Alan Wang created CASSANDRA-21832:
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Summary: Memory for an SSTable's index summary can be under
allocated
Key: CASSANDRA-21832
URL: https://issues.apache.org/jira/browse/CASSANDRA-21832
Project: Apache Cassandra
Issue Type: Improvement
Reporter: Alan Wang
Assignee: Alan Wang
For SSTables using the BIG format, we use each SSTable's read rate to determine
how much memory to allocate for a SSTable’s index summary. SSTables that are
read more frequently get more memory. However, the metric used in determining
this value undercounts as we do not factor in the times when a lookup is a
false positive from the bloom filter.
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