[OAK-4501] Avoid reading segment when reading strings and the string is in the cache

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.17, 1.4.0
• Component/s: segmentmk
• Assignee: Alex Deparvu
• Reporter: Alex Deparvu
• Created: 23/Jun/16 15:41
• Updated: 15/Jul/16 04:37
• Resolved: 23/Jun/16 15:45

Description

Partial backport of OAK-3330, focused only on the Segment#readString optimization. Unfortunately OAK-3330 has 2 other commits which are nearly impossible to port, so I'm going to cherrypick the change I'm interested in, which is sufficiently decoupled to have its own dedicated issue.

Issue Links

• Is contained by: OAK-3330 FileStore lock contention with concurrent writers