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From Webster Homer <>
Subject Re: Tlogs not being deleted/truncated
Date Fri, 18 Aug 2017 18:06:58 GMT
I have an update on this. While I was on vacation, there were a number of
Our autoCommit settings were (and are) the following:

The startup script was NOT setting solr.autoCommit.maxTime. It seemed that
autoCommits were sporadic at best. Our autoSoftCommit was working.
Our admistrators changed the Solr startup script to set
solr.autoCommit.maxTime. Which they set as follows, i the script.
SOLR_OPTS="$SOLR_OPTS -Dsolr.autoCommit.maxTime=60000"

They claim that this has fixed our tlog problems across the board. Commits
appear to be reliable now. As a developer I don't have visibility into our
production systems. I find it odd that explicitly setting the value in the
solr startup fixed the issue. We had wanted to have this value determined
peer collection but it does seem to address the problem.

This seems like a bug in solr to have it behave like this!

We are running Solr 6.2.0 with our production systems in Google Cloud We
use cdcr to replicate from our on prem systems to the Google Cloud

On Wed, Jul 12, 2017 at 9:19 AM, Webster Homer <>

> We have buffers disabled as described in the CDCR documentation. We also
> have autoCommit set for hard commits, but openSearcher false. We also have
> autoSoftCommit set.
> On Tue, Jul 11, 2017 at 5:00 PM, Xie, Sean <> wrote:
>> Please see my previous thread. I have to disable buffer on source cluster
>> and a scheduled hard commit with scheduled logscheduler to make it work.
>> -- Thank you
>> Sean
>> From: jmyatt <<>>
>> Date: Tuesday, Jul 11, 2017, 1:56 PM
>> To: <<mailto:
>> Subject: [EXTERNAL] Re: Tlogs not being deleted/truncated
>> another interesting clue in my case (different from what WebsterHomer is
>> seeing): the response from /cdcr?action=QUEUES reflects what I would
>> expect
>> to see in the tlog directory but it's not accurate.  By that I mean
>> tlogTotalSize shows 1500271 (bytes) and tlogTotalCount shows 2.  This
>> changes as more updates come in and autoCommit runs - sometimes
>> tlogTotalCount is 1 instead of 2, and the tlogTotalSize changes but stays
>> in
>> that low range.
>> But on the filesystem, all the tlogs are still there.  Perhaps the ignored
>> exception noted above is in fact a problem?
>> --
>> View this message in context: http://lucene.472066.n3.nabble
>> .com/Tlogs-not-being-deleted-truncated-tp4341958p4345477.html
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