[CASSANDRA-5029] Add back bloom filter to LCS

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 1.2.0 rc1
• Assignee: Jonathan Ellis
• Reporter: Jonathan Ellis

Authors

Jonathan Ellis

Reviewers

Brandon Williams

• Created: 05/Dec/12 04:21
• Updated: 16/Apr/19 09:32
• Resolved: 05/Dec/12 05:18

Description

Even with LCS you're going to frequently have 6 or 7 levels, with data in only one or two of those. With randomly distributed writes you'll have overlapping sstables in the other levels so having a bloom filter will be good to avoid hitting disk.