Fwd: Heads up: Deprecating the CMS foreground mode

[Bengt Rutisson]

I sent this email to hotspot-gc-dev at openjdk.java.net. But I should 
probably have sent it to this list too (hotspot-gc-use at openjdk.java.net.).

As mentioned in the email below, please keep any discussions in the 
review request email thread on hotspot-gc-dev at openjdk.java.net

Thanks,
Bengt

-------- Original Message --------
Subject: 	Heads up: Deprecating the CMS foreground mode
Date: 	Thu, 24 Oct 2013 04:48:27 -0700 (PDT)
From: 	Bengt Rutisson <bengt.rutisson at oracle.com>
To: 	hotspot-gc-dev at openjdk.java.net



Hi all,

Just a heads up for anyone using the CMS foreground collector.

I just sent out a review request to this list that proposes a change to
print warning messages for the flags that enable the CMS foreground
collector. The review request is titled "JDK-8027132: Print deprecation
warning message for the flags controlling the CMS foreground collector"
and it would be good if any discussion can be handled in that email thread.

We don't know of anyone using the foreground collector, so I thought I'd
send out an extra email out to draw some attention to the review request
if there is anybody using it.

Just to be clear. The change proposed now only prints warning messages
for some flags. Everything will keep working as before. This is just to
communicate that the foreground collector has been deprecated. Hopefully
we will follow this up with a change to actually remove the support for
the foreground collector for one of the future major releases.

Thanks,
Bengt



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