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https://issues.apache.org/jira/browse/CASSANDRA-13738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jay Zhuang updated CASSANDRA-13738:
-----------------------------------
Attachment: (was: sizeIssue.png)
> Load is over calculated after each IndexSummaryRedistribution
> -------------------------------------------------------------
>
> Key: CASSANDRA-13738
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13738
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Jay Zhuang
> Assignee: Jay Zhuang
> Fix For: 3.0.x, 3.11.x, 4.x
>
>
> For example, here is one of our cluster with about 500GB per node, but
> {{nodetool status}} shows far more load than it actually is and keeps
> increasing:
> {noformat}
> Status=Up/Down
> |/ State=Normal/Leaving/Joining/Moving
> -- Address Load Tokens Owns (effective) Host ID
> Rack
> UN IP1***** 13.52 TB 256 100.0%
> c4c31e0a-3f01-49f7-8a22-33043737975d rac1
> UN IP2***** 14.25 TB 256 100.0%
> efec4980-ec9e-4424-8a21-ce7ddaf80aa0 rac1
> UN IP3***** 13.52 TB 256 100.0%
> 7dbcfdfc-9c07-4b1a-a4b9-970b715ebed8 rac1
> UN IP4***** 22.13 TB 256 100.0%
> 8879e6c4-93e3-4cc5-b957-f999c6b9b563 rac1
> UN IP5***** 18.02 TB 256 100.0%
> 4a1eaf22-4a83-4736-9e1c-12f898d685fa rac1
> UN IP6***** 11.68 TB 256 100.0%
> d633c591-28af-42cc-bc5e-47d1c8bcf50f rac1
> {noformat}
> !sizeIssue.png|test!
> The root cause is if the SSTable index summary is redistributed (typically
> executes hourly), the updated SSTable size is added again.
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