RFR: 8368683: [process] Increase jtreg debug output maxOutputSize for TreeTest

[Mark Sheppard]

On Thu, 25 Sep 2025 20:28:31 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> TreeTest failure is intermittent, getting the complete output may help with the diagnosis.
> 
> Add maxOutputSize for ProcessHandle TEST.properties for the directory of ProcessHandle tests.

gave it a whirl locally and on remote test machines and looks fine, but just with the ProcessHandle tests.
The failure in the CI pipeline has > 300 processes and > 1700 threads, with 15 active AgentServers,
as such, I'd probably go with a "drunkard's option" and add a bit more buffer space
maybe 700000 ?

It'll intermittent I've run repeat mode tests against the build with the failure and they were all good
in any case LGTM

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PR Comment: https://git.openjdk.org/jdk/pull/27501#issuecomment-3338761321