Increase index_interval and reopen sstables on low heap situations
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Key: CASSANDRA-2875
URL: https://issues.apache.org/jira/browse/CASSANDRA-2875
Project: Cassandra
Issue Type: Improvement
Components: Core
Affects Versions: 0.8.1
Reporter: Héctor Izquierdo
One of the reasons that can cause an OOM is key indexes. Of course you can tune
it, but that's after your node has crashed. Events like repair can cause a much
bigger memory pressure than expected on normal operation. As part of the
measures taken when heap is almost full it would be good if key indexes could
be shrank. I don't know how indexes are stored in memory but I guess it would
be possible to remove entries without rereading all sstables.
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