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From "Soumya Sanyal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13176) DROP INDEX seemingly doesn't stop existing Index build
Date Wed, 01 Feb 2017 19:46:51 GMT
Soumya Sanyal created CASSANDRA-13176:
-----------------------------------------

             Summary: 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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