Jerry He created HBASE-11632:
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Summary: Region split needs to clear force split flag at the end
of SplitRequest run
Key: HBASE-11632
URL: https://issues.apache.org/jira/browse/HBASE-11632
Project: HBase
Issue Type: Bug
Components: regionserver
Affects Versions: 0.99.0, 0.98.5
Reporter: Jerry He
Assignee: Jerry He
Priority: Minor
force split flag is used when a user requests region split and specifies a
split key.
{code}
region.forceSplit(splitPoint);
{code}
We need to clear force split flag at the end of SplitRequest run. If the region
split is successful, this parent region will go away and there is no need to
clear this flag. But we will have problem when the split is not successful or
rejected. Here is the case:
1. User requested region split at rownkey-n.
2. We set forceSplit in the region with rownkey-n.
3. The split request got rejected because the region had references.
4. After a while, there was a system request split for the same region.
5. The region would use forceSplit and rownkey-n to split. What should have
happened is that the region split is done based on system split policy.
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