[HDFS-10798] Make the threshold of reporting FSNamesystem lock contention configurable - ASF JIRA

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Details

Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.8.0, 2.7.4, 3.0.0-alpha1
Component/s: logging, namenode
Labels:
- newbie

Target Version/s:

2.7.4
Hadoop Flags:

Reviewed

Description

Currently FSNamesystem#WRITELOCK_REPORTING_THRESHOLD is set at 1 second. In a busy system a lower overhead might be desired. In other scenarios, more aggressive reporting might be desired. We should make the threshold configurable.

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HDFS-10789.001.patch
26/Aug/16 00:51
7 kB
Erik Krogen
HDFS-10789.002.patch
26/Aug/16 17:28
7 kB
Erik Krogen

Issue Links

relates to

HDFS-9145 Tracking methods that hold FSNamesystemLock for too long

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People

Assignee:: Erik Krogen

Reporter:: Zhe Zhang

Votes:: 0 Vote for this issue

Watchers:: 8 Start watching this issue

Dates

Created:: 25/Aug/16 16:57

Updated:: 28/Feb/17 01:00

Resolved:: 26/Aug/16 21:35