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MDEV-6932: Enable Lazy Flushing

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Merge Facebook commit 4f3e0343fd2ac3fc7311d0ec9739a8f668274f0d
authored by Steaphan Greene from https://github.com/facebook/mysql-5.6

Adds innodb_idle_flush_pct to enable tuning of the page flushing rate
when the system is relatively idle. We care about this, since doing
extra unnecessary flash writes shortens the lifespan of the flash.
This commit is contained in:
Jan Lindström
2014-10-29 13:49:12 +02:00
parent 58888e2c08
commit 2bf3e416fe
11 changed files with 189 additions and 22 deletions
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storage/xtradb/include/srv0srv.h
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@@ -424,6 +424,8 @@ extern double srv_defragment_fill_factor;
extern uint srv_defragment_frequency;
extern ulonglong srv_defragment_interval;
extern ulint srv_idle_flush_pct;
/* Number of IO operations per second the server can do */
extern ulong srv_io_capacity;