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https://issues.apache.org/jira/browse/OAK-2719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chetan Mehrotra updated OAK-2719:
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Fix Version/s: (was: 1.3.12)
> Warn about local copy size different than remote copy in oak-lucene with
> copyOnRead enabled
> -------------------------------------------------------------------------------------------
>
> Key: OAK-2719
> URL: https://issues.apache.org/jira/browse/OAK-2719
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Priority: Minor
> Labels: resilience
>
> At times following warning is seen in logs
> {noformat}
> 31.03.2015 14:04:57.610 *WARN* [pool-6-thread-7]
> org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopier Found local copy
> for _0.cfs in
> NIOFSDirectory@/path/to/index/e5a943cdec3000bd8ce54924fd2070ab5d1d35b9ecf530963a3583d43bf28293/1
>
> lockFactory=NativeFSLockFactory@/path/to/index/e5a943cdec3000bd8ce54924fd2070ab5d1d35b9ecf530963a3583d43bf28293/1
> but size of local 1040384 differs from remote 1958385. Content would be read
> from remote file only
> {noformat}
> The file length check provides a weak check around index file consistency. In
> some cases this warning is misleading. For e.g.
> # Index version Rev1 - Task submitted to copy index file F1
> # Index updated to Rev2 - Directory bound to Rev1 is closed
> # Read is performed with Rev2 for F1 - Here as the file would be locally
> created the size would be different as the copying is in progress
> In such a case the logic should ensure that once copy is done the local file
> gets used
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