On Tue, Mar 17, 2009 at 12:00 PM, MARK CALLAGHAN <[email protected]> wrote: > On Tue, Mar 17, 2009 at 11:43 AM, Neil Katin <[email protected]> wrote: >> Public bug reported: >> >> >> We recently upgraded to the ourdelta patch set (Centos5.2, x86_64, >> 5.0.67.d7-44.el5_2). We were running the provenscaling version mysql). >> >> Ever since the upgrade we seem to be having a memory leak in mysqld; the >> executable is growing by about 3gb a day. Here's an rrd graph of our >> memory usage; you can see the "green" (apps) portion of memory growing >> right after we performed the upgrade (at the end of week 8). >> >> http://www.sonic.net/~nk31/memory-month.png >> >> The application didn't change at that time; we are running the exact >> same SQL queries and workload before and after the update. >> >> I realize that I don't have enough info to allow you to fix any problems >> in this but report (but if you can think of something we could measure >> for you, I will). But I did want to see if anyone else has seen any >> leakage issues in this version of mysqld. >> >> Thanks. >> >> ** Affects: ourdelta >> Importance: Undecided >> Status: New >> >> -- >> Memory leak in mysqld? >> https://bugs.launchpad.net/bugs/344447 >> You received this bug notification because you are a member of OurDelta- >> developers, which is the registrant for OurDelta. >> >> Status in OurDelta - Builds for MySQL: New >> >> Bug description: >> >> We recently upgraded to the ourdelta patch set (Centos5.2, x86_64, >> 5.0.67.d7-44.el5_2). We were running the provenscaling version mysql). >> >> Ever since the upgrade we seem to be having a memory leak in mysqld; the >> executable is growing by about 3gb a day. Here's an rrd graph of our memory >> usage; you can see the "green" (apps) portion of memory growing right after >> we performed the upgrade (at the end of week 8). >> >> http://www.sonic.net/~nk31/memory-month.png >> >> The application didn't change at that time; we are running the exact same >> SQL queries and workload before and after the update. >> >> I realize that I don't have enough info to allow you to fix any problems in >> this but report (but if you can think of something we could measure for you, >> I will). But I did want to see if anyone else has seen any leakage issues >> in this version of mysqld. >> >> Thanks. >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~ourdelta-developers >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~ourdelta-developers >> More help : https://help.launchpad.net/ListHelp >> > > Arjen -- can SHOW CLIENT_STATISTICS data collection be disabled? If > so, then that should be done to see if it makes the leak go away.
I just looked at my notes. The bug that I fixed (and the fix is in the big Google v3 patch) occurs when SHOW CLIENT_STATISTICS data collection is done and the server is run without --skip-name-resolve. > > -- > Mark Callaghan > [email protected] > -- Mark Callaghan [email protected] _______________________________________________ Mailing list: https://launchpad.net/~ourdelta-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~ourdelta-developers More help : https://help.launchpad.net/ListHelp

