ourdelta-developers team mailing list archive

[MARK CALLAGHAN <mdcallag@xxxxxxxxx>]

On Tue, Mar 17, 2009 at 11:43 AM, Neil Katin <launchpad@xxxxxxxxxxx> 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.
>
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>

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.

-- 
Mark Callaghan
mdcallag@xxxxxxxxx