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Bug 189961 - 27s in system I/O
27s in system I/O
Product: projects
Classification: Unclassified
Component: Maven
All All
: P3 (vote)
Assigned To: Antonin Nebuzelsky
EXCEPTIONS_REPORT perf-profileme
Depends on:
  Show dependency treegraph
Reported: 2010-08-28 10:00 UTC by Exceptions Reporter
Modified: 2010-09-21 12:23 UTC (History)
3 users (show)

See Also:
Issue Type: DEFECT

nps snapshot (8.20 KB, application/nps)
2010-08-28 10:00 UTC, Exceptions Reporter

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Description Exceptions Reporter 2010-08-28 10:00:03 UTC
Build: NetBeans IDE 6.9.1 (Build 201007282301)
VM: Java HotSpot(TM) Client VM, 16.3-b01, Java(TM) SE Runtime Environment, 1.6.0_20-b02
OS: Windows XP

User Comments:
GUEST: Compling Vaadin Widgetset on Maven Build

XVilka: adding assembler sources as existing project

Maximum slowness yet reported was 27532 ms, average is 8090
Comment 1 Exceptions Reporter 2010-08-28 10:00:07 UTC
Created attachment 101729 [details]
nps snapshot
Comment 2 Jaroslav Tulach 2010-08-29 16:51:11 UTC
AWT thread is blocked by Maven. There are other two threads releated to maven that do something. Except maven, there does not seem to be any othe activity.
Comment 3 Antonin Nebuzelsky 2010-09-21 12:23:39 UTC
All the snapshots show enormous time spent in system I/O calls.

e.g. >5000ms spent in two calls to, and similar.

System is overloaded with other processes doing I/O.

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