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Applying InnoDB snapshot, fixes BUG#52102.

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r6840 | calvin | 2010-03-19 00:32:23 +0200 (Fri, 19 Mar 2010) | 6 lines
branches/zip: Fix Bug #52102 InnoDB Plugin shows performance drop
comparing to builtin InnoDB (Windows only).

Disable Windows atomics by default.

Approved by: Inaam
This commit is contained in:
Sergey Vojtovich 2010-04-01 16:53:56 +04:00
commit e1d20aefe1
2 changed files with 12 additions and 1 deletions
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6
storage/innodb_plugin/CMakeLists.txt
View file

@ -80,5 +80,9 @@ SET(INNODB_PLUGIN_SOURCES btr/btr0btr.c btr/btr0cur.c btr/btr0pcur.c btr/btr0sea
usr/usr0sess.c
ut/ut0byte.c ut/ut0dbg.c ut/ut0mem.c ut/ut0rnd.c ut/ut0ut.c ut/ut0vec.c
ut/ut0list.c ut/ut0wqueue.c)
ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION)
# Windows atomics do not perform well. Disable Windows atomics by default.
# See bug#52102 for details.
#ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DINNODB_RW_LOCKS_USE_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION)
ADD_DEFINITIONS(-DHAVE_IB_PAUSE_INSTRUCTION)
MYSQL_STORAGE_ENGINE(INNODB_PLUGIN)

7
storage/innodb_plugin/ChangeLog
View file

@ -1,3 +1,10 @@
2010-03-18 The InnoDB Team
* CMakeLists.txt:
Fix Bug #52102 InnoDB Plugin shows performance drop comparing to
builtin InnoDB (Windows only).
Disable Windows atomics by default.
2010-03-18 The InnoDB Team
* buf0buf.ic: