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BUG#12574820: binlog.binlog_tmp_table timing out in daily and weekly trunk run

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Problem: MYSQL_BIN_LOG::reset_logs acquires mutexes in wrong order.
The correct order is first LOCK_thread_count and then LOCK_log. This function
does it the other way around. This leads to deadlock when run in parallel
with a thread that takes the two locks in correct order. For example, a thread
that disconnects will take the locks in the correct order.
Fix: change order of the locks in MYSQL_BIN_LOG::reset_logs:
first LOCK_thread_count and then LOCK_log.
This commit is contained in:
Sven Sandberg
2011-05-26 12:50:43 +02:00
parent aa0c8235a4
commit b76c277a8f
4 changed files with 41 additions and 7 deletions
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mysql-test/suite/binlog/r/binlog_reset_master.result Normal file
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RESET MASTER;