[jira] [Reopened] (HBASE-24742) Improve performance of SKIP vs SEEK logic
[ https://issues.apache.org/jira/browse/HBASE-24742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl reopened HBASE-24742: --- Lemme put this into branch-2 and master as well. > Improve performance of SKIP vs SEEK logic > - > > Key: HBASE-24742 > URL: https://issues.apache.org/jira/browse/HBASE-24742 > Project: HBase > Issue Type: Bug > Components: Performance, regionserver >Affects Versions: 3.0.0-alpha-1, 1.7.0, 2.4.0 >Reporter: Lars Hofhansl >Assignee: Lars Hofhansl >Priority: Major > Fix For: 1.7.0 > > Attachments: hbase-1.6-regression-flame-graph.png, > hbase-24742-branch-1.txt > > > In our testing of HBase 1.3 against the current tip of branch-1 we saw a 30% > slowdown in scanning scenarios. > We tracked it back to HBASE-17958 and HBASE-19863. > Both add comparisons to one of the tightest HBase has. > [~bharathv] -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Reopened] (HBASE-24742) Improve performance of SKIP vs SEEK logic
[ https://issues.apache.org/jira/browse/HBASE-24742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Nick Dimiduk reopened HBASE-24742: -- Reopen for 2.3 backport, https://github.com/apache/hbase/pull/2081 > Improve performance of SKIP vs SEEK logic > - > > Key: HBASE-24742 > URL: https://issues.apache.org/jira/browse/HBASE-24742 > Project: HBase > Issue Type: Bug > Components: Performance, regionserver >Affects Versions: 3.0.0-alpha-1, 1.7.0, 2.4.0 >Reporter: Lars Hofhansl >Assignee: Lars Hofhansl >Priority: Major > Fix For: 3.0.0-alpha-1, 1.7.0, 2.4.0, 2.1.10, 2.2.6 > > Attachments: 24742-master.txt, hbase-1.6-regression-flame-graph.png, > hbase-24742-branch-1.txt > > > In our testing of HBase 1.3 against the current tip of branch-1 we saw a 30% > slowdown in scanning scenarios. > We tracked it back to HBASE-17958 and HBASE-19863. > Both add comparisons to one of the tightest HBase has. > [~bharathv] -- This message was sent by Atlassian Jira (v8.3.4#803005)