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From Benjamin Knoth <kn...@mpdl.mpg.de>
Subject 100 %cpu usage
Date Tue, 08 Feb 2011 08:13:50 GMT

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Hi all,
we use Archiva and we have problems with our cpu usage.
If i restart archiva everything is running fine. After 3-6 hours the
java process of archiva use 100% of the cpu from one to the next
moment. We had this problem on Archiva 1.3.1 and 1.3.3. On Archiva
1.3.1 it came after the 3-5 times where the db artefacts were updated.
The snapshot repository need 12 minutes. I deleted some snapshots.
Lasst week we updated it to 1.3.3 and now i can't find something
important on log. On the last 100% usage problem i got a message from
nagios the usage of cpu is critcal at 7:43 o'clock, but in the log i
found only this messages.

2011-02-08 07:00:13,123 [pool-2-thread-1] INFO
org.apache.maven.archiva.repositor
y.scanner.RepositoryScannerInstance  - Walk Started: [snapshots]
/data/archiva/rep
ositories/snapshots
2011-02-08 07:00:15,778 [pool-1-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaDatabaseUpdateTaskExecutor  - Task: Updating
processed artifacts
2011-02-08 07:00:18,778 [pool-2-thread-1] INFO
org.apache.maven.archiva.repositor
y.scanner.RepositoryScannerInstance  - Walk Finished: [snapshots]
/data/archiva/re
positories/snapshots
2011-02-08 07:00:18,778 [pool-2-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaRepositoryScanningTaskExecutor  - Finished
repository task:
.\ Scan of snapshots \.__________________________________________
  Repository Dir    : /data/archiva/repositories/snapshots
  Repository Name   : Archiva Managed Snapshot Repository
  Repository Layout : default
  Known Consumers   : (1 configured)
                      update-db-artifact (Total: 2592ms; Avg.: 1296;
Count: 2)
  Invalid Consumers : <none>
  Duration          : 5 Seconds 654 Milliseconds
  When Gathered     : 2/8/11 7:00 AM
  Total File Count  : 22879
  Avg Time Per File :
______________________________________________________________
2011-02-08 07:00:49,254 [pool-1-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaDatabaseUpdateTaskExecutor  - Finished database task
in 49230ms.
2011-02-08 08:00:00,022 [pool-1-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaDatabaseUpdateTaskExecutor  - Executing task from
queue with job
 name: DatabaseTask
2011-02-08 08:00:00,022 [pool-1-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaDatabaseUpdateTaskExecutor  - Task: Updating
unprocessed artifac
ts
2011-02-08 08:00:00,046 [pool-2-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaRepositoryScanningTaskExecutor  - Executing task
from queue with
 job name: RepositoryTask [repositoryId=internal, resourceFile=null,
scanAll=false
, updateRelatedArtifacts=false]
2011-02-08 08:00:00,119 [pool-2-thread-1] INFO
org.apache.maven.archiva.repositor
y.scanner.RepositoryScannerInstance  - Walk Started: [internal]
/data/archiva/repo
sitories/internal
2011-02-08 08:00:02,229 [pool-1-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaDatabaseUpdateTaskExecutor  - Task: Updating
processed artifacts
2011-02-08 08:00:10,753 [pool-2-thread-1] INFO
org.apache.maven.archiva.repositor
y.scanner.RepositoryScannerInstance  - Walk Finished: [internal]
/data/archiva/rep
ositories/internal
2011-02-08 08:00:10,753 [pool-2-thread-1] INFO
org.apache.maven.archiva.scheduled
.executors.ArchivaRepositoryScanningTaskExecutor  - Finished
repository task:
.\ Scan of internal \.__________________________________________
  Repository Dir    : /data/archiva/repositories/internal
  Repository Name   : Archiva Managed Internal Repository
  Repository Layout : default
  Known Consumers   : (1 configured)
                      update-db-artifact
  Invalid Consumers : <none>
  Duration          : 10 Seconds 634 Milliseconds
  When Gathered     : 2/8/11 8:00 AM
  Total File Count  : 55540
  Avg Time Per File :
______________________________________________________________

What should i do to resolve this problem.

Best regards

Benjamin


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