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Posted to dev@lucene.apache.org by "Alexandre Rafalovitch (JIRA)" <ji...@apache.org> on 2016/10/02 05:24:20 UTC
[jira] [Closed] (SOLR-3366) Restart of Solr during data import
causes an empty index to be generated on restart
[ https://issues.apache.org/jira/browse/SOLR-3366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexandre Rafalovitch closed SOLR-3366.
---------------------------------------
Resolution: Won't Fix
An old possible bug related to (old) replication, Tomcat and edge-case activity. I am closing this. If the problem still occurs with more recent Solr, a new issue with updated details can be created.
> Restart of Solr during data import causes an empty index to be generated on restart
> -----------------------------------------------------------------------------------
>
> Key: SOLR-3366
> URL: https://issues.apache.org/jira/browse/SOLR-3366
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler, replication (java)
> Affects Versions: 3.4
> Reporter: Kevin Osborn
>
> We use the DataImportHandler and Java replication in a fairly simple setup of a single master and 4 slaves. We had an operating index of about 16,000 documents. The DataImportHandler is pulled periodically by an external service using the "command=full-import&clean=false" command for a delta import.
> While processing one of these commands, we did a deployment which required us to restart the application server (Tomcat 7). So, the import was interrupted. Prior to this deployment, the full index of 16,000 documents had been replicated to all slaves and was working correctly.
> Upon restart, the master restarted with an empty index and then this empty index was replicated across all slaves. So, our search index was now empty.
> My expected behavior was to lose any changes in the delta import (basically prior to the commit). However, I was not expecting to lose all data. Perhaps this is due to the fact that I am using the full-import method, even though it is really a delta, for performance reasons? Or does the data import just put the index in some sort of invalid state?
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