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https://issues.apache.org/jira/browse/HBASE-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17558378#comment-17558378
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Duo Zhang commented on HBASE-26981:
-----------------------------------
I can not recall the full logic of hbase-1.x but IIRC, we used to rely on
zookeeper to test whether a table exists, or is disabled? On 2.x, all the
traffic will go to meta.
> The CPU usage of the regionserver node where the meta table is located is too
> high
> ----------------------------------------------------------------------------------
>
> Key: HBASE-26981
> URL: https://issues.apache.org/jira/browse/HBASE-26981
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 2.3.4
> Reporter: zhengsicheng
> Priority: Major
> Attachments: 20220624-144119.html, image-2022-04-27-20-24-33-252.png,
> image-2022-04-27-20-45-09-227.png, image-2022-04-28-09-59-40-567.png,
> image-2022-06-24-14-48-26-451.png, image-2022-06-24-14-57-10-424.png, jstack,
> rs_jstack_202206241458.log
>
>
> When the read and write pressure is high, the CPU usage of the meta table
> node is too high
> !image-2022-04-28-09-59-40-567.png!
>
> !image-2022-04-27-20-24-33-252.png!
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