~stewart/drizzle/update-innobase

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  • Committer: Stewart Smith
  • Author(s): Sunny Bains, Stewart Smith
  • Date: 2010-12-20 03:13:32 UTC
  • Revision ID: stewart@flamingspork.com-20101220031332-s5l22v1i4116q3xi
Merge Revision revid:sunny.bains@oracle.com-20101103014053-rlghb3z1wfbc45al from MySQL InnoDB

Original revid:sunny.bains@oracle.com-20101103014053-rlghb3z1wfbc45al

Original Authors: Sunny Bains <Sunny.Bains@Oracle.Com>
Original commit message:
Fix Bug #54538 - use of exclusive innodb dictionary lock limits performance.

This patch doesn't get rid of the need to acquire the dict_sys->mutex but
reduces the need to keep the mutex locked for the duration of the query
to fsp_get_available_space_in_free_extents() from ha_innobase::info().
 
This is a port of revno:3548 from the builtin to the plugin.

rb://501 Approved by Jimmy Yang and Marko Makela.

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