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https://issues.apache.org/jira/browse/HBASE-20111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16415844#comment-16415844
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Ted Yu commented on HBASE-20111:
--------------------------------
{code}
+ // Even after setting force split if split policy says no to split
then we should not split.
+ shouldSplit = region.getSplitPolicy().shouldSplit() &&
!(info.isMetaRegion());
bestSplitRow = r.checkSplit();
{code}
{{checkSplit}} already has check w.r.t. system tables:
{code}
if (this.getRegionInfo().isMetaRegion() ||
TableName.NAMESPACE_TABLE_NAME.equals(this.getRegionInfo().getTable()))
{
{code}
It seems {{shouldSplit}} should take into account the value of {{bestSplitRow}}
- if {{bestSplitRow}} is null, {{shouldSplit}} should be false.
> Able to split region explicitly even on shouldSplit return false from split
> policy
> ----------------------------------------------------------------------------------
>
> Key: HBASE-20111
> URL: https://issues.apache.org/jira/browse/HBASE-20111
> Project: HBase
> Issue Type: Bug
> Reporter: Rajeshbabu Chintaguntla
> Assignee: Rajeshbabu Chintaguntla
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-20111.001.branch-2.0.patch, HBASE-20111.patch,
> HBASE-20111_test.patch, HBASE-20111_v2.patch, HBASE-20111_v3.patch
>
>
> Currently able to split the region explicitly even when the split policy
> returns from shouldSplit.
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