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From "Nikolai Grigoriev (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-6528) TombstoneOverwhelmingException is thrown while populating data in recently truncated CF
Date Thu, 26 Dec 2013 18:11:50 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13856971#comment-13856971
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Nikolai Grigoriev edited comment on CASSANDRA-6528 at 12/26/13 6:10 PM:
------------------------------------------------------------------------

I will do it next time when I repeat the same exercise. 


was (Author: ngrigoriev):
I can do it next time when I repeat the same exercise. Do you want the log level to be set
to DEBUG for the entire server or for  a particular package prefix?

> TombstoneOverwhelmingException is thrown while populating data in recently truncated
CF
> ---------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6528
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6528
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: Cassadra 2.0.3, Linux, 6 nodes
>            Reporter: Nikolai Grigoriev
>            Priority: Minor
>
> I am running some performance tests and recently I had to flush the data from one of
the tables and repopulate it. I have about 30M rows with a few columns in each, about 5kb
per row in in total. In order to repopulate the data I do "truncate <table>" from CQLSH
and then relaunch the test. The test simply inserts the data in the table, does not read anything.
Shortly after restarting the data generator I see this on one of the nodes:
> {code}
>  INFO [HintedHandoff:655] 2013-12-26 16:45:42,185 HintedHandOffManager.java (line 323)
Started hinted handoff f
> or host: 985c8a08-3d92-4fad-a1d1-7135b2b9774a with IP: /10.5.45.158
> ERROR [HintedHandoff:655] 2013-12-26 16:45:42,680 SliceQueryFilter.java (line 200) Scanned
ove
> r 100000 tombstones; query aborted (see tombstone_fail_threshold)
> ERROR [HintedHandoff:655] 2013-12-26 16:45:42,680 CassandraDaemon.java (line 187) Exception
in thread Thread[HintedHandoff:655,1,main]
> org.apache.cassandra.db.filter.TombstoneOverwhelmingException
>         at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:201)
>         at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:122)
>         at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:80)
>         at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:72)
>         at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:297)
>         at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:56)
>         at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1487)
>         at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1306)
>         at org.apache.cassandra.db.HintedHandOffManager.doDeliverHintsToEndpoint(HintedHandOffManager.java:351)
>         at org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:309)
>         at org.apache.cassandra.db.HintedHandOffManager.access$4(HintedHandOffManager.java:281)
>         at org.apache.cassandra.db.HintedHandOffManager$4.run(HintedHandOffManager.java:530)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:724)
>  INFO [OptionalTasks:1] 2013-12-26 16:45:53,946 MeteredFlusher.java (line 63) flushing
high-traffic column family CFS(Keyspace='test_jmeter', ColumnFamily='test_profiles') (estimated
192717267 bytes)
> {code}
> I am inserting the data with CL=1.
> It seems to be happening every time I do it. But I do not see any errors on the client
side and the node seems to continue operating, this is why I think it is not a major issue.
Maybe not an issue at all, but the message is logged as ERROR.



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