Janitor thread interval

[Danny Angus <Da...@slc.co.uk>]

Hi,

I've tried to find it in docs and by looking at the code but I can't find
anything about how the interval is set.
I want to increase it and see if it might help to resolve a problem we
have.
How do I change it?
Can it be changed in configuration or do I have to do it programatically?

d.




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Re: Janitor thread interval

[Kent Tong <ke...@cpttm.org.mo>]

Danny Angus <Danny_Angus <at> slc.co.uk> writes:

> 
> Hi,
> 
> I've tried to find it in docs and by looking at the code but I can't find
> anything about how the interval is set.
> I want to increase it and see if it might help to resolve a problem we
> have.
> How do I change it?
> Can it be changed in configuration or do I have to do it programatically?

The way to do that (which is "condemned" by the doc) is:

int oneMinuteInMs = 60*1000;
JanitorThread.getSharedJanitorThread().setInterval(oneMinuteInMs);

If all you're trying to do is to make your pages stay long
in the pool, a better way is:

getEngine().getPool().setWindow(20);

By default the window is 10 and the janitor thread will sweep
the pool every 30 seconds, so the pages staying in the pool
for 300 seconds (5 minutes) will be removed. If we set the
window to say 20, then they can stay there for 10 minutes.



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