Marcus Eriksson created CASSANDRA-11412:
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Summary: Many sstablescanners opened during repair
Key: CASSANDRA-11412
URL: https://issues.apache.org/jira/browse/CASSANDRA-11412
Project: Cassandra
Issue Type: Improvement
Reporter: Marcus Eriksson
Since CASSANDRA-5220 we open [one sstablescanner per range per
sstable|https://github.com/apache/cassandra/blob/cassandra-3.0/src/java/org/apache/cassandra/db/compaction/CompactionStrategyManager.java#L374].
If compaction gets behind and you are running vnodes with 256 tokens and RF3,
this could become a problem (ie, {{768 * number of sstables}} scanners)
We could probably refactor this similar to the way we handle scanners with LCS
- only open the scanner once we need it
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