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https://issues.apache.org/jira/browse/CASSANDRA-20846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18015500#comment-18015500
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Caleb Rackliffe commented on CASSANDRA-20846:
---------------------------------------------
Thanks for the report!
Do you have any other information around the cluster size, keyspace (i.e.
replication factor), table schema, and consistency level of your reads?
This particular error is only thrown when strict filtering isn't possible from
the coordinator's perspective. (ex. Strict filtering would be trivially allowed
on a single-node cluster or at CL LOCAL_ONE/ONE, for instance. See the JavaDoc
just above the link you've posted.)
> Unreliable query plan
> ---------------------
>
> Key: CASSANDRA-20846
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20846
> Project: Apache Cassandra
> Issue Type: Bug
> Reporter: Andrew Grosser
> Priority: Normal
>
> I am getting this error sometimes - very unreliably for the same query /
> structure which is frightening:
> [https://github.com/apache/cassandra/blob/9d5cef7f8c6c749d3f2b71fc1f6fae1ee086c2ae/src/java/org/apache/cassandra/index/sai/plan/StorageAttachedIndexQueryPlan.java#L89]
>
> select count(1) as count from xxx where is_deleted=false and ckey_type='lll'
> and cobj='org' and ctype='ggg' and oid=5403ef72-6e59-11f0-9018-465a9786c25e
> and key in ('asdasd','asdasd') allow filtering ;
>
> oid is the PK, and key is an SAI indexed col
>
> The weird thing is this sometimes / not all the time triggers an error :(
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