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Anoop Sam John commented on HBASE-24754: ---------------------------------------- HBASE-24850 will track generic CellComparator level improvement > Bulk load performance is degraded in HBase 2 > --------------------------------------------- > > Key: HBASE-24754 > URL: https://issues.apache.org/jira/browse/HBASE-24754 > Project: HBase > Issue Type: Bug > Components: Performance > Affects Versions: 2.2.3 > Reporter: Ajeet Rai > Assignee: ramkrishna.s.vasudevan > Priority: Major > Attachments: Branc2_withComparator_atKeyValue.patch, > Branch1.3_putSortReducer_sampleCode.patch, > Branch2_putSortReducer_sampleCode.patch, flamegraph_branch-1_new.svg, > flamegraph_branch-2.svg, flamegraph_branch-2_afterpatch.svg > > > in our Test,It is observed that Bulk load performance is degraded in HBase 2 . > Test Input: > 1: Table with 500 region(300 column family) > 2: data =2 TB > Data Sample > 18600000001201502051000000068110,18600000001,20150205,5,404,735412,2938,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111111111111111111111111111111111111111111111111111111111111111111111111111111111 > 3: Cluster: 7 node(2 master+5 Region Server) > 4: No of Container Launched are same in both case > HBase 2 took 10% more time then HBase 1.3 where test input is same for both > cluster > > |Feature|HBase 2.2.3 > Time(Sec)|HBase 1.3.1 > Time(Sec)|Diff%|Snappy lib: > | > |BulkLoad|21837|19686.16|-10.93|Snappy lib: > HBase 2.2.3: 1.4 > HBase 1.3.1: 1.4| -- This message was sent by Atlassian Jira (v8.3.4#803005)