RFR: Log rotation

[Aleksey Shipilev]

On Fri, 26 Aug 2022 17:06:42 GMT, cfumiwu <duke at openjdk.org> wrote:

> Making the shenandoah log file be able to rotate with given log file count and log file size. Default log file count would be 5 and default log file size would be 20MB.

Yes, it should be folded in UL somehow. Not necessarily in this PR, but something to be done before going upstream.

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PR: https://git.openjdk.org/shenandoah/pull/158