[BOOKKEEPER-850] Use nanoseconds to calculate poll timeout when doing group commit

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.3.0
• Fix Version/s: 4.4.0
• Assignee: Matteo Merli
• Reporter: Matteo Merli
• Created: 10/Apr/15 21:41
• Updated: 16/May/16 21:47
• Resolved: 21/Apr/15 07:24

Description

When using group commit to reduce the number of fsync operations in the bookie journal, the timeout is rounded to the next millisecond.

If the group commit is set to 1ms, that would mean that the effective wait time will be closer to 2ms.

Issue Links

• requires: BOOKKEEPER-849 Collect stats with sub-milliseconds precision