[KUDU-1125] Reduce impact of enabling fsync on the master

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Feature Complete
• Fix Version/s: 1.6.0
• Component/s: master
• Labels: data-scalability
• Target Version/s: 1.5.0
• Code Review: http://gerrit.cloudera.org:8080/8090
• Assignee: Adar Dembo
• Reporter: Jean-Daniel Cryans
• Created: 08/Sep/15 18:46
• Updated: 05/Dec/19 18:58
• Resolved: 09/Oct/17 00:12

Description

First time running ITBLL since we enabled fsync in the master and I'm now seeing RPCs timing out because the master is always ERROR_SERVER_TOO_BUSY. In the log I can see a lot of elections going on and the queue is always full.

Issue Links

• is related to: KUDU-2182 Reenable WAL fsync in the master
• is related to: KUDU-1933 OpId index 32-bit overflow (was: Master crashes after too many TS re-registrations)