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Posted to commits@cloudstack.apache.org by ke...@apache.org on 2013/10/08 21:28:10 UTC
[66/70] git commit: Adding VM disk status and throttling docs from
Wei Zhou (originally commit a463f5eccc0bca6d6f3677ee4b35bf6c9d4a50b9)
Adding VM disk status and throttling docs from Wei Zhou (originally commit a463f5eccc0bca6d6f3677ee4b35bf6c9d4a50b9)
Project: http://git-wip-us.apache.org/repos/asf/cloudstack-docs/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack-docs/commit/f8744408
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack-docs/tree/f8744408
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack-docs/diff/f8744408
Branch: refs/heads/master
Commit: f874440879af758e07fe624869e104371dbfc12c
Parents: 3a393b6
Author: David Nalley <da...@gnsa.us>
Authored: Wed Oct 2 15:10:57 2013 -0400
Committer: David Nalley <da...@gnsa.us>
Committed: Wed Oct 2 15:10:57 2013 -0400
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release-notes/en-US/Release_Notes.xml | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
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http://git-wip-us.apache.org/repos/asf/cloudstack-docs/blob/f8744408/release-notes/en-US/Release_Notes.xml
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diff --git a/release-notes/en-US/Release_Notes.xml b/release-notes/en-US/Release_Notes.xml
index 0c72f81..a65cca9 100644
--- a/release-notes/en-US/Release_Notes.xml
+++ b/release-notes/en-US/Release_Notes.xml
@@ -868,6 +868,22 @@ under the License.
</listitem>
</itemizedlist>
</section>
+ <section id="vm-disk-statistics">
+ <title>Disk I/O statistics for VMs</title>
+ <para>(Supported on KVM)</para>
+ <para>The disk I/O statistics for virtual machines, including read/write (bytes and I/O requests)
+ are collected and save in the database from &PRODUCT; 4.2. The data are also managed by
+ &PRODUCT; Usage Server. You can get the statistics through listUsageRecords API call. </para>
+ <para>This functionality is supported from libvirt 0.9.4. </para>
+ </section>
+ <section id="vm-disk-throttling">
+ <title>Disk I/O throttling for VMs</title>
+ <para>(Supported on KVM)</para>
+ <para>In &PRODUCT; 4.2, you can limit the read/write rate (bytes and I/O requests per second)
+ at user's virtual machines. This is useful to deduce the mutual influence between the
+ virtual machines running on the same storage device.</para>
+ <para>This functionality is supported from libvirt 0.9.8 and QEMU 1.1.0.</para>
+ </section>
</section>
<section id="ops">
<title>Monitoring, Maintenance, and Operations Enhancements</title>