Re: [xep-support] Embedding RenderX in long-running process; cache cleanup

Hello Greg,

There are no standard guidelines regarding how often cleanup should be
performed - it depends on the usage patterns and throughput. In
general I can suggest to define such policy ad-hoc by looking at
memory consumption dynamic of the running application. Note that
cleanup() should not be called while formatting is under way that is
if you have several threads sharing the same instance of formatter you
have to make sure that no one is calling render() method while cleanup
is performed. As for the duration of cleanup - it depends on your
setup and hardware but in general it is quite fast.

Best regards,
Alexander Peshkov mailto:peshkov@renderx.com
RenderX

GL> Are there any guides or best practices regarding how often to clean
GL> out temporary files and flush XEP's internal cache? I cannot find the
GL> reference, but I recall reading a recommendation that the it be
GL> cleared on an occasional basis to keep performance from bogging down
GL> in a long-running application. Specifically:

GL> 1) Since I am using FormatterImpl, is the preferred way to do this
GL> calling the cleanup() method? (If not, what would it be?)

GL> 2) How often should it be called? If the answer depends on the how
GL> fast the cache fills up, is there a way to measure it?

GL> 3) How long does it take to execute such a cleanup, and will requests
GL> be blocked for that duration?

GL> Thank you,
GL> Greg Ludington
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Received on Mon Apr 4 03:28:09 2005