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Posted to dev@hbase.apache.org by "Biju Nair (JIRA)" <ji...@apache.org> on 2018/05/22 14:26:00 UTC
[jira] [Created] (HBASE-20613) Limiting region count results in
large size regions
Biju Nair created HBASE-20613:
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Summary: Limiting region count results in large size regions
Key: HBASE-20613
URL: https://issues.apache.org/jira/browse/HBASE-20613
Project: HBase
Issue Type: Bug
Components: regionserver
Reporter: Biju Nair
Restricting the total number of regions in a {{namespace}}, results in large regions. Not sure whether it is by design i.e. restrict the number of region even if the region sizes grow large. Steps to recreate.
- Create a namespace with restriction on the number of regions
{noformat}
create_namespace 'ns2', {'hbase.namespace.quota.maxtables'=>'2','hbase.namespace.quota.maxregions'=>'5'}{noformat}
- Create a table and run {{PE}} to load data. The table can be created with a small _hbase_._hregion_._max_._filesize_
- After 5 regions, the region size grows beyond _hbase_._hregion_._max_._filesize._ Since the region count restriction prevents splits, the region size grows
Will it be better to gracefully error out when regions can't be split?
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