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https://issues.apache.org/jira/browse/SOLR-16348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17610721#comment-17610721
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David Smiley commented on SOLR-16348:
-------------------------------------
BTW the "skew factor" I described, to avoid concurrent splits, was somewhat
similarly implemented and referred to as the "splitFuzz" in IndexSizeTrigger in
the autoscaling framework in SOLR-12730. Although that approach adjusted the
ranges, here I think we can adjust the threshold, which I think is better.
> New SplitShard UpdateRequestProcessor
> -------------------------------------
>
> Key: SOLR-16348
> URL: https://issues.apache.org/jira/browse/SOLR-16348
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Components: UpdateRequestProcessors
> Reporter: David Smiley
> Priority: Major
>
> The
> [SplitShard|https://solr.apache.org/guide/solr/latest/deployment-guide/shard-management.html#splitshard]
> command is used to split a shard into smaller shards to get better query
> scalability, especially across multiple machines. The most practical way to
> use it is to split shards larger than a configured size. Of course shards
> don't just grow by themselves; they grow when data is added. Here I propose
> a new UpdateRequestProcessor that splits based on the shard size.
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