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<pre>[ https://ovirt-jira.atlassian.net/browse/OVIRT-1763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35344#comment-35344 ]</pre>
<h3>Evgheni Dereveanchin commented on OVIRT-1763:</h3>
<p>And I think the difference in speed is caused by this part:</p>
<p>1) successful build 3834 taking 5 minutes to install packages – running in RAM: 02:49:59 [upgrade-from-release-suit] +++ df --output=avail /dev/shm 02:49:59 [upgrade-from-release-suit] +++ sed 1d 02:49:59 [upgrade-from-release-suit] ++ avail_shm=24589620 02:49:59 [upgrade-from-release-suit] ++ [[ 24589620 -ge 15000000 ]] 02:49:59 [upgrade-from-release-suit] ++ mkdir -p /dev/shm/ost 02:49:59 [upgrade-from-release-suit] ++ echo /dev/shm/ost/deployment-upgrade-from-release-suite-master 02:49:59 [upgrade-from-release-suit] + run_path=/dev/shm/ost/deployment-upgrade-from-release-suite-master</p>
<p>2) timed out build 3795 taking 15 minutes to install packages – running on disk: 15:29:24 [upgrade-from-release-suit] ++ local avail_shm 15:29:24 [upgrade-from-release-suit] +++ df --output=avail /dev/shm 15:29:24 [upgrade-from-release-suit] +++ sed 1d 15:29:24 [upgrade-from-release-suit] ++ avail_shm=14540900 15:29:24 [upgrade-from-release-suit] ++ [[ 14540900 -ge 15000000 ]] 15:29:24 [upgrade-from-release-suit] ++ echo /home/jenkins/workspace/ovirt-master_change-queue-tester/ovirt-system-tests/deployment-upgrade-from-release-suite-master 15:29:24 [upgrade-from-release-suit] + run_path=/home/jenkins/workspace/ovirt-master_change-queue-tester/ovirt-system-tests/deployment-upgrade-from-release-suite-master</p>
<p>Logging into the node where build 3795 was running I see 24GB free on the RAM drive when no jobs are running. Not really sure if anything should be on the RAM drive by the time that check is made, based on this we can take action and either clean it up, change the check or increase the timeout. [~bkorren@redhat.com], do you know any details about RAM drive specifics for OST?</p>
<blockquote><h3>Increase entropy for hosts</h3>
<pre> Key: OVIRT-1763
URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1763
Project: oVirt - virtualization made easy
Issue Type: Bug
Reporter: Dafna Ron
Assignee: infra</pre>
<p>we had a failure in ost that was really hard to debug: <a href="http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/3795/">http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/3795/</a> There are no failures in the logs and the test itself was terminated by a timeout. It took the vms a long time to download packages and install and didi seems to think that this is due to limited entropy on the physical host. we need to review this issue and increase the entropy on the hosts.</p></blockquote>
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