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Diffstat (limited to 'mysql-test/include/innodb_stable_estimates.inc')
| -rw-r--r-- | mysql-test/include/innodb_stable_estimates.inc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/include/innodb_stable_estimates.inc b/mysql-test/include/innodb_stable_estimates.inc new file mode 100644 index 00000000..dc3bc4de --- /dev/null +++ b/mysql-test/include/innodb_stable_estimates.inc @@ -0,0 +1,12 @@ +# +# Include this file in your .test file if your testcase uses InnoDB tables +# requiring stable query plans, which likely requires that InnoDB produces +# stable estimates for #records in tables. +# +# How it works: +# Unstable InnoDB estimates are caused by InnoDB's background statistics +# collection. When you include this file, MTR will use server options from +# include/innodb_stable_estimates.opt, which disables background statistics +# collection. +# (and no, InnoDB team objects to using this configuration for all MTR tests) +# |