From 70e80067760ab24dff5fbc7d8e5f49194378262e Mon Sep 17 00:00:00 2001
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 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Thu, 10 Nov 2022 15:54:31 +0300
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---
 ChangeLog.md               | 130 ++++++++++++++++++-------------------
 README.md                  |   6 +-
 TODO.md                    |  22 +++----
 mdbx.h++                   |   2 +-
 src/core.c                 |  20 +++---
 src/mdbx_chk.c             |   2 +-
 src/osal.c                 |  12 ++--
 test/valgrind_suppress.txt |   2 +-
 8 files changed, 98 insertions(+), 98 deletions(-)

diff --git a/ChangeLog.md b/ChangeLog.md
index fda8ce33..d162ba94 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -353,7 +353,7 @@ New:
  - Support build by MinGW' make from command line without CMake.
  - Added `mdbx::filesystem` C++ API namespace that corresponds to `std::filesystem` or `std::experimental::filesystem`.
  - Created [website](https://libmdbx.dqdkfa.ru/) for online auto-generated documentation.
- - Used `https://web.archive.org/web/20220414235959/https://github.com/erthink/` for dead (or temporarily lost) resources deleted by ~~Github~~.
+ - Used `https://web.archive.org/web/https://github.com/erthink/libmdbx` for dead (or temporarily lost) resources deleted by ~~Github~~.
  - Added `--loglevel=` command-line option to the `mdbx_test` tool.
  - Added few fast smoke-like tests into CMake builds.
 
@@ -393,7 +393,7 @@ Minors:
 
 The stable release with the complete workaround for an incoherence flaw of Linux unified page/buffer cache.
 Nonetheless the cause for this trouble may be an issue of Intel CPU cache/MESI.
-See [issue#269](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for more information.
+See [issue#269](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269) for more information.
 
 Acknowledgements:
 
@@ -402,8 +402,8 @@ Acknowledgements:
 
 Fixes:
 
- - [Added complete workaround](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for an incoherence flaw of Linux unified page/buffer cache.
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/272) cursor reusing for read-only transactions.
+ - [Added complete workaround](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269) for an incoherence flaw of Linux unified page/buffer cache.
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/272) cursor reusing for read-only transactions.
  - Fixed copy&paste typo inside `mdbx::cursor::find_multivalue()`.
 
 Minors:
@@ -418,7 +418,7 @@ Minors:
 ## v0.11.5 at 2022-02-23
 
 The release with the temporary hotfix for a flaw of Linux unified page/buffer cache.
-See [issue#269](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for more information.
+See [issue#269](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269) for more information.
 
 Acknowledgements:
 
@@ -428,10 +428,10 @@ Acknowledgements:
 
 Fixes:
 
- - [Added hotfix](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/269) for a flaw of Linux unified page/buffer cache.
- - [Fixed/Reworked](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/270) move-assignment operators for "managed" classes of C++ API.
+ - [Added hotfix](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269) for a flaw of Linux unified page/buffer cache.
+ - [Fixed/Reworked](https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/270) move-assignment operators for "managed" classes of C++ API.
  - Fixed potential `SIGSEGV` while open DB with overrided non-default page size.
- - [Made](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/267) `mdbx_env_open()` idempotence in failure cases.
+ - [Made](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/267) `mdbx_env_open()` idempotence in failure cases.
  - Refined/Fixed pages reservation inside `mdbx_update_gc()` to avoid non-reclamation in a rare cases.
  - Fixed typo in a retained space calculation for the hsr-callback.
 
@@ -464,15 +464,15 @@ New features, extensions and improvements:
 Fixes:
 
  - Fixed handling `MDBX_opt_rp_augment_limit` for GC's records from huge transactions (Erigon/Akula/Ethereum).
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/258) build on Android (avoid including `sys/sem.h`).
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/261) missing copy assignment operator for `mdbx::move_result`.
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/258) build on Android (avoid including `sys/sem.h`).
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/261) missing copy assignment operator for `mdbx::move_result`.
  - Fixed missing `&` for `std::ostream &operator<<()` overloads.
  - Fixed unexpected `EXDEV` (Cross-device link) error from `mdbx_env_copy()`.
  - Fixed base64 encoding/decoding bugs in auxillary C++ API.
  - Fixed overflow of `pgno_t` during checking PNL on 64-bit platforms.
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/260) excessive PNL checking after sort for spilling.
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/260) excessive PNL checking after sort for spilling.
  - Reworked checking `MAX_PAGENO` and DB upper-size geometry limit.
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/265) build for some combinations of versions of  MSVC and Windows SDK.
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/265) build for some combinations of versions of  MSVC and Windows SDK.
 
 Minors:
 
@@ -499,10 +499,10 @@ Acknowledgements:
 
 New features, extensions and improvements:
 
- - [Added](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/236) `mdbx_cursor_get_batch()`.
- - [Added](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/250) `MDBX_SET_UPPERBOUND`.
+ - [Added](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/236) `mdbx_cursor_get_batch()`.
+ - [Added](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/250) `MDBX_SET_UPPERBOUND`.
  - C++ API is finalized now.
- - The GC update stage has been [significantly speeded](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/254) when fixing huge Erigon's transactions (Ethereum ecosystem).
+ - The GC update stage has been [significantly speeded](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/254) when fixing huge Erigon's transactions (Ethereum ecosystem).
 
 Fixes:
 
@@ -513,12 +513,12 @@ Minors:
 
  - Fixed returning `MDBX_RESULT_TRUE` (unexpected -1) from `mdbx_env_set_option()`.
  - Added `mdbx_env_get_syncbytes()` and `mdbx_env_get_syncperiod()`.
- - [Clarified](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/249) description of `MDBX_INTEGERKEY`.
+ - [Clarified](https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/249) description of `MDBX_INTEGERKEY`.
  - Reworked/simplified `mdbx_env_sync_internal()`.
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/248) extra assertion inside `mdbx_cursor_put()` for `MDBX_DUPFIXED` cases.
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/248) extra assertion inside `mdbx_cursor_put()` for `MDBX_DUPFIXED` cases.
  - Avoiding extra looping inside `mdbx_env_info_ex()`.
  - Explicitly enabled core dumps from stochastic tests scripts on Linux.
- - [Fixed](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/253) `mdbx_override_meta()` to avoid false-positive assertions.
+ - [Fixed](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/253) `mdbx_override_meta()` to avoid false-positive assertions.
  - For compatibility reverted returning `MDBX_ENODATA`for some cases.
 
 
@@ -534,10 +534,10 @@ Acknowledgements:
 
 Fixes:
 
- - [Fixed compilation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/239) with `devtoolset-9` on CentOS/RHEL 7.
- - [Fixed unexpected `MDBX_PROBLEM` error](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/242) because of update an obsolete meta-page.
- - [Fixed returning `MDBX_NOTFOUND` error](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/243) in case an inexact value found for `MDBX_GET_BOTH` operation.
- - [Fixed compilation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/245) without kernel/libc-devel headers.
+ - [Fixed compilation](https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/239) with `devtoolset-9` on CentOS/RHEL 7.
+ - [Fixed unexpected `MDBX_PROBLEM` error](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/242) because of update an obsolete meta-page.
+ - [Fixed returning `MDBX_NOTFOUND` error](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/243) in case an inexact value found for `MDBX_GET_BOTH` operation.
+ - [Fixed compilation](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/245) without kernel/libc-devel headers.
 
 Minors:
 
@@ -554,7 +554,7 @@ Minors:
 
 The database format signature has been changed to prevent
 forward-interoperability with an previous releases, which may lead to a
-[false positive diagnosis of database corruption](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/238)
+[false positive diagnosis of database corruption](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/238)
 due to flaws of an old library versions.
 
 This change is mostly invisible:
@@ -606,7 +606,7 @@ Acknowledgements:
 Fixes:
 
  - Fixed possibility of looping update GC during transaction commit (no public issue since the problem was discovered inside [Positive Technologies](https://www.ptsecurity.ru)).
- - Fixed `#pragma pack` to avoid provoking some compilers to generate code with [unaligned access](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/235).
+ - Fixed `#pragma pack` to avoid provoking some compilers to generate code with [unaligned access](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/235).
  - Fixed `noexcept` for potentially throwing `txn::put()` of C++ API.
 
 Minors:
@@ -632,7 +632,7 @@ Extensions and improvements:
 
 Fixes:
 
- - Always setup `madvise` while opening DB (fixes https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/231).
+ - Always setup `madvise` while opening DB (fixes https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/231).
  - Fixed checking legacy `P_DIRTY` flag (`0x10`) for nested/sub-pages.
 
 Minors:
@@ -653,11 +653,11 @@ Acknowledgements:
  - [Lionel Debroux](https://github.com/debrouxl) for fuzzing tests and reporting bugs.
  - [Sergey Fedotov](https://github.com/SergeyFromHell/) for [`node-mdbx` NodeJS bindings](https://www.npmjs.com/package/node-mdbx).
  - [Kris Zyp](https://github.com/kriszyp) for [`lmdbx-store` NodeJS bindings](https://github.com/kriszyp/lmdbx-store).
- - [Noel Kuntze](https://github.com/Thermi) for [draft Python bindings](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/commits/python-bindings).
+ - [Noel Kuntze](https://github.com/Thermi) for [draft Python bindings](https://web.archive.org/web/https://github.com/erthink/libmdbx/commits/python-bindings).
 
 New features, extensions and improvements:
 
- - [Allow to predefine/override `MDBX_BUILD_TIMESTAMP` for builds reproducibility](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/201).
+ - [Allow to predefine/override `MDBX_BUILD_TIMESTAMP` for builds reproducibility](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/201).
  - Added options support for `long-stochastic` script.
  - Avoided `MDBX_TXN_FULL` error for large transactions when possible.
  - The `MDBX_READERS_LIMIT` increased to `32767`.
@@ -665,7 +665,7 @@ New features, extensions and improvements:
  - Minimized the size of poisoned/unpoisoned regions to avoid Valgrind/ASAN stuck.
  - Added more workarounds for QEMU for testing builds for 32-bit platforms, Alpha and Sparc architectures.
  - `mdbx_chk` now skips iteration & checking of DB' records if corresponding page-tree is corrupted (to avoid `SIGSEGV`, ASAN failures, etc).
- - Added more checks for [rare/fuzzing corruption cases](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/217).
+ - Added more checks for [rare/fuzzing corruption cases](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/217).
 
 Backward compatibility break:
 
@@ -677,18 +677,18 @@ Backward compatibility break:
 Fixes:
 
  - Fixed excess meta-pages checks in case `mdbx_chk` is called to check the DB for a specific meta page and thus could prevent switching to the selected meta page, even if the check passed without errors.
- - Fixed [recursive use of SRW-lock on Windows cause by `MDBX_NOTLS` option](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/203).
- - Fixed [log a warning during a new DB creation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/205).
- - Fixed [false-negative `mdbx_cursor_eof()` result](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/207).
- - Fixed [`make install` with non-GNU `install` utility (OSX, BSD)](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/208).
- - Fixed [installation by `CMake` in special cases by complete use `GNUInstallDirs`'s variables](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/209).
- - Fixed [C++ Buffer issue with `std::string` and alignment](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/191).
+ - Fixed [recursive use of SRW-lock on Windows cause by `MDBX_NOTLS` option](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/203).
+ - Fixed [log a warning during a new DB creation](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/205).
+ - Fixed [false-negative `mdbx_cursor_eof()` result](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/207).
+ - Fixed [`make install` with non-GNU `install` utility (OSX, BSD)](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/208).
+ - Fixed [installation by `CMake` in special cases by complete use `GNUInstallDirs`'s variables](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/209).
+ - Fixed [C++ Buffer issue with `std::string` and alignment](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/191).
  - Fixed `safe64_reset()` for platforms without atomic 64-bit compare-and-swap.
  - Fixed hang/shutdown on big-endian platforms without `__cxa_thread_atexit()`.
- - Fixed [using bad meta-pages if DB was partially/recoverable corrupted](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/217).
+ - Fixed [using bad meta-pages if DB was partially/recoverable corrupted](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/217).
  - Fixed extra `noexcept` for `buffer::&assign_reference()`.
  - Fixed `bootid` generation on Windows for case of change system' time.
- - Fixed [test framework keygen-related issue](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/127).
+ - Fixed [test framework keygen-related issue](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/127).
 
 
 ## v0.10.1 at 2021-06-01
@@ -709,10 +709,10 @@ New features:
 Fixes:
 
  - Fixed minor "foo not used" warnings from modern C++ compilers when building the C++ part of the library.
- - Fixed confusing/messy errors when build library from unfit github's archives (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/197).
+ - Fixed confusing/messy errors when build library from unfit github's archives (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/197).
  - Fixed `#​e​l​s​i​f` typo.
- - Fixed rare unexpected `MDBX_PROBLEM` error during altering data in huge transactions due to wrong spilling/oust of dirty pages (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/195).
- - Re-Fixed WSL1/WSL2 detection with distinguishing (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/97).
+ - Fixed rare unexpected `MDBX_PROBLEM` error during altering data in huge transactions due to wrong spilling/oust of dirty pages (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/195).
+ - Re-Fixed WSL1/WSL2 detection with distinguishing (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/97).
 
 
 ## v0.10.0 at 2021-05-09
@@ -735,7 +735,7 @@ New features:
    and conjointly with the `MDBX_ENV_CHECKPID=0` and `MDBX_TXN_CHECKOWNER=0` options can yield
    up to 30% more performance compared to LMDB.
  - Using float point (exponential quantized) representation for internal 16-bit values
-   of grow step and shrink threshold when huge ones (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/166).
+   of grow step and shrink threshold when huge ones (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/166).
    To minimize the impact on compatibility, only the odd values inside the upper half
    of the range (i.e. 32769..65533) are used for the new representation.
  - Added the `mdbx_drop` similar to LMDB command-line tool to purge or delete (sub)database(s).
@@ -744,7 +744,7 @@ New features:
  - The internal node sizes were refined, resulting in a reduction in large/overflow pages in some use cases
    and a slight increase in limits for a keys size to ≈½ of page size.
  - Added to `mdbx_chk` output number of keys/items on pages.
- - Added explicit `install-strip` and `install-no-strip` targets to the `Makefile` (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/180).
+ - Added explicit `install-strip` and `install-no-strip` targets to the `Makefile` (https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/180).
  - Major rework page splitting (af9b7b560505684249b76730997f9e00614b8113) for
      - An "auto-appending" feature upon insertion for both ascending and
        descending key sequences. As a result, the optimality of page filling
@@ -752,7 +752,7 @@ New features:
        inserting ordered sequences of keys,
      - A "splitting at middle" to make page tree more balanced on average.
  - Added `mdbx_get_sysraminfo()` to the API.
- - Added guessing a reasonable maximum DB size for the default upper limit of geometry (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/183).
+ - Added guessing a reasonable maximum DB size for the default upper limit of geometry (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/183).
  - Major rework internal labeling of a dirty pages (958fd5b9479f52f2124ab7e83c6b18b04b0e7dda) for
    a "transparent spilling" feature with the gist to make a dirty pages
    be ready to spilling (writing to a disk) without further altering ones.
@@ -768,7 +768,7 @@ New features:
  - Support `make help` to list available make targets.
  - Silently `make`'s build by default.
  - Preliminary [Python bindings](https://github.com/Thermi/libmdbx/tree/python-bindings) is available now
-   by [Noel Kuntze](https://github.com/Thermi) (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/147).
+   by [Noel Kuntze](https://github.com/Thermi) (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/147).
 
 Backward compatibility break:
 
@@ -783,22 +783,22 @@ Backward compatibility break:
 
 Fixes:
 
- - Fixed performance regression due non-optimal C11 atomics usage (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/160).
- - Fixed "reincarnation" of subDB after it deletion (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/168).
+ - Fixed performance regression due non-optimal C11 atomics usage (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/160).
+ - Fixed "reincarnation" of subDB after it deletion (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/168).
  - Fixed (disallowing) implicit subDB deletion via operations on `@MAIN`'s DBI-handle.
- - Fixed a crash of `mdbx_env_info_ex()` in case of a call for a non-open environment (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/171).
- - Fixed the selecting/adjustment values inside `mdbx_env_set_geometry()` for implicit out-of-range cases (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/170).
- - Fixed `mdbx_env_set_option()` for set initial and limit size of dirty page list ((https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/179).
- - Fixed an unreasonably huge default upper limit for DB geometry (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/183).
+ - Fixed a crash of `mdbx_env_info_ex()` in case of a call for a non-open environment (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/171).
+ - Fixed the selecting/adjustment values inside `mdbx_env_set_geometry()` for implicit out-of-range cases (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/170).
+ - Fixed `mdbx_env_set_option()` for set initial and limit size of dirty page list ((https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/179).
+ - Fixed an unreasonably huge default upper limit for DB geometry (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/183).
  - Fixed `constexpr` specifier for the `slice::invalid()`.
- - Fixed (no)readahead auto-handling (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/164).
+ - Fixed (no)readahead auto-handling (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/164).
  - Fixed non-alloy build for Windows.
  - Switched to using Heap-functions instead of LocalAlloc/LocalFree on Windows.
- - Fixed `mdbx_env_stat_ex()` to returning statistics of the whole environment instead of MainDB only (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/190).
+ - Fixed `mdbx_env_stat_ex()` to returning statistics of the whole environment instead of MainDB only (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/190).
  - Fixed building by GCC 4.8.5 (added workaround for a preprocessor's bug).
  - Fixed building C++ part for iOS <= 13.0 (unavailability of  `std::filesystem::path`).
  - Fixed building for Windows target versions prior to Windows Vista (`WIN32_WINNT < 0x0600`).
- - Fixed building by MinGW for Windows (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/155).
+ - Fixed building by MinGW for Windows (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/155).
 
 
 -------------------------------------------------------------------------------
@@ -821,7 +821,7 @@ Removed options and features:
 New features:
 
  - Package for FreeBSD is available now by Mahlon E. Smith.
- - New API functions to get/set various options (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/128):
+ - New API functions to get/set various options (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/128):
     - the maximum number of named databases for the environment;
     - the maximum number of threads/reader slots;
     - threshold (since the last unsteady commit) to force flush the data buffers to disk;
@@ -834,7 +834,7 @@ New features:
     - maximal part of the dirty pages may be spilled when necessary;
     - minimal part of the dirty pages should be spilled when necessary;
     - how much of the parent transaction dirty pages will be spilled while start each child transaction;
- - Unlimited/Dynamic size of retired and dirty page lists (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/123).
+ - Unlimited/Dynamic size of retired and dirty page lists (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/123).
  - Added `-p` option (purge subDB before loading) to `mdbx_load` tool.
  - Reworked spilling of large transaction and committing of nested transactions:
     - page spilling code reworked to avoid the flaws and bugs inherited from LMDB;
@@ -844,22 +844,22 @@ New features:
  - Added `MDBX_ENABLE_REFUND` and `MDBX_PNL_ASCENDING` internal/advanced build options.
  - Added `mdbx_default_pagesize()` function.
  - Better support architectures with a weak/relaxed memory consistency model (ARM, AARCH64, PPC, MIPS, RISC-V, etc) by means [C11 atomics](https://en.cppreference.com/w/c/atomic).
- - Speed up page number lists and dirty page lists (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/132).
+ - Speed up page number lists and dirty page lists (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/132).
  - Added `LIBMDBX_NO_EXPORTS_LEGACY_API` build option.
 
 Fixes:
 
- - Fixed missing cleanup (null assigned) in the C++ commit/abort (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/pull/143).
+ - Fixed missing cleanup (null assigned) in the C++ commit/abort (https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/143).
  - Fixed `mdbx_realloc()` for case of nullptr and `MDBX_WITHOUT_MSVC_CRT=ON` for Windows.
- - Fixed the possibility to use invalid and renewed (closed & re-opened, dropped & re-created) DBI-handles (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/146).
- - Fixed 4-byte aligned access to 64-bit integers, including access to the `bootid` meta-page's field (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/153).
+ - Fixed the possibility to use invalid and renewed (closed & re-opened, dropped & re-created) DBI-handles (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/146).
+ - Fixed 4-byte aligned access to 64-bit integers, including access to the `bootid` meta-page's field (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/153).
  - Fixed minor/potential memory leak during page flushing and unspilling.
  - Fixed handling states of cursors's and subDBs's for nested transactions.
  - Fixed page leak in extra rare case the list of retired pages changed during update GC on transaction commit.
- - Fixed assertions to avoid false-positive UB detection by CLANG/LLVM (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/153).
- - Fixed `MDBX_TXN_FULL` and regressive `MDBX_KEYEXIST` during large transaction commit with `MDBX_LIFORECLAIM` (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/123).
+ - Fixed assertions to avoid false-positive UB detection by CLANG/LLVM (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/153).
+ - Fixed `MDBX_TXN_FULL` and regressive `MDBX_KEYEXIST` during large transaction commit with `MDBX_LIFORECLAIM` (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/123).
  - Fixed auto-recovery (`weak->steady` with the same boot-id) when Database size at last weak checkpoint is large than at last steady checkpoint.
- - Fixed operation on systems with unusual small/large page size, including PowerPC (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/157).
+ - Fixed operation on systems with unusual small/large page size, including PowerPC (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/157).
 
 
 ## v0.9.2 at 2020-11-27
@@ -897,11 +897,11 @@ Fixes:
  - Fixed copy&paste typos.
  - Fixed minor false-positive GCC warning.
  - Added workaround for broken `DEFINE_ENUM_FLAG_OPERATORS` from Windows SDK.
- - Fixed cursor state after multimap/dupsort repeated deletes (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/121).
+ - Fixed cursor state after multimap/dupsort repeated deletes (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/121).
  - Added `SIGPIPE` suppression for internal thread during `mdbx_env_copy()`.
- - Fixed extra-rare `MDBX_KEY_EXIST` error during `mdbx_commit()` (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/131).
- - Fixed spilled pages checking (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/126).
- - Fixed `mdbx_load` for 'plain text' and without `-s name` cases (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/136).
+ - Fixed extra-rare `MDBX_KEY_EXIST` error during `mdbx_commit()` (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/131).
+ - Fixed spilled pages checking (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/126).
+ - Fixed `mdbx_load` for 'plain text' and without `-s name` cases (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/136).
  - Fixed save/restore/commit of cursors for nested transactions.
  - Fixed cursors state in rare/special cases (move next beyond end-of-data, after deletion and so on).
  - Added workaround for MSVC 19.28 (Visual Studio 16.8) (but may still hang during compilation).
diff --git a/README.md b/README.md
index 3f78a26b..d25189b8 100644
--- a/README.md
+++ b/README.md
@@ -353,7 +353,7 @@ named mutexes are used.
 Historically, _libmdbx_ is a deeply revised and extended descendant of the
 [Lightning Memory-Mapped Database](https://en.wikipedia.org/wiki/Lightning_Memory-Mapped_Database).
 At first the development was carried out within the
-[ReOpenLDAP](https://web.archive.org/web/20220414235959/https://github.com/erthink/ReOpenLDAP) project. About a
+[ReOpenLDAP](https://web.archive.org/web/https://github.com/erthink/ReOpenLDAP) project. About a
 year later _libmdbx_ was separated into a standalone project, which was
 [presented at Highload++ 2015
 conference](http://www.highload.ru/2015/abstracts/1831.html).
@@ -435,7 +435,7 @@ unexpected or broken down.
 
 ### Testing
 The amalgamated source code does not contain any tests for or several reasons.
-Please read [the explanation](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/214#issuecomment-870717981) and don't ask to alter this.
+Please read [the explanation](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/214#issuecomment-870717981) and don't ask to alter this.
 So for testing _libmdbx_ itself you need a full source code, i.e. the clone of a git repository, there is no option.
 
 The full source code of _libmdbx_ has a [`test` subdirectory](https://gitflic.ru/project/erthink/libmdbx/tree/master/test) with minimalistic test "framework".
@@ -618,7 +618,7 @@ Bindings
 | Rust    | [libmdbx-rs](https://github.com/vorot93/libmdbx-rs)   | [Artem Vorotnikov](https://github.com/vorot93) |
 | Rust    | [mdbx](https://crates.io/crates/mdbx)                 | [gcxfd](https://github.com/gcxfd) |
 | Java    | [mdbxjni](https://github.com/castortech/mdbxjni)      | [Castor Technologies](https://castortech.com/) |
-| Python (draft)  | [python-bindings](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/commits/python-bindings) branch | [Noel Kuntze](https://github.com/Thermi)
+| Python (draft)  | [python-bindings](https://web.archive.org/web/https://github.com/erthink/libmdbx/commits/python-bindings) branch | [Noel Kuntze](https://github.com/Thermi)
 | .NET (obsolete) | [mdbx.NET](https://github.com/wangjia184/mdbx.NET) | [Jerry Wang](https://github.com/wangjia184) |
 
 <!-- section-end -->
diff --git a/TODO.md b/TODO.md
index 66b0fff9..70016f38 100644
--- a/TODO.md
+++ b/TODO.md
@@ -11,19 +11,19 @@ For the same reason ~~Github~~ is blacklisted forever.
 
 So currently most of the links are broken due to noted malicious ~~Github~~ sabotage.
 
- - [Move most of `mdbx_chk` functional to the library API](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/204).
- - [Replace SRW-lock on Windows to allow shrink DB with `MDBX_NOTLS` option](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/210).
- - [More flexible support of asynchronous runtime/framework(s)](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/200).
- - [Migration guide from LMDB to MDBX](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/199).
- - [Support for RAW devices](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/124).
- - [Support MessagePack for Keys & Values](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/115).
- - [Engage new terminology](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/137).
+ - [Move most of `mdbx_chk` functional to the library API](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/204).
+ - [Replace SRW-lock on Windows to allow shrink DB with `MDBX_NOTLS` option](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/210).
+ - [More flexible support of asynchronous runtime/framework(s)](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/200).
+ - [Migration guide from LMDB to MDBX](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/199).
+ - [Support for RAW devices](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/124).
+ - [Support MessagePack for Keys & Values](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/115).
+ - [Engage new terminology](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/137).
  - Packages for [Astra Linux](https://astralinux.ru/), [ALT Linux](https://www.altlinux.org/), [ROSA Linux](https://www.rosalinux.ru/), etc.
 
 Done
 ----
 
- - [Simple careful mode for working with corrupted DB](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/223).
- - [Engage an "overlapped I/O" on Windows](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/224).
- - [Large/Overflow pages accounting for dirty-room](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/192).
- - [Get rid of dirty-pages list in MDBX_WRITEMAP mode](https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/193).
+ - [Simple careful mode for working with corrupted DB](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/223).
+ - [Engage an "overlapped I/O" on Windows](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/224).
+ - [Large/Overflow pages accounting for dirty-room](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/192).
+ - [Get rid of dirty-pages list in MDBX_WRITEMAP mode](https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/193).
diff --git a/mdbx.h++ b/mdbx.h++
index dddc1880..bc3e1802 100644
--- a/mdbx.h++
+++ b/mdbx.h++
@@ -287,7 +287,7 @@ namespace mdbx {
 // To enable all kinds of an compiler optimizations we use a byte-like type
 // that don't presumes aliases for pointers as does the `char` type and its
 // derivatives/typedefs.
-// Please see todo4recovery://erased_by_github/libmdbx/issues/263
+// Please see https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/263
 // for reasoning of the use of `char8_t` type and switching to `__restrict__`.
 using byte = char8_t;
 #else
diff --git a/src/core.c b/src/core.c
index 494da680..00f1b46d 100644
--- a/src/core.c
+++ b/src/core.c
@@ -4443,7 +4443,7 @@ static void iov_callback4dirtypages(iov_ctx_t *ctx, size_t offset, void *data,
     osal_flush_incoherent_mmap(env->me_map + offset, bytes, env->me_os_psize);
     const MDBX_page *const rp = (const MDBX_page *)(env->me_map + offset);
     /* check with timeout as the workaround
-     * for todo4recovery://erased_by_github/libmdbx/issues/269 */
+     * for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269 */
     if (unlikely(memcmp(wp, rp, bytes))) {
       ctx->coherency_timestamp = 0;
       WARNING("catch delayed/non-arrived page %" PRIaPGNO " %s", wp->mp_pgno,
@@ -6598,7 +6598,7 @@ static __inline bool is_gc_usable(const MDBX_txn *txn) {
     return false;
 
   /* avoid (recursive) search inside empty tree and while tree is
-     updating, todo4recovery://erased_by_github/libmdbx/issues/31 */
+     updating, https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/31 */
   if (txn->mt_dbs[FREE_DBI].md_entries == 0)
     return false;
 
@@ -6797,7 +6797,7 @@ static pgr_t page_alloc_slowpath(const MDBX_cursor *mc, const size_t num,
       /* Stop reclaiming to avoid large/overflow the page list.
        * This is a rare case while search for a continuously multi-page region
        * in a large database.
-       * todo4recovery://erased_by_github/libmdbx/issues/123 */
+       * https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/123 */
       NOTICE("stop reclaiming to avoid PNL overflow: %zu (current) + %zu "
              "(chunk) -> %zu",
              MDBX_PNL_GETSIZE(txn->tw.relist), gc_len,
@@ -7972,7 +7972,7 @@ __cold int mdbx_thread_unregister(const MDBX_env *env) {
   return MDBX_SUCCESS;
 }
 
-/* check against todo4recovery://erased_by_github/libmdbx/issues/269 */
+/* check against https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269 */
 static bool coherency_check(const MDBX_env *env, const txnid_t txnid,
                             const volatile MDBX_db *dbs,
                             const volatile MDBX_meta *meta, bool report) {
@@ -8073,7 +8073,7 @@ __cold static int coherency_timeout(uint64_t *timestamp, pgno_t pgno) {
 }
 
 /* check with timeout as the workaround
- * for todo4recovery://erased_by_github/libmdbx/issues/269 */
+ * for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269 */
 __hot static int coherency_check_readed(const MDBX_env *env,
                                         const txnid_t txnid,
                                         const volatile MDBX_db *dbs,
@@ -8310,7 +8310,7 @@ static int txn_renew(MDBX_txn *txn, const unsigned flags) {
     const meta_ptr_t head = meta_recent(env, &txn->tw.troika);
     uint64_t timestamp = 0;
     while (
-        "workaround for todo4recovery://erased_by_github/libmdbx/issues/269") {
+        "workaround for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269") {
       rc = coherency_check_readed(env, head.txnid, head.ptr_v->mm_dbs,
                                   head.ptr_v, &timestamp);
       if (likely(rc == MDBX_SUCCESS))
@@ -11953,7 +11953,7 @@ static int sync_locked(MDBX_env *env, unsigned flags, MDBX_meta *const pending,
   }
 
   uint64_t timestamp = 0;
-  while ("workaround for todo4recovery://erased_by_github/libmdbx/issues/269") {
+  while ("workaround for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269") {
     rc =
         coherency_check_written(env, pending->unsafe_txnid, target, &timestamp);
     if (likely(rc == MDBX_SUCCESS))
@@ -12475,7 +12475,7 @@ mdbx_env_set_geometry(MDBX_env *env, intptr_t size_lower, intptr_t size_now,
 
       uint64_t timestamp = 0;
       while ("workaround for "
-             "todo4recovery://erased_by_github/libmdbx/issues/269") {
+             "https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269") {
         meta = *head.ptr_c;
         rc = coherency_check_readed(env, head.txnid, meta.mm_dbs, &meta,
                                     &timestamp);
@@ -13818,7 +13818,7 @@ __cold int mdbx_env_openW(MDBX_env *env, const wchar_t *pathname,
   } else {
 #if MDBX_MMAP_INCOHERENT_FILE_WRITE
     /* Temporary `workaround` for OpenBSD kernel's flaw.
-     * See todo4recovery://erased_by_github/libmdbx/issues/67 */
+     * See https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/67 */
     if ((flags & MDBX_WRITEMAP) == 0) {
       if (flags & MDBX_ACCEDE)
         flags |= MDBX_WRITEMAP;
@@ -21169,7 +21169,7 @@ __cold static int fetch_envinfo_ex(const MDBX_env *env, const MDBX_txn *txn,
   const size_t size_before_pgop_stat = offsetof(MDBX_envinfo, mi_pgop_stat);
 
   /* is the environment open?
-   * (todo4recovery://erased_by_github/libmdbx/issues/171) */
+   * (https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/171) */
   if (unlikely(!env->me_map)) {
     /* environment not yet opened */
 #if 1
diff --git a/src/mdbx_chk.c b/src/mdbx_chk.c
index 311695c8..57ea1631 100644
--- a/src/mdbx_chk.c
+++ b/src/mdbx_chk.c
@@ -1171,7 +1171,7 @@ int main(int argc, char *argv[]) {
       envflags &= ~MDBX_RDONLY;
 #if MDBX_MMAP_INCOHERENT_FILE_WRITE
       /* Temporary `workaround` for OpenBSD kernel's flaw.
-       * See todo4recovery://erased_by_github/libmdbx/issues/67 */
+       * See https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/67 */
       envflags |= MDBX_WRITEMAP;
 #endif /* MDBX_MMAP_INCOHERENT_FILE_WRITE */
       break;
diff --git a/src/osal.c b/src/osal.c
index 494290a2..71046f6c 100644
--- a/src/osal.c
+++ b/src/osal.c
@@ -1311,7 +1311,7 @@ MDBX_INTERNAL_FUNC int osal_openfile(const enum osal_openfile_purpose purpose,
   flags |= O_CLOEXEC;
 #endif /* O_CLOEXEC */
 
-  /* Safeguard for todo4recovery://erased_by_github/libmdbx/issues/144 */
+  /* Safeguard for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/144 */
 #if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2
   int stub_fd0 = -1, stub_fd1 = -1, stub_fd2 = -1;
   static const char dev_null[] = "/dev/null";
@@ -1349,7 +1349,7 @@ MDBX_INTERNAL_FUNC int osal_openfile(const enum osal_openfile_purpose purpose,
       errno = EACCES /* restore errno if file exists */;
   }
 
-  /* Safeguard for todo4recovery://erased_by_github/libmdbx/issues/144 */
+  /* Safeguard for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/144 */
 #if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2
   if (*fd == STDIN_FILENO) {
     WARNING("Got STD%s_FILENO/%d, avoid using it by dup(fd)", "IN",
@@ -2192,7 +2192,7 @@ MDBX_INTERNAL_FUNC int osal_munmap(osal_mmap_t *map) {
   VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
   /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
    * when this memory will re-used by malloc or another mmapping.
-   * See todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
+   * See https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/93#issuecomment-613687203
    */
   MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address,
                                    (map->filesize && map->filesize < map->limit)
@@ -2271,7 +2271,7 @@ MDBX_INTERNAL_FUNC int osal_mresize(const int flags, osal_mmap_t *map,
 
   /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
    * when this memory will re-used by malloc or another mmapping.
-   * See todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
+   * See https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/93#issuecomment-613687203
    */
   MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address, map->limit);
   status = NtUnmapViewOfSection(GetCurrentProcess(), map->address);
@@ -2552,7 +2552,7 @@ retry_mapview:;
         /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
          * when this memory will re-used by malloc or another mmapping.
          * See
-         * todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
+         * https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/93#issuecomment-613687203
          */
         MDBX_ASAN_UNPOISON_MEMORY_REGION(
             map->address,
@@ -2574,7 +2574,7 @@ retry_mapview:;
     /* Unpoisoning is required for ASAN to avoid false-positive diagnostic
      * when this memory will re-used by malloc or another mmapping.
      * See
-     * todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
+     * https://web.archive.org/web/https://github.com/erthink/libmdbx/pull/93#issuecomment-613687203
      */
     MDBX_ASAN_UNPOISON_MEMORY_REGION(
         map->address, (map->current < map->limit) ? map->current : map->limit);
diff --git a/test/valgrind_suppress.txt b/test/valgrind_suppress.txt
index 2a95ff0f..2e67a56b 100644
--- a/test/valgrind_suppress.txt
+++ b/test/valgrind_suppress.txt
@@ -31,7 +31,7 @@
    fun:wipe_steady*
 }
 
-# memcmp() inside iov_write() as workaround for todo4recovery://erased_by_github/libmdbx/issues/269
+# memcmp() inside iov_write() as workaround for https://web.archive.org/web/https://github.com/erthink/libmdbx/issues/269
 {
    iov-pagecheck-1
    Memcheck:Cond