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| author | gjb <gjb@FreeBSD.org> | 2014-04-13 22:41:24 +0000 |
|---|---|---|
| committer | gjb <gjb@FreeBSD.org> | 2014-04-13 22:41:24 +0000 |
| commit | d9a5796275819783682a30ace595fe089cec603d (patch) | |
| tree | c1a82ef1fcd30ca76010206000b6d05c1d200cd4 | |
| parent | 0c367a5c5eaec646703d05956faf5b5b2d9d8e09 (diff) | |
| download | FreeBSD-src-d9a5796275819783682a30ace595fe089cec603d.zip FreeBSD-src-d9a5796275819783682a30ace595fe089cec603d.tar.gz | |
Document r260338
Sponsored by: The FreeBSD Foundation
| -rw-r--r-- | release/doc/en_US.ISO8859-1/relnotes/article.xml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.xml b/release/doc/en_US.ISO8859-1/relnotes/article.xml index 631c3ee..e6d4ac9 100644 --- a/release/doc/en_US.ISO8859-1/relnotes/article.xml +++ b/release/doc/en_US.ISO8859-1/relnotes/article.xml @@ -118,7 +118,13 @@ <sect2 xml:id="kernel"> <title>Kernel Changes</title> - <para> </para> + <para revision="260338">The <literal>vfs.zfs.zio.use_uma</literal> + &man.sysctl.8; has been re-enabled. On multi-CPU machines with + enough RAM, this can easily double &man.zfs.8; performance or + reduce CPU usage in half. It was originally disabled due to + memory and <acronym>KVA</acronym> exhastion problem reports, + which should be resolved due to several change in the VM + subsystem.</para> <sect3 xml:id="kernel-virtualization"> <title>Virtualization support</title> |
