Huaxiang Sun created HBASE-24376: ------------------------------------ Summary: MergeNormalizer is merging non-adjacent regions and causing region overlaps/holes. Key: HBASE-24376 URL: https://issues.apache.org/jira/browse/HBASE-24376 Project: HBase Issue Type: Bug Components: master Affects Versions: 2.3.0 Reporter: Huaxiang Sun Assignee: Huaxiang Sun
Currently, we found normalizer was merging regions which are non-adjacent, it will cause inconsistencies in the cluster. {code:java} 439055 2020-05-08 17:47:09,814 INFO org.apache.hadoop.hbase.master.normalizer.MergeNormalizationPlan: Executing merging normalization plan: MergeNormalizationPlan{firstRegion={ENCODED => 47fe236a5e3649ded95cb64ad0c08492, NAME => 'TABLE,\x03\x01\x05\x01\x04\x02,1554838974870.47fe236a5e3649ded95cb64ad 0c08492.', STARTKEY => '\x03\x01\x05\x01\x04\x02', ENDKEY => '\x03\x01\x05\x01\x04\x02\x01\x02\x02201904082200\x00\x00\x03Mac\x00\x00\x00\x00\x00\x00\x00\x00\x00iMac13,1\x00\x00\x00\x00\x00\x049.3-14E260\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x05'}, secondRegion={ENCODED => 0c0f2aa67f4329d5c4 8ba0320f173d31, NAME => 'TABLE,\x03\x01\x05\x02\x01\x01,1554830735526.0c0f2aa67f4329d5c48ba0320f173d31.', STARTKEY => '\x03\x01\x05\x02\x01\x01', ENDKEY => '\x03\x01\x05\x02\x01\x02'}} 439056 2020-05-08 17:47:11,438 INFO org.apache.hadoop.hbase.ScheduledChore: CatalogJanitor-*****:16000 average execution time: 1676219193 ns. 439057 2020-05-08 17:47:11,730 INFO org.apache.hadoop.hbase.master.HMaster: Client=null/null merge regions [47fe236a5e3649ded95cb64ad0c08492], [0c0f2aa67f4329d5c48ba0320f173d31] {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)