[jboss-jira] [JBoss JIRA] (SWSQE-294) Investigate ElasticSearch memory requirements on B24 cluster

[Filip Brychta (JIRA)]

    [ https://issues.jboss.org/browse/SWSQE-294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13596726#comment-13596726 ] 

Filip Brychta commented on SWSQE-294:
-------------------------------------

The same issue is visible after default installation of downstream istio 0.8.0. Elastic search has only 512MB and is failing. When increased to 4GB it's working fine. From metrics it's visible that it's consuming 3070MB after default installation so 512MB is definitely not enough. We need a jira to update istio installer to increase memory for elastic search pod.

> Investigate ElasticSearch memory requirements on B24 cluster
> ------------------------------------------------------------
>
>                 Key: SWSQE-294
>                 URL: https://issues.jboss.org/browse/SWSQE-294
>             Project: Kiali QE
>          Issue Type: Bug
>            Reporter: Kevin Earls
>            Assignee: Guilherme Baufaker Rêgo
>            Priority: Minor
>         Attachments: es1.log
>
>
> On minishift and the CNCF CI OpenShift cluster, we install ElasticSearch using the commands:
>     curl https://raw.githubusercontent.com/RHsyseng/docker-rhel-elasticsearch/5.x/es-cluster-deployment.yml --output es-cluster-deployment.yml
>     oc create -f es-cluster-deployment.yml
> However, on B24 this fails.  The first 2 elasticsearch pods will start up, but then elasticsearch-2 gets into the following failure loop like:
> elasticsearch-2   1/1       Running   3         1m
> elasticsearch-2   0/1       OOMKilled   3         1m
> elasticsearch-2   0/1       CrashLoopBackOff   3         2m
> If I increase memory in the es-cluster-deployment.yml to 1Gi it will at least start, but I've found I really need to increase it to 2Gi to do anything non trivial.  
> We may need to track down the people who originally created this template for help on this. 



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