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Yuki Morishita updated CASSANDRA-5906: -------------------------------------- Attachment: 5906.txt (also: https://github.com/yukim/cassandra/tree/5906-v3) Attaching patch for review. * implemented on top of CASSANDRA-6356 * updated stream-lib to v2.5.1 (latest) HLL++ parameters are p=13, sp=25 from my observation above. > Avoid allocating over-large bloom filters > ----------------------------------------- > > Key: CASSANDRA-5906 > URL: https://issues.apache.org/jira/browse/CASSANDRA-5906 > Project: Cassandra > Issue Type: Improvement > Components: Core > Reporter: Jonathan Ellis > Assignee: Yuki Morishita > Fix For: 2.1 > > Attachments: 5906.txt > > > We conservatively estimate the number of partitions post-compaction to be the > total number of partitions pre-compaction. That is, we assume the worst-case > scenario of no partition overlap at all. > This can result in substantial memory wasted in sstables resulting from > highly overlapping compactions. -- This message was sent by Atlassian JIRA (v6.1.4#6159)