svn commit: r48060 - head/en_US.ISO8859-1/htdocs/news/status
Benjamin Kaduk <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.cvs.doc |
|---|---|
| Message-ID | <[email protected]> |
Author: bjk
Date: Mon Jan 18 22:54:45 2016
New Revision: 48060
URL: https://svnweb.freebsd.org/changeset/doc/48060
Log:
Add entry on CAM I/O schedule from imp
Modified:
head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml
Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml
==============================================================================
--- head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml Mon Jan 18 22:48:15 2016 (r48059)
+++ head/en_US.ISO8859-1/htdocs/news/status/report-2015-10-2015-12.xml Mon Jan 18 22:54:45 2016 (r48060)
@@ -4004,4 +4004,45 @@
</task>
</help>
</project>
+
+ <project cat='proj'>
+ <title>CAM I/O Scheduler</title>
+
+ <contact>
+ <person>
+ <name>
+ <given>Warner</given>
+ <common>Losh</common>
+ </name>
+ <email>[email protected]</email>
+ </person>
+ </contact>
+
+ <links>
+ <url href="https://people.FreeBSD.org/~imp/bsdcan2015/iosched-v3.pdf">BSDCan Paper</url>
+ <url href="https://reviews.FreeBSD.org/D4609">Phabricator Review</url>
+ </links>
+
+ <body>
+ <p>Reviews have begun on the CAM I/O scheduler that I wrote
+ for Netflix. It is anticipated that this process will be done in
+ time for the &os; 11 branch.</p>
+
+ <p>Details about this work can be found in the linked BSDcan
+ paper from last year.</p>
+
+ <p>Briefly, the scheduler allows one to differentiate I/O
+ types and limit I/O based on the type and characteristics of the
+ I/Os (including the latency of recent requests relative to
+ historical averages). This is most useful when tuning system
+ loads to SSD performance. Both a simple default scheduler, the
+ same that we use today in &os;, as well as a scheduler that can be
+ well-tuned for system loads related to video streaming will be
+ included.</p>
+ </body>
+
+ <sponsor>
+ Netflix, Inc
+ </sponsor>
+ </project>
</report>
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