[Bug 1404076] Re: Optimize Ceilometer resource list query
Jorge Niedbalski
1404076 at bugs.launchpad.net
Tue Jul 14 12:57:43 UTC 2015
** Description changed:
- Ceilometer resource-list requires an open-ended scan of resource and
+ [Impact]
+
+ * Ceilometer resource-list requires an open-ended scan of resource and
sample tables to retrieve a unique list of resources. There should be a
way to optimize the scans.
+
+ [Test Case]
+
+ * Deploy an openstack cloud using the current trusty package of ceilometer.
+ * Run a 'ceilometer resource-list' without the patch the running
+ time for that command takes (if returns).
+
+ ubuntu at queen:~$ time ceilometer resource-list | wc -l
+ 10031 real 1m3.975s user 0m3.572s sys 0m0.187s
+ ubuntu at queen:~$ time ceilometer resource-list | wc -l
+ 10036 real 1m54.993s user 0m3.354s sys 0m0.184s
+
+ * With the included SRU patch :
+
+ real 0m15.693s
+ user 0m1.104s
+
+ sys 0m0.065s
+ [Regression Potential]
+
+ * None expected.
+
+ [Other Info]
+
+ * Backport of https://review.openstack.org/142951
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https://bugs.launchpad.net/bugs/1404076
Title:
Optimize Ceilometer resource list query
Status in Ceilometer:
Fix Released
Status in ceilometer package in Ubuntu:
Fix Released
Status in ceilometer source package in Trusty:
In Progress
Bug description:
[Impact]
* Ceilometer resource-list requires an open-ended scan of resource
and sample tables to retrieve a unique list of resources. There
should be a way to optimize the scans.
[Test Case]
* Deploy an openstack cloud using the current trusty package of ceilometer.
* Run a 'ceilometer resource-list' without the patch the running
time for that command takes (if returns).
ubuntu at queen:~$ time ceilometer resource-list | wc -l
10031 real 1m3.975s user 0m3.572s sys 0m0.187s
ubuntu at queen:~$ time ceilometer resource-list | wc -l
10036 real 1m54.993s user 0m3.354s sys 0m0.184s
* With the included SRU patch :
real 0m15.693s
user 0m1.104s
sys 0m0.065s
[Regression Potential]
* None expected.
[Other Info]
* Backport of https://review.openstack.org/142951
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