[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-25 Thread Heng Chen (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15391520#comment-15391520 ] Heng Chen commented on HBASE-16278: --- I don't think use {{ByteArrayWrapper}} as [~Apache9] said above

[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-25 Thread Hiroshi Ikeda (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15391480#comment-15391480 ] Hiroshi Ikeda commented on HBASE-16278: --- Creating an object itself are quite light-weight and that

[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-24 Thread Duo Zhang (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15391387#comment-15391387 ] Duo Zhang commented on HBASE-16278: --- [~ikeda] One problem is that, we may use a byte[] as key multiple

[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-24 Thread stack (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15391123#comment-15391123 ] stack commented on HBASE-16278: --- Makes sense [~Apache9] > Use ConcurrentHashMap instead of

[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-23 Thread Duo Zhang (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15390945#comment-15390945 ] Duo Zhang commented on HBASE-16278: --- [~stack] We can find unnecessary CSLM in code and open sub tasks

[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-23 Thread stack (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15390800#comment-15390800 ] stack commented on HBASE-16278: --- +1 Anything you want me to try on a cluster? Anything that would

[jira] [Commented] (HBASE-16278) Use ConcurrentHashMap instead of ConcurrentSkipListMap if possible

2016-07-23 Thread Duo Zhang (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15390594#comment-15390594 ] Duo Zhang commented on HBASE-16278: --- This the test result on a machine with 2 * E5-2630 v2, 128G RAM.