[ZOOKEEPER-3062] introduce fsync.warningthresholdms constant for FileTxnLog LOG.warn message

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.5.4, 3.6.0, 3.4.13
• Fix Version/s: 3.6.0, 3.5.5, 3.4.14
• Labels: pull-request-available
• Hadoop Flags: Reviewed
• Assignee: Christine Poerschke
• Reporter: Christine Poerschke
• Created: 13/Jun/18 13:45
• Updated: 04/Oct/19 14:55
• Resolved: 01/Aug/18 19:23

Description

The

fsync-ing the write ahead log in ... took ... ms which will adversely effect operation latency. File size is ... bytes. See the ZooKeeper troubleshooting guide

warning mentioning the fsync.warningthresholdms configurable property would make it easier to discover and also when interpreting historical vs. current logs or logs from different ensembles then differences in configuration would be easier to spot.

Issue Links

• links to: GitHub Pull Request #566