[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-11 Thread Adar Dembo (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861746#comment-16861746 ] Adar Dembo commented on KUDU-749: - [~ZhangYao]'s patch has been merged and will be part of the 1.10.0

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-04 Thread ZhangYao (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16856350#comment-16856350 ] ZhangYao commented on KUDU-749: --- Here is the patch:)  [https://gerrit.cloudera.org/#/c/13516/] > Improve

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-04 Thread ZhangYao (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16856257#comment-16856257 ] ZhangYao commented on KUDU-749: --- Oops:(,I mistakenly reversed the result. The average latency decreases by

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-04 Thread Adar Dembo (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16856172#comment-16856172 ] Adar Dembo commented on KUDU-749: - [~ZhangYao] did you reverse the results? Or did the average latency

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-04 Thread ZhangYao (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16855686#comment-16855686 ] ZhangYao commented on KUDU-749: --- Hi, Todd, :) According to your advice I have implemented "seek before"

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-03 Thread ZhangYao (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16855265#comment-16855265 ] ZhangYao commented on KUDU-749: --- Hi, Todd, thanks for your advice :). I will try to implement "seek before"

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-03 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16854764#comment-16854764 ] Todd Lipcon commented on KUDU-749: -- Hi [~ZhangYao]. That makes sense to me -- maybe the POC will expose

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-06-02 Thread ZhangYao (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16854190#comment-16854190 ] ZhangYao commented on KUDU-749: --- Hi, Todd:). In order to accelerate the time spending on

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-05-29 Thread Grant Henke (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16850922#comment-16850922 ] Grant Henke commented on KUDU-749: -- [~wdberkeley_impala_f7d4] you recently talked about more general

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2019-05-29 Thread Xu Yao (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16850574#comment-16850574 ] Xu Yao commented on KUDU-749: - This problem also exists in our production environment. The reason for this

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2018-04-03 Thread Paul Brannan (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16424240#comment-16424240 ] Paul Brannan commented on KUDU-749: --- My mistake; it was the apply thread, not the MaintenanceManager. >

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2018-03-28 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16418186#comment-16418186 ] Todd Lipcon commented on KUDU-749: -- [~cout] you sure the MaintenanceManager is spending time in

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2018-03-27 Thread Paul Brannan (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16415717#comment-16415717 ] Paul Brannan commented on KUDU-749: --- We have observed the same behavior for an update-heavy workload;

[jira] [Commented] (KUDU-749) Improve performance for zipfian update

2017-09-27 Thread Todd Lipcon (JIRA)
[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16182119#comment-16182119 ] Todd Lipcon commented on KUDU-749: -- FWIW this is still a pretty bad issue for YCSB workload A (zipfian