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https://issues.apache.org/jira/browse/LUCENE-9232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17039064#comment-17039064
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Robert Muir commented on LUCENE-9232:
-------------------------------------

As far as abnormally long time (default is supposed to be 3 hours), I think it 
might be related to closing/opening laptops lid and their Timer class that 
governs when daemon will exit.

I actually didn't kill daemons until around 15:00. I tried to make sense of how 
it was implemented there at a glance, but I was unsuccessful and have to get 
moving today.

>From my experiments with the gradle integration of Eclipse IDE (they are 
>short-lived because it thinks lucene projects have recursive dependencies? 
>Maybe I am holding it wrong?), Eclipse spins up its own gradle daemon anyway 
>for IDE purposes, with its own timeout. I have not looked into other IDEs or 
>even where we are at with IDE integration in general. But it is something to 
>consider here.

> disable gradle daemon by default
> --------------------------------
>
>                 Key: LUCENE-9232
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9232
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>            Priority: Major
>
> We should disable the gradle daemon by default: the user can opt-in by 
> changing the properties file.
> If you forget to do this, you end out with leaked JVMs everywhere. It won't 
> just leak one daemon, it will leak multiple ones. 
> I ran {{ps}} on my laptop, surprised at 13:00 to find 2 leaked gradle jvms 
> when I hadn't used the thing since 07:00.



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