[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17559154#comment-17559154 ] zhengsicheng commented on HBASE-26981: --  PR HBASE-27146 Prepare to merge to online version and run

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558378#comment-17558378 ] Duo Zhang commented on HBASE-26981: --- I can not recall the full logic of hbase-1.x but IIRC, we used to

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558373#comment-17558373 ] zhengsicheng commented on HBASE-26981: -- [~zhangduo]  The PR for HBASE-27146 does reduce the

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558371#comment-17558371 ] zhengsicheng commented on HBASE-26981: -- [~zhangduo] I did an extreme test, the client concurrently

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558364#comment-17558364 ] zhengsicheng commented on HBASE-26981: -- top -H -p rs_pid !image-2022-06-24-14-57-10-424.png! new

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558356#comment-17558356 ] Duo Zhang commented on HBASE-26981: --- What about the qps? Do we have higher qps then before? Checked

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558350#comment-17558350 ] zhengsicheng commented on HBASE-26981: -- [~zhangduo] Still getting high CPU， new  flame graph

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558285#comment-17558285 ] zhengsicheng commented on HBASE-26981: -- Very good, thanks you [~zhangduo]  I will test it to see

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558206#comment-17558206 ] Huaxiang Sun commented on HBASE-26981: -- [~zhengsicheng] We enabled the LoadBalance mode on some

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558088#comment-17558088 ] Duo Zhang commented on HBASE-26981: --- The PR for HBASE-27146 is ready, please have a try if you have

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17558057#comment-17558057 ] zhengsicheng commented on HBASE-26981: -- Hi [~huaxiaolong] meta replica LoadBalance mode ，How's the

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17556942#comment-17556942 ] Huaxiang Sun commented on HBASE-26981: -- Meta scan is cpu heavy operation. We identified this issue

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17556906#comment-17556906 ] Duo Zhang commented on HBASE-26981: --- Filed HBASE-27146 for avoiding CellUtil.cloneRow > The CPU usage

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17555862#comment-17555862 ] zhengsicheng commented on HBASE-26981: -- [~bbeaudreault]  Hi  Bryan Beaudreault this problem is

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17540333#comment-17540333 ] Andrew Kyle Purtell commented on HBASE-26981: - Unscheduling from upcoming releases until

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17539566#comment-17539566 ] Bryan Beaudreault commented on HBASE-26981: --- Hi [~zhengsicheng] , thanks for your work here.

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17528870#comment-17528870 ] ramkrishna.s.vasudevan commented on HBASE-26981: Thanks for the analysis [~zhengsicheng]

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17528787#comment-17528787 ] Duo Zhang commented on HBASE-26981: --- OK, so MetaCellComparatator is the problem. We need to copy byte

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17528775#comment-17528775 ] zhengsicheng commented on HBASE-26981: -- [~zhangduo]  Thanks for the analysis > The CPU usage of

[jira] [Commented] (HBASE-26981) The CPU usage of the regionserver node where the meta table is located is too high

[ https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17528765#comment-17528765 ] zhengsicheng commented on HBASE-26981: -- Analyze CPU consumption by flame graph