[ https://issues.apache.org/jira/browse/CASSANDRA-5906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13831146#comment-13831146 ]
Matt Abrams commented on CASSANDRA-5906: ---------------------------------------- Link to bug I mentioned in previous comment: https://github.com/addthis/stream-lib/commit/5a9e9cc7f71e1eb49635df29bba67d905903f1b8 > 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 > > > 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#6144)