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Zookeeper >> mail # user >> auto-purge not purging


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Re: auto-purge not purging
Ah, sorry I wasn't clear.  There's currently 3 log/snapshot pairs in that
dir, because I cleared it out recently.  If I keep starting and stopping
solr/zookeeper, they'll continue to pile up.

$ ls -lah

drwxr-xr-x  14 ryanfox  staff   476B Nov  4 17:25 .
drwxr-xr-x   4 ryanfox  staff   136B Nov  4 09:30 ..
-rw-r--r--   1 ryanfox  staff    64M Oct 30 13:09 log.1
-rw-r--r--   1 ryanfox  staff    64M Nov  4 17:25 log.112
-rw-r--r--   1 ryanfox  staff    64M Nov  4 09:36 log.48
-rw-r--r--   1 ryanfox  staff    64M Nov  4 17:22 log.7b
-rw-r--r--   1 ryanfox  staff    64M Nov  4 17:22 log.ad
-rw-r--r--   1 ryanfox  staff    64M Nov  4 17:25 log.e1
-rw-r--r--   1 ryanfox  staff   296B Oct 30 12:53 snapshot.0
-rw-r--r--   1 ryanfox  staff    60K Nov  4 17:25 snapshot.111
-rw-r--r--   1 ryanfox  staff    60K Nov  4 09:34 snapshot.47
-rw-r--r--   1 ryanfox  staff    60K Nov  4 09:36 snapshot.7a
-rw-r--r--   1 ryanfox  staff    60K Nov  4 17:22 snapshot.ac
-rw-r--r--   1 ryanfox  staff    60K Nov  4 17:23 snapshot.e0

Thanks for the info on preAllocSize, that may prove useful as well.
Nothing showed up in the logs today despite running for ~8 hours.

Best,
Ryan
On Mon, Nov 4, 2013 at 5:13 PM, Patrick Hunt <[EMAIL PROTECTED]> wrote:

> On Mon, Nov 4, 2013 at 7:46 AM, Ryan Fox <[EMAIL PROTECTED]> wrote:
> >>
> >> What version of ZooKeeper are you running? (solr 4.1.0 is pretty old,
> >> 4.5.1 is out now, perhaps try upgrading?)
> >>
> >>
>
> > Zookeeper version is 3.4.5.  This is part of a large software package, so
> > upgrading the solr library would be painful, but possible.
> >
>
> 3.4.5 is fine, I just wasn't sure what version solr was using, if it
> was old it might be related but I don't think that's the case here.
>
> >> "do not get autopurged" - could you provide more insight. 1) are you
> >> sure the configuration options are being applied? 2) what does the
> >> datadir look like? (snaps/logs, perhaps do an "ls -la" and provide in
> >> this thread) 3) anything autopurge related in the zk server logs?
> >>
>
> >  Sure, the datadir contains only logs and snapshots.  I would expect the
> > autoPurge function to delete logs and snapshots older than the number I
> > have set in zoo.cfg, but nothing gets deleted, and they just pile up,
> > eating up my hard drive.
> > 1) The zookeeper instance is picking up my settings for clientPort, so I
> > assume I have the purge settings in the correct place as well.  The
> > relevant section of zoo.cfg:
> > autopurge.snapRetainCount=3
> > autopurge.purgeInterval=1
> >
> > 2) ls -lah
> > -rw-r--r--  1 ryanfox  staff    64M Oct 30 13:09 log.1
> > -rw-r--r--  1 ryanfox  staff    64M Nov  4 09:36 log.48
> > -rw-r--r--  1 ryanfox  staff    64M Nov  4 09:37 log.7b
> > -rw-r--r--  1 ryanfox  staff   296B Oct 30 12:53 snapshot.0
> > -rw-r--r--  1 ryanfox  staff    60K Nov  4 09:34 snapshot.47
> > -rw-r--r--  1 ryanfox  staff    60K Nov  4 09:36 snapshot.7a
> >
>
> You have our snapRetainCount set to 3. That's why three snaps (and
> their related logs) are saved.
>
> Try setting it to 2.
>
> > A new log and snapshot gets created every time I stop and start solr.  As
> > an aside, every log file appears to be 64MB, no matter how much/little is
> > in my index.  Is that correct?  Seems like a lot for an empty solr
> instance.
> >
>
> We pre-allocate the log files for performance. See "preAllocSize" here:
> http://zookeeper.apache.org/doc/r3.4.5/zookeeperAdmin.html
>
> If you want smaller files try setting that to something like 10k or
> somesuch.
>
> > 3) I haven't seen any smoking gun in the logs, but haven't specifically
> > looked, either.  I'll let it go until it should have triggered the
> > auto-purge and report back.
>
> See if the above suggestions/info help.
>
> Obviously don't carry over these changes to production. ;-)
>
> Regards,
>
> Patrick
>