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From "Michael Garski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3465) Replication Causes Two Searcher Warmups
Date Thu, 17 May 2012 01:38:06 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277479#comment-13277479
] 

Michael Garski commented on SOLR-3465:
--------------------------------------

I found the issue but am not sure what the appropriate fix would be.

The SnapPuller.doCommit method does a solrCore.getSearcher and a solrCore.getUpdateHandler().commit...
one of those may be redundant but I do not know which.  I reverted the body of that method
to an older version (1237497) and only one searcher is opened, warmed, and registered.
                
> Replication Causes Two Searcher Warmups 
> ----------------------------------------
>
>                 Key: SOLR-3465
>                 URL: https://issues.apache.org/jira/browse/SOLR-3465
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java)
>    Affects Versions: 4.0
>            Reporter: Michael Garski
>
> I'm doing some testing with the current trunk, and am seeing that when a slave retrieves
index updates from the master the warmup & searcher registration is performed twice. 
Here is a snippet of the log that demonstrates this:
> May 16, 2012 6:02:02 PM org.apache.solr.handler.SnapPuller fetchLatestIndex
> INFO: Total time taken for download : 92 secs
> May 16, 2012 6:02:02 PM org.apache.solr.core.SolrDeletionPolicy onInit
> INFO: SolrDeletionPolicy.onInit: commits:num=2
>         commit{dir=/Users/mgarski/Code/indexes/solr2/geo/index,segFN=segments_1,generation=1,filenames=[segments_1]
>         commit{dir=/Users/mgarski/Code/indexes/solr2/geo/index,segFN=segments_10,generation=36,filenames=[_45_0.tim,
_45.fdt, segments_10, _45_0.tip, _45.fdx, _45.fnm, _45_0.frq, _45.per, _45_0.prx]
> May 16, 2012 6:02:02 PM org.apache.solr.core.SolrDeletionPolicy updateCommits
> INFO: newest commit = 36
> May 16, 2012 6:02:02 PM org.apache.solr.search.SolrIndexSearcher <init>
> INFO: Opening Searcher@559fe5e6 main
> May 16, 2012 6:02:02 PM org.apache.solr.core.QuerySenderListener newSearcher
> INFO: QuerySenderListener sending requests to Searcher@559fe5e6 main{StandardDirectoryReader(segments_10:335:nrt
_45(4.0):C1096375)}
> May 16, 2012 6:02:02 PM org.apache.solr.core.QuerySenderListener newSearcher
> INFO: QuerySenderListener done.
> May 16, 2012 6:02:02 PM org.apache.solr.core.SolrCore registerSearcher
> INFO: [geo] Registered new searcher Searcher@559fe5e6 main{StandardDirectoryReader(segments_10:335:nrt
_45(4.0):C1096375)}
> May 16, 2012 6:02:02 PM org.apache.solr.update.DirectUpdateHandler2 commit
> INFO: start commit{flags=0,version=0,optimize=false,openSearcher=true,waitSearcher=true,expungeDeletes=false,softCommit=false}
> May 16, 2012 6:02:02 PM org.apache.solr.search.SolrIndexSearcher <init>
> INFO: Opening Searcher@42101da9 main
> May 16, 2012 6:02:02 PM org.apache.solr.update.DirectUpdateHandler2 commit
> INFO: end_commit_flush
> May 16, 2012 6:02:02 PM org.apache.solr.core.QuerySenderListener newSearcher
> INFO: QuerySenderListener sending requests to Searcher@42101da9 main{StandardDirectoryReader(segments_10:335:nrt
_45(4.0):C1096375)}
> May 16, 2012 6:02:02 PM org.apache.solr.core.QuerySenderListener newSearcher
> INFO: QuerySenderListener done.
> May 16, 2012 6:02:02 PM org.apache.solr.core.SolrCore registerSearcher
> INFO: [geo] Registered new searcher Searcher@42101da9 main{StandardDirectoryReader(segments_10:335:nrt
_45(4.0):C1096375)}
> I am trying to determine the cause, does anyone have any idea where to start?

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