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https://issues.apache.org/jira/browse/SOLR-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Matheis (steffkes) updated SOLR-5178:
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Attachment: screenshot-vladimir.jpeg
> Admin UI - Memory Graph on Dashboard shows NaN for unused Swap
> --------------------------------------------------------------
>
> Key: SOLR-5178
> URL: https://issues.apache.org/jira/browse/SOLR-5178
> Project: Solr
> Issue Type: Bug
> Components: web gui
> Affects Versions: 4.3, 4.4
> Reporter: Stefan Matheis (steffkes)
> Assignee: Stefan Matheis (steffkes)
> Priority: Minor
> Fix For: 4.5, 5.0
>
> Attachments: screenshot-vladimir.jpeg
>
>
> If the System doesn't use Swap, the displayed memory graph on the dashboard
> shows {{NaN}} (not a number) because it tries to divide by zero.
> {code}"system":{
> "name":"Linux",
> "version":"3.2.0-39-virtual",
> "arch":"amd64",
> "systemLoadAverage":3.38,
> "committedVirtualMemorySize":32454287360,
> "freePhysicalMemorySize":912945152,
> "freeSwapSpaceSize":0,
> "processCpuTime":56274650000000,
> "totalPhysicalMemorySize":71881908224,
> "totalSwapSpaceSize":0,
> "openFileDescriptorCount":350,
> "maxFileDescriptorCount":4096,
> "uname": "Linux ip-xxx-xxx-xxx-xxx 3.2.0-39-virtual #62-Ubuntu SMP Thu
> Feb 28 00:48:27 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux\n",
> "uptime":" 11:24:39 up 4 days, 23:03, 1 user, load average: 3.38, 3.10,
> 2.95\n"
> }{code}
> We should add an additional check for that.
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