Our master database server crashed first time after two years. We
are using Debian GNU/Linux 6.0 with Linux 2.6.32-5-amd64. We have
updated the MySQL server to 5.5.11 two months ago from MySQL
binaries. All of the tables use InnoDB storage engine. The server
responds in average 2k query per second.
"wait_timeout" parameter had set to 120 from 300 on the morning of
the day the crash happened. The server crashed at the evening and
restart itself successfully. We could not find anything significant
about the crash. There were nothing unusual, no load, not many
connections, not any log query. Is there any chance that the
"wait_timeout" parameter caused the crash?
The error log of the server for the crash is attached.
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