Percona Server with XtraDB

srv_cleaner_flush_chunk_size different default for regular and UNIV_PERF_DEBUG binaries; wrong default for regular ones

Reported by Laurynas Biveinis on 2013-10-10
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Percona Server
Status tracked in 5.6
5.1
Undecided
Unassigned
5.5
Undecided
Unassigned
5.6
Medium
Laurynas Biveinis

Bug Description

UNIV_INTERN ulint srv_cleaner_flush_chunk_size = 200;

static MYSQL_SYSVAR_ULONG(cleaner_flush_chunk_size,
  srv_cleaner_flush_chunk_size,
  PLUGIN_VAR_RQCMDARG,
  "Divide page cleaner flush list flush batches into chunks of this size",
  NULL, NULL, 100, 1, ~0UL, 0);

This was discovered before the GA, and attempted to fix with bug 1235114 branch, and with xtradb-empty-free-list-backoff. These two "fixes" crossed each other, reversing the mismatch.

The correct default is 100.

tags: added: low-hanging-fruit xtradb
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