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From "Dikang Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6216) Level Compaction should persist last compacted key per level
Date Mon, 22 Aug 2016 23:57:21 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15431816#comment-15431816
] 

Dikang Gu commented on CASSANDRA-6216:
--------------------------------------

[~krummas], thanks for the review! Addressed your comments and here are the latest patch,
https://github.com/DikangGu/cassandra/commit/928a9ea5621c1405c5ac07f4dc26c616206277cf.

I also manually tested it, seems fine.

> Level Compaction should persist last compacted key per level
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-6216
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6216
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: sankalp kohli
>            Assignee: Dikang Gu
>            Priority: Minor
>              Labels: compaction, lcs
>         Attachments: JIRA-6216.diff
>
>
> Level compaction does not persist the last compacted key per level. This is important
for higher levels. 
> The sstables with higher token and in higher levels wont get a chance to compact as the
last compacted key will get reset after a restart.    



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