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From "Yonik Seeley (Updated) (JIRA)" <>
Subject [jira] [Updated] (SOLR-2861) transaction log / realtime-get failures
Date Thu, 03 Nov 2011 04:37:32 GMT


Yonik Seeley updated SOLR-2861:

    Attachment: fail17.xml

Here's a failure with prints for the commit and with info stream on.

Key debug outout:
27273  VERBOSE:WRITER1: start reopen from Searcher@71412b61 main{DirectoryReader(segments_5:1320282632962:nrt
_z(4.0):C21/17 _10(4.0):C3/2 _11(4.0):C6/5 _14(4.0):C8/3 _13(4.0):C4/1 _15(4.0):C1 _16(4.0):C5/1
_18(4.0):C5)} writer= org.apache.solr.update.SolrIndexWriter@1badd463
27321  VERBOSE:WRITER9: deleteDocuments id:14 org.apache.solr.update.SolrIndexWriter@1badd463
27895  VERBOSE:WRITER9: deleteDocuments id:14 DONE
28120  VERBOSE:WRITER1: reopen result DirectoryReader(segments_5:1320282632968:nrt _17(4.0):C19/7
_16(4.0):C5/3 _18(4.0):C5/2 _1a(4.0):C6/1 _19(4.0):C2)

28124  VERBOSE:WRITER6: writer.commit() start writer= org.apache.solr.update.SolrIndexWriter@1badd463

28135  VERBOSE:WRITER4: start reopen from Searcher@c16c2c0 main{DirectoryReader(segments_5:1320282632968:nrt
_17(4.0):C19/7 _16(4.0):C5/3 _18(4.0):C5/2 _1a(4.0):C6/1 _19(4.0):C2)} writer= org.apache.solr.update.SolrIndexWriter@1badd463
28136  VERBOSE:WRITER4: reopen result (null)

28159  VERBOSE:READER2: RealTimeGet using searcher  Searcher@962e703 main{DirectoryReader(segments_5:1320282632968:nrt
_17(4.0):C19/7 _16(4.0):C5/3 _18(4.0):C5/2 _1a(4.0):C6/1 _19(4.0):C2)}
28226  VERBOSE:READER2: ERROR, id= 14 foundVal= 17 model val= -18 realTime= true

28355  VERBOSE:WRITER6: writer.commit() end

For this one, it looks like the reopen was concurrent with the delete, and another reopen
was concurrent with the commit.  Given that we seem to be only seeing these issues now with
a mix of hard & soft commits, I'd guess that the issue is when the commit overlaps with
a reopen.
> transaction log / realtime-get failures 
> ----------------------------------------
>                 Key: SOLR-2861
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Yonik Seeley
>         Attachments:, fail11.xml, fail13_postfix.xml,
fail16.xml, fail17.xml, fail4.xml, fail5.xml, jenkins_output.txt, solr_debug.patch, trunk-0.txt
> realtime-get or the transaction log fails sometimes

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