100% CPU utilization

Type: Bug
Status: Closed
Priority: 2 Major
Resolution: Fixed
Component/s: ehcache-core
Labels:

Assignee: alexsnaps
Reporter: ian
Created: January 03, 2011
Votes: 0
Watchers: 2
Updated:
July 27, 2012
Resolved:
January 06, 2011

Attachments

ian (14.00 k) application/octet-stream dump
ian (12.00 k) application/octet-stream dump1
ian (12.00 k) application/octet-stream dump2

Description

Setting minWriteDelay=”0” in cache writer causes 100% CPU utilization by write-behind thread when no puts are preformed and write-behind queue is empty.

Full configuration:

Comments

Saravanan Subbiah 2011-01-03

Can you please take a couple of thread dumps (using kill -3 or jstack) when the cpu is 100% and attach it to the jira ?

Ian Kundil 2011-01-03

3 consequent dumps attached. app contains 4 caches with same behaviour, you can see 4 write-behind threads in each dump.

Alexander Snaps 2011-01-06

r26310 for tim-ehcache