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https://issues.apache.org/jira/browse/CASSANDRA-6666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13907926#comment-13907926
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graham sanderson commented on CASSANDRA-6666:
---------------------------------------------

We have seen an issue where we get into the >100K tombstone state with the 
hints table also; It has happened more than once (worked around in 2.0.5 with 
manual compaction on all nodes of system.hints). 

One quick question... this patch will hopefully prevent us getting into this 
state in many cases, unless you have a huge number of hints for a node that is 
down for a very long time: since there is no auto-compaction, a large number of 
hints may have expired from TTL, thus preventing any further hint delivery.

This is OK if you bring the node back up as a fresh one, otherwise, I guess 
suggesting manual compaction is fine, or we could do a compact().get() on 
seeing a TombstoneOverwhelmingException?

> Avoid accumulating tombstones after partial hint replay
> -------------------------------------------------------
>
>                 Key: CASSANDRA-6666
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6666
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>              Labels: hintedhandoff
>             Fix For: 1.2.16, 2.0.6
>
>         Attachments: 6666.txt
>
>




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