RFR: Backport of 6412968 and 6990419 to 7u
Poonam Bajaj
poonam.bajaj at oracle.com
Sun Feb 9 11:43:32 UTC 2014
Hi All,
Could I have some reviews for the backport of the following two fixes
from jdk8 to 7u:
6412968 <https://bugs.openjdk.java.net/browse/JDK-6412968>: CMS: Long
initial mark pauses
6990419 <https://bugs.openjdk.java.net/browse/JDK-6990419>: CMS:
Remaining work for 6572569: consistently skewed work distribution in
(long) re-mark pauses
These changes parallelize the initial-mark phase of the CMS collector
and improve the work distribution among parallel worker threads.
Webrev: http://cr.openjdk.java.net/~poonam/6412968_6990419/webrev.00/
Original fixes:
6412968 : http://hg.openjdk.java.net/hsx/hsx25/hotspot/rev/ca9dedeebdec
6990419: http://hg.openjdk.java.net/hsx/hsx25/hotspot/rev/7b06ae405d7b
Testing:
JPRT, Customer verification testing
Thanks,
Poonam
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