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Joshua McKenzie updated CASSANDRA-13258: ---------------------------------------- Issue Type: Improvement (was: Task) > Rethink read-time defragmentation introduced in 1.1 (CASSANDRA-2503) > -------------------------------------------------------------------- > > Key: CASSANDRA-13258 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13258 > Project: Cassandra > Issue Type: Improvement > Reporter: Nate McCall > > tl,dr; we issue a Mutation(!) on a read when using STCS and there are more > than minCompactedThreshold SSTables encountered by the iterator. (See > org/apache/cassandra/db/SinglePartitionReadCommand.java:782) > I can see a couple of use cases where this *might* be useful, but from a > practical stand point, this is an excellent way to exacerbate compaction > falling behind. > With the introduction of other, purpose built compaction strategies, I would > be interested to hear why anyone would consider this still a good idea. Note > that we only do it for STCS so at best, we are inconsistent. > There are some interesting comments on CASSANDRA-10342 regarding this as well. -- This message was sent by Atlassian JIRA (v6.3.15#6346)