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Question

empty table io_usage

  • March 5, 2019
  • 1 reply
  • 5 views
MaciejPaliwoda
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Hi,
My customer is running VERTICA 8.1.1-0, and table io_usage does not contain any data (0 rows). At the same time cpu and network usage tables are containing data. What might be the reason? Any hints?
M.

    1 reply

    Jim_Knicely
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    • Jim_Knicely
    • Participating Frequently
    • March 7, 2019

    Are you running on a VM?

    Does this query return 0 records?

    SELECT COUNT(*) FROM dc_io_info;

    This is a known issue on VMs (i.e. AWS) that is currently being worked on and should be released soon. I will keep this post updated as to when it is fixed. Not sure if it will back ported to 8.1.x though.

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