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81 Commits

Author SHA1 Message Date
Leo Yuriev
72557af2b5 mdbx: HNY! 
Change-Id: I2a91b986964d96bb3e5f848e3c17408bd7745866
 2018-02-04 13:10:54 +03:00
Leo Yuriev
6a0ff097ee mdbx: immediately share dbi-handles for present TBLs (major). 
Change-Id: I75c998e06b3ccc25bd22ef389d119052d524d70b
 2018-02-04 12:59:47 +03:00
Leo Yuriev
5cfec7a832 mdbx: workaround for Windows LockFileEx/WriteFile bug. 
This resolves https://github.com/leo-yuriev/libmdbx/issues/25
 2018-01-31 15:26:44 +03:00
Leo Yuriev
30bd7d3078 mdbx: shrinking memory-mapping for Windows (initial). 
Change-Id: I3c3c2df0747c788ea36d7764c1e8139098ca62be
 2018-01-08 17:47:41 +03:00
Leo Yuriev
fc1bbf3a4b mdbx: disable 'unreachable code' for MSVC. 
Change-Id: I4f9887b557885cb9a3829d19a56d332c76656cf8
 2017-10-29 03:23:39 +03:00
Leo Yuriev
1a27e40701 mdbx: Merge branch 'fix-after-txntry'. 2017-10-27 14:17:43 +03:00
Leo Yuriev
b6f14780e3 mdbx: fix performance degradation in the absence of readers. 
Change-Id: I59a51b61918463e68d3e0490c715f4dcc9ecb788
 2017-10-27 13:36:10 +03:00
Leo Yuriev
17b8e48bf4 mdbx: cleanup after last pull-request. 
Cleanup after 4e40af60e74143aedaa8d295f0f33a3c892a1c9b (Merge pull request #20 from rouzier/feature/txn_try).
 2017-10-26 21:49:38 +03:00
James Rouzier
7c466e53f0 Add the ability to not block when opening a write transaction 2017-10-25 19:41:28 -04:00
Leo Yuriev
b8b3ba8e91 mdbx: provide configurable ascending/descending sort-order for pgno-lists. 
Change-Id: I3134c100880ff28bb0aaf46ed91affc9f6347110
 2017-07-27 16:57:52 +03:00
Leo Yuriev
552b759878 mdbx: refine pgno-lists. 
Change-Id: Id38e4aff508437210d4c0e63962067dfe518eb31
 2017-07-27 16:53:42 +03:00
Leo Yuriev
88ca23caa5 mdbx: misc refines (minor). 
Change-Id: Ia58e2d75e320bbd47dd352e082cf6f41afde075f
 2017-07-26 12:43:54 +03:00
Leo Yuriev
1dab822324 mdbx: growth/shrink datafile with alignment. 
Change-Id: I46deb885654d2bb1d164009159c9364567ab88a9
 2017-07-26 12:43:52 +03:00
Leo Yuriev
4f06a38a50 mdbx: use saturated pgno_add() to avoid overflows. 
Change-Id: I70000a86a69c9b3399d0a2c345d57ca1908f2881
 2017-07-26 12:41:52 +03:00
Leo Yuriev
ad48fd54fb mdbx: minor refine freelist_save(). 
Change-Id: Ifed9b8d363d45d24c44c1b0a803dad34aada96d3
 2017-07-26 12:09:57 +03:00
Leo Yuriev
242baf761f mdbx: fix/rework shrinking, add MDBX_SHRINK_ALLOWED. 
Change-Id: I014440850aa4be927843aa2a6a268794a4da9b2a
 2017-07-21 13:55:21 +03:00
Leo Yuriev
17e8429a29 mdbx: rework mmap-functions for osal. 
- add 'length' and 'current' fields to mmap-object;
 - drop mdbx_mremap();
 - do remap on-demand inside mdbx_mresize();
 - add mdbx_mapresize() which re-creates Valgrind's region.
 - call resize on txn-begin.

Change-Id: I82780f92c4947804e3f14fb7cb71ee655382f9bb
 2017-07-19 14:13:31 +03:00
Leo Yuriev
455de97d36 mdbx: rework using of mdbx_mmap_t and mdbx_msync(). 2017-07-12 03:31:20 +03:00
Leo Yuriev
3c5ae4cc9c mdbx: disable C4548 as workaround for buggy WinSDK 10.0.10240.0 2017-07-03 12:50:48 +03:00
Leo Yuriev
78ae12aa10 mdbx: fix MSVC 'padding' warnings, minor refine fields ordering. 2017-07-03 11:41:24 +03:00
Leo Yuriev
1d702aa94f mdbx: more warning control for MSVC. 2017-07-03 06:45:41 +03:00
Leonid Yuriev
3e6a672286 mdbx: fix MSVC warnings, add uint16-range-asserts. 
Change-Id: Ie67a728035eeae250efbf962270b5c17c974db23
 2017-07-03 04:41:00 +03:00
Leo Yuriev
186d2ee065 mdbx: add 'mti_reader_finished_flag' for speedup find_oldesd(). 
Change-Id: I4a2c8b80efad0cfc12918969125d258043cbffba
 2017-06-30 00:43:11 +03:00
Leo Yuriev
9a2fff91f3 mdbx: dynamic mapsize/geometry and API (mostly done). 
Change-Id: Ifb768ff3207cae1755c53c211a3ae552c6455e12
 2017-06-21 01:42:41 +03:00
Leo Yuriev
151d4540de mdbx: refine internal constant (use UINT32_C, etc minors). 
Change-Id: I0f994ee75b5aa1494fcc8ca42a46120865676e25
 2017-06-21 01:39:53 +03:00
Leo Yuriev
f93818a926 mdbx: fix MAX_MAPSIZE for Win32. 
Change-Id: I04cbffb14ab7c73d935614b2f5c8140000b78d76
 2017-06-21 01:36:49 +03:00
Leo Yuriev
81661ff952 mdbx: add shared cache for oldest reader's txnid. 
Change-Id: I48cbc778b873445dffa8ecef1fc3633e0193131f
 2017-06-16 05:21:49 +03:00
Leo Yuriev
c01aeb5c68 mdbx: refine meta_txnid(). 
Change-Id: I4d78b2ebed8850c90dc762405ba939be7385c9a3
 2017-06-16 05:21:49 +03:00
Leo Yuriev
6f53dd0719 mdbx: add mdbx_dbi_flags_ex(). 2017-06-09 16:44:34 +03:00
Leo Yuriev
465459dc58 mdbx: add MDBX_txn.mt_owner and MDBX_THREAD_MISMATCH. 2017-06-06 17:11:29 +03:00
Leonid Yuriev
318646794e mdbx: partial fix MSVC level-4 warnings. 2017-06-06 04:15:08 +03:00
Leonid Yuriev
bfa6dea784 mdbx: fix size_t/unsigned/int warnings. 
Change-Id: Ic5a8684aed232b8b732d6e7a87a6757f3f7afcec
 2017-06-06 04:15:08 +03:00
Leo Yuriev
61d7ea283f mdbx: size_t for sync_threshold and mapsize. 2017-06-06 04:15:08 +03:00
Leo Yuriev
802c10f13f mdbx: log2shift instead of multiplication by pagesize. 
Change-Id: I72c4c7699a409795459b466ff74c388b15b13687
 2017-06-06 04:15:08 +03:00
Leo Yuriev
9ef81ac16c mdbx: add 'unlikely' to IS_OVERFLOW(). 
Change-Id: Ia92aac948046890ca4f9d9c3fbff0b4ac5728fab
 2017-06-06 04:15:08 +03:00
Leo Yuriev
439ae3983c mdbx: use 2^N constants for fill-threshold. 
Change-Id: I3e190f5af77282a7995ae733c7a6865a21daa6c3
 2017-06-06 04:15:08 +03:00
Leo Yuriev
59c22ab036 mdbx: use 32-bit pgno_t (page numbers). 
Change-Id: Ie9f3528e12b7be27765c0225edde26e4d8282692
 2017-06-06 04:15:08 +03:00
Leo Yuriev
1343b46466 mdbx: add txnid-list functions. 2017-06-06 04:15:08 +03:00
Leo Yuriev
95ebdb7065 mdbx: MAX_PAGESIZE always 64K. 2017-06-06 04:15:08 +03:00
Leo Yuriev
61a3766e23 mdbx: update DB format and signatures. 
Change-Id: I9c4b187e8ebc3df63fef15ae98872e27d56a01ab
 2017-06-06 04:15:08 +03:00
Leonid Yuriev
e7ee0bc762 mdbx: refine testing-jitter, add MDBX_DBG_JITTER. 
Change-Id: Ibc3bd8a16626e97aabc2cc544a3803f2e2bc3a10
 2017-06-06 04:15:08 +03:00
Leo Yuriev
d5b0e68326 mdbx: fix merge/rebase error (remove mm_txnid field). 2017-05-29 20:44:17 +03:00
Leo Yuriev
0f676db491 mdbx: add locking while open/close/drop dbi-handles (avoid dbi-related races). 
This avoid races and collisions between threads when opening,
closing and deleting DBI-handles.

unfortunately, this does not resolve collision in the case an one thread
closing the DBI-handle while the another thread performs transaction.

Change-Id: I48c3ffb11a8f83739fae1712db3476645f573e09
 2017-05-29 19:38:43 +03:00
Leo Yuriev
a0ddf167dd mdbx: common database format for 32/64 targets (remove 'size_t' structures). 
Change-Id: I2d7c77603ee27c5ae4b82f762a726f71136527c8
 2017-05-28 18:35:58 +03:00
Leo Yuriev
f945e8a062 mdbx: fix cache-aligned size for MDBX_reader. 
Change-Id: I1e48dd279106daa629fbcd427ec841828799c8f6
 2017-05-28 17:06:04 +03:00
Leo Yuriev
60fed8bbca mdbx: fix first-rdonly-blocker bug. 2017-05-28 17:06:04 +03:00
Leo Yuriev
76f459c08e mdbx: two-phase txnid to avoid bottom-top DMA updates. 2017-05-28 17:06:04 +03:00
Leo Yuriev
1c170cb866 mdbx: add MAX_PAGENO, MIN_PAGENO, MAX_MAPSIZE, MIN_MAPSIZE. 2017-05-28 17:02:19 +03:00
Leo Yuriev
18cf804d0b mdbx: add STATIC_ASSERT_MSG, refine STATIC_ASSERT. 2017-05-28 17:02:19 +03:00
Leo Yuriev
9959fe8711 mdbx: reorder fields in metapages. 2017-05-28 17:02:19 +03:00