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From "Knut Anders Hatlen (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-5474) Speed up message splitting in build
Date Mon, 24 Oct 2011 10:43:32 GMT
Speed up message splitting in build
-----------------------------------

                 Key: DERBY-5474
                 URL: https://issues.apache.org/jira/browse/DERBY-5474
             Project: Derby
          Issue Type: Improvement
          Components: Build tools
    Affects Versions: 10.9.0.0
            Reporter: Knut Anders Hatlen
            Assignee: Knut Anders Hatlen
            Priority: Minor


On a slow machine I sometimes use to build Derby, running the org.apache.derbyBuild.splitmessages
tool takes 30 seconds and accounts for 15% of the total time needed to run "ant -q buildsource"
(which builds the engine, the network server and the client, but not the tests or demos).
The tool is invoked 15 times, and each time a new Java process is started because the Ant
target has specified fork="yes". By changing it to run the splitmessages tool in the same
Java process as the one running Ant, the time is reduced to 3-4 seconds on the same machine.

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