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https://issues.apache.org/jira/browse/SOLR-6184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039320#comment-14039320
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Shawn Heisey commented on SOLR-6184:
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Would the commitReserveDuration parameter on the replication handler be useful
in keeping Solr from deleting the commit point that is being replicated until
after the replication is complete? Normally it's not recommended to have any
config parameters for replication, but if a very large index is having problems
recovering when there is a lot of update activity, perhaps that would be an
exception.
> Replication fetchLatestIndex always failed, that will occur the recovery
> error.
> -------------------------------------------------------------------------------
>
> Key: SOLR-6184
> URL: https://issues.apache.org/jira/browse/SOLR-6184
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.6, 4.6.1
> Environment: the index file size is more than 70G
> Reporter: Raintung Li
> Attachments: Solr-6184.txt
>
>
> Usually the copy full index 70G need 20 minutes at least, 100M read/write
> network or disk r/w. If in the 20 minutes happen one hard commit, that means
> the copy full index snap pull will be failed, the temp folder will be removed
> because it is failed pull task.
> In the production, update index will happen in every minute, redo pull task
> always failed because index always change.
> And also always redo the pull it will occur the network and disk usage keep
> the high level.
> For my suggestion, the fetchLatestIndex can be do again in some frequency.
> Don't need remove the tmp folder, and copy the largest index at first. Redo
> the fetchLatestIndex don't download the same biggest file again, only will
> copy the commit index just now, at last the task will be easy success.
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