Nick Dimiduk created HBASE-25744: ------------------------------------ Summary: Change default of `hbase.normalizer.merge.min_region_size.mb` to `0` Key: HBASE-25744 URL: https://issues.apache.org/jira/browse/HBASE-25744 Project: HBase Issue Type: Improvement Components: master, Normalizer Affects Versions: 3.0.0-alpha-1, 2.5.0 Reporter: Nick Dimiduk Assignee: Nick Dimiduk
The current default value is {{1}}, which means normalizer will leave regions of 0-1mb size hanging around. We should set this down to {{0}} so that these small regions go away by default. As I recall, the value was set as it is in order to prevent the normalizer from merging up regions immediately after an operator creates a pre-split table. IMHO, this use case is more than covered by these other configurations with their default values: * {{hbase.normalizer.min.region.count=3}} * {{hbase.normalizer.merge.min_region_age.days=3}} For details, see * http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/master/normalizer/package-summary.html#package.description * http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.html -- This message was sent by Atlassian Jira (v8.3.4#803005)