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https://issues.apache.org/jira/browse/CASSANDRA-6434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068592#comment-14068592
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Jonathan Ellis commented on CASSANDRA-6434:
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We could approximate it as max(repairtime) for any sstable that may contain the
key. (And we already have the logic that says, "checking bloom filters is
expensive so avoid it until the last minute.")
> Repair-aware gc grace period
> -----------------------------
>
> Key: CASSANDRA-6434
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6434
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: sankalp kohli
> Assignee: Marcus Eriksson
> Fix For: 3.0
>
>
> Since the reason for gcgs is to ensure that we don't purge tombstones until
> every replica has been notified, it's redundant in a world where we're
> tracking repair times per sstable (and repairing frequentily), i.e., a world
> where we default to incremental repair a la CASSANDRA-5351.
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