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https://issues.apache.org/jira/browse/SOLR-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13462300#comment-13462300
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Yonik Seeley commented on SOLR-3884:
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Hmmm, just did as simple manual test, and I see evidence of a final commit.
I started a clean stock server, executed "post.sh *xml" (after commenting out
the commit command in the script), then pressed ^C immediately after the docs
are added (before any autocommit could kick in.).
Last lines on the console:
{code}
INFO: [collection1] webapp=/solr path=/update params={}
{add=[EN7800GTX/2DHTV/256M (1414039066694909952), 100-435805
(1414039066700152832)]} 0 10
^C2012-09-24 20:25:44.817:INFO:oejs.Server:Graceful shutdown
SocketConnector@0.0.0.0:8983
2012-09-24 20:25:44.817:INFO:oejs.Server:Graceful shutdown
o.e.j.w.WebAppContext{/solr,file:/opt/code/lusolr/solr/example/solr-webapp/webapp/},/opt/code/lusolr/solr/example/webapps/solr.war
2012-09-24 20:25:45.887:INFO:oejsh.ContextHandler:stopped
o.e.j.w.WebAppContext{/solr,file:/opt/code/lusolr/solr/example/solr-webapp/webapp/},/opt/code/lusolr/solr/example/webapps/solr.war
{code}
The only tlog was "capped" (an indicator that everything in the log was
subjected to a hard commit, hence there should be no need to tlog recovery on
restart).
{code}
/opt/code/lusolr/solr/example/solr/collection1/data/tlog$ tail -n1
tlog.0000000000000000000
0??D`-SOLR_TLOG_END/opt/code/lusolr/solr/example/solr/collection1/data/tlog$
{code}
Starting the server again showed no indication of a tlog replay/recovery.
So I guess this is something more esoteric related to SOLR-3861 that I don't
understand yet (and doesn't happen all the time).
bq. autocommit during shutdown
FYI, the final commit should be done regardless of any autocommits being
enabled, so I assume you're just referring to that commit, and not a real
autocommit triggered by time or number of documents that happens to coincide
with shutdown.
> possible bug in how commits are handled during "recovery" mode on startup?
> --------------------------------------------------------------------------
>
> Key: SOLR-3884
> URL: https://issues.apache.org/jira/browse/SOLR-3884
> Project: Solr
> Issue Type: Bug
> Reporter: Hoss Man
>
> while testing out 4.0-rc0, sarowe noted the he was seeing the smoke tester
> script fail while sanity checking the solr example.
> https://mail-archives.apache.org/mod_mbox/lucene-dev/201209.mbox/%3c6c78e97c707b5b4c8cc61d44f87545863ed...@suex10-mbx-03.ad.syr.edu%3E
> I'm not certain, but looking at his logs, i think this suggests a bug in how
> commits are handled when a newly started server is in "recovery" mode
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