project builder should make the processed project cache configurable
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Key: MNG-2481
URL: http://jira.codehaus.org/browse/MNG-2481
Project: Maven 2
Issue Type: Bug
Components: Performance, POM
Affects Versions: 2.0.4
Reporter: Brett Porter
the cache in the project builder is a simple map. This is usually fine for
Maven, but in long lived processes (Continuum, MRM, and I imagine the IDE
plugins as it gets used more) it can chew up quite some memory.
I'd suggest we make it configurable:
- can turn it on or off using plexus configuration
- can limit its size using plexus configuration
- can change other options, such as adding expiry ages to items regardless of
size
Rather than implementing something in the project builder itself, I suggest
having a cache plexus component that does everything we need it to (this could
be reused in the webapps as well). I'm not sure of any existing caching
solutions (I know OSCache has a general Java cache but don't know how suitable
it is). One alterantive might be to round out commons-cache with some features
and plexus descriptors.
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