Hardware? Operating System and version? MySql version? Precompiled, you compiled? Which compiler?
[EMAIL PROTECTED] wrote: > Hi. These last days, after some months of running relatively smoothly, >I've been having some trouble with MySQL. Sometimes (yesterday 4 times) it >just goes astray and virtually hangs. Load goes up to +200%, all >connections are occupied and it just doesn't do anything. The only way to >stop it is to killall -9 mysql because a mysqladmin shutdown won't do. > > Looking though the error file I get this: > >mysqld got signal 11; >This could be because you hit a bug. It is also possible that this binary >or one of the libraries it was linked agaist is corrupt, improperly built, >[...] > >key_buffer_size=402649088 >record_buffer=8384512 >sort_buffer=33554424 >max_used_connections=352 >max_connections=400 >threads_connected=287 >It is possible that mysqld could use up to >key_buffer_size + (record_buffer + sort_buffer)*max_connections = 4192696 K >bytes of memory >Hope that's ok, if not, decrease some variables in the equation > > (Is it ok? Box is a Dual 1Ghz, 1Gb ram, Linux 2.4.16 dedicated only to >MySQL) > >Attempting backtrace. You can use the following information to find out >where mysqld died. If you see no messages after this, something went >terribly wrong... >Stack range sanity check OK, backtrace follows: >0x806ede4 >0x8120148 >0x814ba77 >0x80a147f >0x807561a >0x8073f97 > >[...] > >Trying to get some variables. >Some pointers may be invalid and cause the dump to abort... >thd->query at (nil) is invalid pointer >thd->thread_id=1733 > > Everytime the box hangs I get the same stack backtrace, I have resolved >it and it's: > >0x806ede4 pack__12Field_stringPcPCcUi + 20 >0x8120148 regatoi + 8 >0x814ba6f __printf_fp + 5719 >0x80a147f join_read_const__FP13st_join_table + 35 >0x807561a push_front__t4List1Z3KeyP3Key + 18 >0x8073f97 prepare__13select_exportRt4List1Z4Item + 443 > > ...but when I try to find the thread that caused it (1733 in this case) >in the binary log it doesn't appear so I'm unable to determine what's >causing the error. > > I thought at first that it could be a load peak issue, but this error is >from today at 6am, and this isn't a busy hour. Everytime I get this i run >myisamchk -r *.MYI. It seems that after some time (+30 minutes usually) >mysql restarts and starts running again. > > Any thoughts on this? Anything I can do to resolve it? > > Thanks. > >-- > L > > > >--------------------------------------------------------------------- >Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > >To request this thread, e-mail <[EMAIL PROTECTED]> >To unsubscribe, e-mail ><[EMAIL PROTECTED]> >Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php > > --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
