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From "srinivasu gottipati (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9326) Seeing tombstone warning message
Date Fri, 22 May 2015 05:13:17 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14555586#comment-14555586
] 

srinivasu gottipati commented on CASSANDRA-9326:
------------------------------------------------

We are stuck with this issue, I checked Cassandra-7272 and it is fixed in 2.2.0x, also don't
see sstablelevelreset not available in 2.0.14.
Scrub/repairs didn't help us and we are in LCS.

May I know, is there workaround to clear up this tombstones in 2.0.14 (Like adjusting sstable
sizes (or) using unchecked_tombstone_compaction, any other recommendations)? 

I really appreciate your help on this.

> Seeing tombstone warning message
> --------------------------------
>
>                 Key: CASSANDRA-9326
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9326
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: srinivasu gottipati
>            Priority: Minor
>             Fix For: 2.0.x
>
>
> We deleted data for some of the rows in one of the column families. 
> After that we ran repair on all nodes, and followed by reducing gc_grace_seconds that
way compaction can remove all the tombstones upon expiry of gc_grace_seconds time. 
> When we are querying the data now, seeing the following errors:
> WARN [ReadStage:1142] 2015-05-06 17:50:53,602 SliceQueryFilter.java (line 231) Read 1
live and 1487 tombstoned cells in XXXX (see tombstone_warn_threshold). 10001 columns was requested,
slices=[-], delInfo={deletedAt=-9223372036854775808, localDeletion=2147483647} 
> We deleted this data while back and for sure gc_grace_seconds is elapsed long time back
and we use leveled compaction. In the above, errors, localDeletion points to some time in
future (MAX INT VALUE) and that could be the reason these are n't being purged. Any help (or)
workaround is appreciated.



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