diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt index 59f7c843..44640677 100644 --- a/.github/actions/spelling/expect.txt +++ b/.github/actions/spelling/expect.txt @@ -16,6 +16,7 @@ Affero ahupowerdns ahutils ailfast +Akhunov Aleksey alevel alexey @@ -63,6 +64,7 @@ asm asprintf aspx assection +AstraLinux atal atexit atfork @@ -274,6 +276,7 @@ dbx dcache dcmp dcount +dda DDBI ddfd ddl @@ -1278,6 +1281,7 @@ PRIa PRId PRIi printf +Prioritization PRIu prng prno @@ -1369,6 +1373,7 @@ realloc REALMEM REALPATH realtime +Rebuffo RECO redis reedom diff --git a/ChangeLog.md b/ChangeLog.md index 68c9cfb1..49370961 100644 --- a/ChangeLog.md +++ b/ChangeLog.md @@ -1,21 +1,30 @@ ChangeLog --------- -## v0.9.4 (in development) scheduled at 2021-03-18 +## v0.9.5 (in development) TODO: - - Engage new terminology (https://github.com/erthink/libmdbx/issues/137). - - Resolve few TODOs (https://github.com/erthink/libmdbx/issues/124, https://github.com/erthink/libmdbx/issues/127, - https://github.com/erthink/libmdbx/issues/115). - Finalize C++ API (few typos and trivia bugs are still likely for now). - - Packages for [ROSA Linux](https://www.rosalinux.ru/), [ALT Linux](https://www.altlinux.org/), Fedora/RHEL, Debian/Ubuntu. + - [Support for RAW devices](https://github.com/erthink/libmdbx/issues/124). + - [Fix test framework issue](https://github.com/erthink/libmdbx/issues/127). + - [Support MessagePack for Keys & Values](https://github.com/erthink/libmdbx/issues/115). + - [Engage new terminology](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/), Fedora/RHEL, Debian/Ubuntu. + +## v0.9.4 scheduled at 2021-05-09 + +TODO: + +- [Documentation issue](https://github.com/erthink/libmdbx/issues/177). Acknowledgements: - [Mahlon E. Smith](https://github.com/mahlonsmith) for [Ruby bindings](https://rubygems.org/gems/mdbx/). - - [Alex Sharov](https://github.com/AskAlexSharov) for [mdbx-go](https://github.com/torquem-ch/mdbx-go) and for bug reporting. + - [Alex Sharov](https://github.com/AskAlexSharov) for [mdbx-go](https://github.com/torquem-ch/mdbx-go) , bug reporting and testing. - [Artem Vorotnikov](https://github.com/vorot93) for bug reporting and PR. + - [Paolo Rebuffo](https://www.linkedin.com/in/paolo-rebuffo-8255766/), [Alexey Akhunov](https://github.com/AlexeyAkhunov) and Mark Grosberg for donations. + - [Noel Kuntze](https://github.com/Thermi) for preliminary [Python bindings](https://github.com/Thermi/libmdbx/tree/python-bindings) New features: @@ -31,13 +40,38 @@ New features: - Added the `mdbx_drop` similar to LMDB command-line tool to purge or delete (sub)database(s). - [Ruby bindings](https://rubygems.org/gems/mdbx/) is available now by [Mahlon E. Smith](https://github.com/mahlonsmith). - Added `MDBX_ENABLE_MADVISE` build option which controls the use of POSIX `madvise()` hints and friends. - - 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. + - 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://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 + increases significantly (more densely, less slackness) while + 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://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. + Thus in the `MDBX_WRITEMAP` mode the OS kernel able to oust dirty pages + to DB file without further penalty during transaction commit. + As a result, page swapping and I/O could be significantly reduced during extra large transactions and/or lack of memory. + - Minimized reading leaf-pages during dropping subDB(s) and nested trees. + - Major rework a spilling of dirty pages to support [LRU](https://en.wikipedia.org/wiki/Cache_replacement_policies#Least_recently_used_(LRU)) policy and prioritization for a large/overflow pages. + - Statistics of page operations (split, merge, copy, spill, etc) now available through `mdbx_env_info_ex()`. + - Auto-setup limit for length of dirty pages list (`MDBX_opt_txn_dp_limit` option). - Support `make options` to list available build options. - 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://github.com/erthink/libmdbx/issues/147). Backward compatibility break: - The `MDBX_AVOID_CRT` build option was renamed to `MDBX_WITHOUT_MSVC_CRT`. + This option is only relevant when building for Windows. + - The `mdbx_env_stat()` always, and `mdbx_env_stat_ex()` when called with the zeroed transaction parameter, now internally start temporary read transaction and thus may returns `MDBX_BAD_RSLOT` error. + So, just never use deprecated `mdbx_env_stat()' and call `mdbx_env_stat_ex()` with transaction parameter. Fixes: @@ -46,7 +80,13 @@ Fixes: - 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://github.com/erthink/libmdbx/issues/171). - Fixed the selecting/adjustment values inside `mdbx_env_set_geometry()` for implicit out-of-range cases (https://github.com/erthink/libmdbx/issues/170). - + - Fixed `mdbx_env_set_option()` for set initial and limit size of dirty page list ((https://github.com/erthink/libmdbx/issues/179). + - Fixed an unreasonably huge default upper limit for DB geometry (https://github.com/erthink/libmdbx/issues/183). + - Fixed `constexpr` specifier for the `slice::invalid()`. + - Fixed (no)readahead auto-handling (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://github.com/erthink/libmdbx/issues/190). ## v0.9.3 at 2021-02-02