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From "Alex Petrov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CASSANDRA-13176) DROP INDEX seemingly doesn't stop existing Index build
Date Fri, 07 Jul 2017 15:00:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Petrov reassigned CASSANDRA-13176:
---------------------------------------

    Assignee:     (was: Alex Petrov)

> DROP INDEX seemingly doesn't stop existing Index build
> ------------------------------------------------------
>
>                 Key: CASSANDRA-13176
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13176
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Compaction, CQL
>         Environment: CentOS Linux, JRE 1.8
>            Reporter: Soumya Sanyal
>
> There appears to be an edge case with secondary indexes (non SASI). I originally issued
a CREATE INDEX on a column, and upon listening to advice from folks in the #cassandra room,
decided against it, and issued a DROP INDEX. 
> I didn't check the cluster overnight, but this morning, I found out that our cluster
CPU usage was pegged around 80%. Looking at compaction stats, I saw that the index build was
still ongoing. We had to restart the entire cluster for the changes to take effect.
> Version: 3.9



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