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Author SHA1 Message Date
Leo Yuriev
1ca2b54966 lmdb: more coherent-barriers where reader's pid updated. 
Change-Id: I6262021c074a99e2f548c1fda94fd53c584d2b89
 2015-01-17 17:20:33 +03:00
Hallvard Furuseth
ae747bb4ce lmdb: ITS#7971 Fix reader allocation and me_numreaders. 
Change-Id: I75c8325de342c2a28592fb0c7a718f95855e7e4d
 2015-01-17 16:58:32 +03:00
Hallvard Furuseth
62181cfe87 lmdb: Reject CHANGELESS flags in mdb_env_set_flags(). 
Reverts part of a2ac10107e2fb845c4a38a339239063ec4407d84.
MDB_ROBUST needed to be accepted, but that flag is gone.

Change-Id: I2aba1e9e02da716d4509e465767bf8be05895c29
 2015-01-16 01:26:50 +03:00
Leo Yuriev
1f58fb66ae lmdb: ITS#7969 properly compiler/memory/coherent barriers. 
Change-Id: I875d0908a2c828626df544fed48b3144e95e3982
 2015-01-16 01:26:50 +03:00
Howard Chu
e7a0c74c09 lmdb: Fix potential null deref (coverity). 
Change-Id: Icc5cadfddecbea81c835d84e4ada785e34638514
 2015-01-16 01:26:50 +03:00
Hallvard Furuseth
eb885ab910 lmdb: Make SysV semaphores robust. Cleanup MDB_ROBUST. 
Backport from master: 66e3f5139105822196aea6a6e63596d25734222a.

Change-Id: Idda165be19ee95c2a0839a180a2ece395502ce26
 2015-01-16 01:26:49 +03:00
Leo Yuriev
3015e8d03e lmdb: account pages from penging txn in mdb_txn_straggler(). 
Backport from master: f756a26a43ad933a98909a974ae84f7d43c30266.

Change-Id: I0f8af7af722977ddeff88d2e8129bcde23ffd06f
 2015-01-16 01:26:49 +03:00
Hallvard Furuseth
8375bb0c8d lmdb: ITS#8021 doc - Don't mix MDB_WRITEMAP + non-WRITEMAP. 
Change-Id: I99916dbac14cece91154977f2eaecd1604198806
 2015-01-16 01:26:49 +03:00
Howard Chu
13b144dc5d ITS#8021 env_sync is invalid in RDONLY env 
Change-Id: I2c9c8bcf4b28ea002cb5e4caa117396a82289924
 2015-01-16 00:25:18 +03:00
Leo Yuriev
3fd4f9cce0 lmdb: rework workaround for potential ext3/ext4 corruption issue. 
Reworked from branch 'mdb.master' origin OpenLDAP:
  8b6c425 2015-01-12 More cleanup for fdatasync hack
  ea89e3d 2015-01-11 Tweak conditionals for fdatasync hack
  462dc09 2015-01-08 fdatasync hack, again
  e86072a 2015-01-08 Revert "Note MDB_SAFE_FDATASYNC"
  293d6bb 2015-01-08 Note MDB_SAFE_FDATASYNC
  9585c01 2015-01-08 Simpler fdatasync hack
  0ef1e0b 2015-01-08 Revert "Fix prev commit for env_sync0"

Imported early while forking ReOpenLDAP:
  985bbbb 2014-12-21 Fix prev commit for env_sync0
  0018eeb 2014-12-18 Hack for potential ext3/ext4 corruption issue

Change-Id: I187fd320620b9ced2e3773cac96f281ff65f97d4
 2015-01-16 00:24:31 +03:00
Leo Yuriev
f00d2cdef6 lmdb: MDB_LIFORECLAIM & MDB_COALESCE modes. 
Reclaim FreeDB in LIFO order - this is a main feature.
Also aim to coalesce small FreeDFB records.

Change-Id: I76aa062ef59359616e5b697233ec47cbd14f43cd
 2015-01-15 23:19:52 +03:00
Leo Yuriev
9eedc88441 lmdb: ITS#7974 oom-handler feature. 
Change-Id: I2c56e003fa1e4abe934288581e4c52c80db27c08
 2015-01-15 23:19:52 +03:00
Leo Yuriev
84ce8b4cd8 lmdb: properly sync meta-pages in mdb_sync_env(). 
Meta-pages may be updated during data-syncing in mdb_sync_env(),
in this case database would be inconsistent.

Check-and-retry if lead txn-id changed during flushing data in mdb_sync_env().

Change-Id: I806e6d3766d028dcd4e6b0591aabc718107056fb
 2015-01-15 23:19:52 +03:00
Leo Yuriev
fcfe2b7042 lmdb: auto-sync with kbytes threshold (aka checkpoint by kbytes). 
Change-Id: If29a3d70e775a65d832f578f0c3edd3ea41dcc67
 2015-01-15 23:19:52 +03:00
Leo Yuriev
c9489da920 lmdb: lock meta-pages in writemap-mode to avoid unordered write. 
Without locking the meta-pages may be writen by OS before data pages,
in this case database would be inconsistent.

Change-Id: I6a262709b0741d7b57cb68231c4ae1c62a10a743
 2015-01-15 23:19:51 +03:00
Leo Yuriev
2df38ad58b lmdb: ITS#7974 get a lag of the reading for dreamcatcher. 
Change-Id: I7fc93ce4fa851904521a58a225f04c65eca2d998
 2015-01-15 23:19:51 +03:00
Leo Yuriev
7984f8817f lmdb: more usefull info from mdb_stat tool. 
Change-Id: I64015952431aebabf792b912acd022a6ddc79903
 2015-01-15 23:19:51 +03:00
Leo Yuriev
1b8398b413 lmdb: Use last page (off-by-one error). 
Change-Id: Ie1fd90d1562ab8ea8e53701188e3a17495a697e1
 2015-01-15 23:19:51 +03:00
Leo Yuriev
1b5de44e23 fix: uninitialized (warnings). 
Change-Id: I0f5eab80546a602a616209c6b585605826a06371
 2015-01-15 23:19:51 +03:00
Leo Yuriev
c1d30eeeda Cleanup trailing whitespaces. 
Change-Id: If80cebd46dab67020a065eed27c5f91ffd6c2dbd
 2015-01-15 22:06:04 +03:00
Leo Yuriev
37a8a96733 Merge branch 'mdb-master' at 2015-01-01. 2015-01-07 18:46:52 +03:00
Leo Yuriev
7a7639e5f1 Merge branch 'mdb-0.9' at 2015-01-01. 2015-01-07 18:35:19 +03:00
Leo Yuriev
83055127c1 OpenLDAP mdb.master at 985bbbbdd5d64e57f55249ffdeb7c08035b240b2 (2015-01-01). 2015-01-07 18:12:57 +03:00
Leo Yuriev
8431fb6372 OpenLDAP mdb.RE/0.9 at fe8b13f2251d49689b05876b86b3e10bb89993cd (2015-01-01). 2015-01-07 17:55:19 +03:00
Leo Yuriev
27a2bfaa10 OpenLDAP 2.4.40 2015-01-07 16:49:50 +03:00