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Date: Mon, 13 Jun 2016 18:56:30 +0000 (UTC)
From: "John Ross (JIRA)" <jira@apache.org>
To: dev@aries.apache.org
Message-ID: <JIRA.12976132.1465231094000.317.1465844190750@Atlassian.JIRA>
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Subject: [jira] [Updated] (ARIES-1565) Performance Improvement: unpack
 subsystem artifacts to tmp folder to avoid directly reading from zip
 archive
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archived-at: Mon, 13 Jun 2016 18:56:33 -0000


     [ https://issues.apache.org/jira/browse/ARIES-1565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Ross updated ARIES-1565:
-----------------------------
    Attachment: 1565.patch

Would you be able try 1565.patch in lieu of the proposed changes to see if it gives comparable results? 

Note that the suspicious looking stuff surrounding the "archive" and "tempFile" variables was necessary to avoid a Util test failure that, oddly enough, expects to see a variable called "tempFile" on the returned IDirectory.

> Performance Improvement: unpack subsystem artifacts to tmp folder to avoid directly reading from zip archive
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: ARIES-1565
>                 URL: https://issues.apache.org/jira/browse/ARIES-1565
>             Project: Aries
>          Issue Type: Improvement
>          Components: Subsystem, Util
>    Affects Versions: subsystem-2.0.8, util-1.1.2
>            Reporter: Wouter Bancken
>         Attachments: 1565.patch
>
>
> h4. Description
> Aries copies ESA archives to a temporary zip file during the installation phase. Afterwards, bundles are read directly from this temporary zip which has a large impact on the startup performance of Aries applications. By unpacking the esa artifact into the temporary folder it is unpacked only once. Subsequent reads for the bundles (jars) can be read directly from the folder. 
> h4. Pull request
> https://github.com/apache/aries/compare/subsystem-2.0.x...WouterBanckenACA:io_performance_optimalisation?expand=1
> h4. Mailinglist
> http://mail-archives.apache.org/mod_mbox/aries-user/201606.mbox/%3CCAL5nZgTq5FxDvURJbzcEZ9YHx6vTs3HAOuFYDYA3ec9OZbmwjA%40mail.gmail.com%3E


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