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https://issues.apache.org/jira/browse/CASSANDRA-15069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Shuler updated CASSANDRA-15069:
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Fix Version/s: (was: 3.11.3)
3.11.x
> Tombstone/Partition not purged after gc_grace_seconds
> -----------------------------------------------------
>
> Key: CASSANDRA-15069
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15069
> Project: Cassandra
> Issue Type: Bug
> Components: Local/Compaction, Local/SSTable
> Reporter: Pedro Gordo
> Priority: Normal
> Fix For: 3.11.x
>
> Attachments: schema.cql, sstables.tar
>
>
> During a tombstone purge (reducing gc_grace_seconds to zero and running
> `nodetool garbagecollect`), I noticed that when doing a dump of the SSTable,
> sometimes, there are a few partitions that do not get completely purged, even
> with gc_grace_seconds set to zero. I was able to replicate this in a small
> test dataset, from which I have attached the SSTable files and the schema to
> this ticket so that you can verify this as well.
> Doing a dump of the mc-51-big-Data.db file, you'll notice the following
> partition:
> {
> "partition" : {
> "key" : [ "96" ],
> "position" : 285,
> "deletion_info" : { "marked_deleted" : "2019-03-14T21:31:55.244490Z",
> "local_delete_time" : "2019-03-14T21:31:55Z" }
> },
> "rows" : [ ]
> },
> As you can see, the rows were removed correctly by the garbagecollect, but
> the partition record, continues there, and never goes away.
> From the client side, no data is returned, so it's good there. But regardless
> of that, this partition should not be present in the SSTable file.
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