[ https://issues.apache.org/jira/browse/HBASE-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lars Hofhansl updated HBASE-4583: --------------------------------- Release Note: This issue fixes MVCC issues with Increment and Append. To retain the current performance characteristics, VERSIONS should be set to 1 on column families with columns to be incremented/appended-to. If VERSIONS is > 1 historical versions are kept for timerange queries, but Increment/Appends will be slower due to changes accumulating the memstore leading to frequent flushes. was: This issue fixes MVCC issues with Increment and Append. To retain the current performance characteristics, VERSIONS should be set to 1 on column families with columns to be incremented/appended-to. > Integrate RWCC with Append and Increment operations > --------------------------------------------------- > > Key: HBASE-4583 > URL: https://issues.apache.org/jira/browse/HBASE-4583 > Project: HBase > Issue Type: Bug > Reporter: Lars Hofhansl > Assignee: Lars Hofhansl > Fix For: 0.96.0 > > Attachments: 4583-mixed.txt, 4583-mixed-v2.txt, 4583-mixed-v4.txt, > 4583-trunk-less-radical.txt, 4583-trunk-less-radical-v2.txt, > 4583-trunk-less-radical-v3.txt, 4583-trunk-less-radical-v4.txt, > 4583-trunk-less-radical-v5.txt, 4583-trunk-less-radical-v6.txt, > 4583-trunk-radical.txt, 4583-trunk-radical_v2.txt, 4583-trunk-v3.txt, > 4583.txt, 4583-v2.txt, 4583-v3.txt, 4583-v4.txt > > > Currently Increment and Append operations do not work with RWCC and hence a > client could see the results of multiple such operation mixed in the same > Get/Scan. > The semantics might be a bit more interesting here as upsert adds and removes > to and from the memstore. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira