[DERBY-5474] Speed up message splitting in build

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 10.9.1.0
• Fix Version/s: 10.9.1.0
• Component/s: Build tools
• Assignee: Knut Anders Hatlen
• Reporter: Knut Anders Hatlen
• Created: 24/Oct/11 10:42
• Updated: 24/Jul/12 17:26
• Resolved: 24/Oct/11 15:28

Description

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.