[jira] [Created] (SOLR-9753) Admin UI - Memory Graph on Dashboard shows NaN for unused Swap

["adeppa (JIRA)" <ji...@apache.org>]

adeppa created SOLR-9753:
----------------------------

             Summary: Admin UI - Memory Graph on Dashboard shows NaN for unused Swap
                 Key: SOLR-9753
                 URL: https://issues.apache.org/jira/browse/SOLR-9753
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: JSON Request API, web gui
    Affects Versions: 5.1
            Reporter: adeppa


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.
admin url : solr/collection/admin/system?wt=json&&indent=true

"system":{
    "name":"Linux",
    "version":"3.13.0-48-generic",
    "arch":"amd64",
    "systemLoadAverage":0.0,
    "committedVirtualMemorySize":27111653376,
    "freePhysicalMemorySize":48219590656,
    "freeSwapSpaceSize":0,
    "processCpuTime":67938650000000,
    "totalPhysicalMemorySize":67548606464,
    "totalSwapSpaceSize":0,
    "openFileDescriptorCount":213,
    "maxFileDescriptorCount":4096,
    "uname":"Linux ip-172-22-65-57 3.13.0-48-generic #80-Ubuntu SMP Thu Mar 12 11:16:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux\n",
    "uptime":" 06:33:04 up 57 days, 20:20,  0 users,  load average: 0.00, 0.01, 0.05\n"}}




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