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Bug 1314564 - Scale the EFK pods when changes are made [NEEDINFO]
Scale the EFK pods when changes are made
Status: NEW
Product: OpenShift Container Platform
Classification: Red Hat
Component: Documentation (Show other bugs)
Unspecified Unspecified
unspecified Severity low
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Assigned To: Vikram Goyal
Vikram Goyal
Vikram Goyal
Depends On:
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Reported: 2016-03-03 17:58 EST by Eric Jones
Modified: 2017-08-22 18:26 EDT (History)
4 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
OpenShift Enterprise
Last Closed:
Type: Bug
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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erich: needinfo? (erjones)

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Description Eric Jones 2016-03-03 17:58:09 EST
Document URL:

Section Number and Name: 

Describe the issue: 
After working with some of the engineers for the EFK stack, it became apparent that when you make changes to any part of the EFK stack (specifically the FluentD or ElasticSearch) you should scale both of these down to zero, make the changes, and then scale them back up to the appropriate numbers, trying to scale FluentD not too long after scaling ElasticSearch.

Suggestions for improvement: 
Make a note about this so that anytime changes are made, the appropriate actions are taken.

Additional information: 
You can do this by running `oc scale --replicas=0 dc/<ELASTICSEARCH_DC> dc/<FLUENTD_DC> ` and then, after you have made the change (like attach a PVC) you can scale them back up using `oc scale --replicas=# dc/<ELASTICSEARCH_DC>` and `oc scale --replicas=# dc/<FLUENTD_DC>`

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