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BUG#38826 Race in MYSQL_LOG::purge_logs is impossible to debug in production

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BUG#39325 Server crash inside MYSQL_LOG::purge_first_log halts replicaiton

The patch reverses the order of the purging and updating events for log and
relay-log.info/index files respectively.

This solves the problem of having holes caused by crashes happening between updating
info/index files and purging logs.

This patch also contains an aditional test case for testing the crashing before purge logs.
      
NOTE1: This is a combined patch for BUG#38826 and BUG#39325. This patch is based on
bugteam tree and takes into account reviewers suggestions.

NOTE2: Merge from 5.0-bugteam
This commit is contained in:
Luis Soares
2008-12-04 14:07:56 +00:00
parent 3059c95c65 5726574b0c
commit 0c9aaecc7f
6 changed files with 215 additions and 86 deletions
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2
mysql-test/include/wait_until_connected_again.inc
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@@ -6,7 +6,7 @@
let $counter= 500;
while ($mysql_errno)
{
--error 0,2002,2006
--error 0,2002,2006,2003
show status;
dec $counter;