I don't understand the another possibilities yet. Hmm... ~percona-dev/percona-xtradb/trial-fix-wait-ex may be effective, if you still meet the hang.
If this patch is effective, I don't trust behavior of the CPU.... -- rw_lock still has possibility to hangup https://bugs.launchpad.net/bugs/333750 You received this bug notification because you are a member of Percona developers, which is the registrant for Percona patches. Status in Patches for MySQL by Percona: Confirmed Status in Percona XtraDB Storage Engine for MySQL: In Progress Bug description: rw_lock implementation may still have possibility to hangup --Thread 1409067328 has waited at ../../storage/innobase/include/btr0btr.ic line 31 for 7.00 seconds the semaphore: X-lock on RW-latch at 0x7f1b0bf3cab8 created in file buf/buf0buf.c line 810 a writer (thread id 1409067328) has reserved it in mode wait exclusive number of readers 0, s_waiters flag 1, x_waiters flag 1 Last time read locked in file not yet reserved line 0 Last time write locked in file btr/btr0cur.c line 467 or --Thread 1397074240 has waited at btr/btr0cur.c line 418 for 0.00 seconds the semaphore: S-lock on RW-latch at 0x7f8ef9292138 created in file dict/dict0dict.c line 1541 number of readers 0, s_waiters flag 0, x_waiters flag 0 Last time read locked in file btr/btr0cur.c line 418 Last time write locked in file btr/btr0cur.c line 411 _______________________________________________ Mailing list: https://launchpad.net/~percona-discussion Post to : [email protected] Unsubscribe : https://launchpad.net/~percona-discussion More help : https://help.launchpad.net/ListHelp
