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From "Joakim Erdfelt (JIRA)" <j...@codehaus.org>
Subject [jira] Created: (MRM-465) [Load Testing] When asking for pages that require the effective-pom in high load, app becomes unresponsive.
Date Fri, 10 Aug 2007 01:04:13 GMT
[Load Testing] When asking for pages that require the effective-pom in high load, app becomes
unresponsive.
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                 Key: MRM-465
                 URL: http://jira.codehaus.org/browse/MRM-465
             Project: Archiva
          Issue Type: Bug
          Components: browser
    Affects Versions: 1.0-beta-2
            Reporter: Joakim Erdfelt
            Priority: Critical


When having a process/tool (such as siege) hit the artifact browsing pages on archiva in rapid
succession, the archiva application becomes unresponsive.

Possible reason: when the first request hits to get the effective pom, the build of that effective
pom starts, but before it has a chance to finish, another request arrives to do the same thing,
and the process starts again, resources and such get eaten up fast in that scenario.

Possible solution:
* Lock the effective pom resolution on a per groupId:artifactId:version level.
* Cache the effective pom on disk.
** (option 1) save the effective pom to disk in the groupId:artifactId:version location using
the extension ".effective.pom"
** (option 2) save the effective pom to a long lived ehcache (backed on disk, in ehcache format)

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