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Posted to commits@cloudstack.apache.org by we...@apache.org on 2013/09/27 15:41:55 UTC
git commit: updated refs/heads/4.2 to a463f5e
Updated Branches:
refs/heads/4.2 2c0430610 -> a463f5ecc
add docs: disk I/O statistics and disk I/O throttling (KVM)
Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/a463f5ec
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/a463f5ec
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/a463f5ec
Branch: refs/heads/4.2
Commit: a463f5eccc0bca6d6f3677ee4b35bf6c9d4a50b9
Parents: 2c04306
Author: Wei Zhou <w....@leaseweb.com>
Authored: Fri Sep 27 15:41:13 2013 +0200
Committer: Wei Zhou <w....@leaseweb.com>
Committed: Fri Sep 27 15:41:13 2013 +0200
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docs/en-US/Release_Notes.xml | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
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http://git-wip-us.apache.org/repos/asf/cloudstack/blob/a463f5ec/docs/en-US/Release_Notes.xml
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diff --git a/docs/en-US/Release_Notes.xml b/docs/en-US/Release_Notes.xml
index a10b74f..a971d31 100644
--- a/docs/en-US/Release_Notes.xml
+++ b/docs/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>