[CASSANDRA-10357] mmap file boundary selection is broken for some large files

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.1.10, 2.2.2
• Severity: Normal
• Since Version: 2.1.5
• Assignee: Benedict Elliott Smith
• Reporter: Benedict Elliott Smith

Authors

Benedict Elliott Smith

Reviewers

T Jake Luciani

• Created: 16/Sep/15 17:38
• Updated: 16/Apr/19 09:30
• Resolved: 30/Sep/15 18:54

Description

If an early open interval occurs to close to an mmap boundary, the boundary can be lost. Patch available here.

Issue Links

• is broken by: CASSANDRA-6916 Preemptive opening of compaction result
• is duplicated by: CASSANDRA-9619 Read performance regression in tables with many columns on trunk and 2.2 vs. 2.1