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seeing gaps during data collection in PMM dashboard

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  • seeing gaps during data collection in PMM dashboard

    Hello,
    We've installed PMM and it looks great! But the thing is that we see some gaps in between the charts as showing in the attachment.
    From client side pmm-mysql-queries.log, we see these warnings:

    2017/10/11 22:37:40.590505 WARNING data-sender Waiting for API to ack qan_1507761420012724193: read tcp x.x.x.x:50024->x.x.x.x:80: i/o timeout
    2017/10/11 22:37:49.293295 WARNING data-sender Waiting for API to ack qan_1507761420012724193: read tcp x.x.x.x:50026->x.x.x.x:80: i/o timeout
    2017/10/11 22:47:07.464413 WARNING data-sender Waiting for API to ack qan_1507761960013420750: read tcp x.x.x.x:50046->x.x.x.x:80: i/o timeout
    2017/10/11 22:54:28.530116 WARNING data-sender Waiting for API to ack qan_1507762440012218450: read tcp x.x.x.x:50062->x.x.x.x:80: i/o timeout
    2017/10/11 22:54:37.078760 WARNING data-sender Waiting for API to ack qan_1507762440012218450: read tcp x.x.x.x:50064->x.x.x.x:80: i/o timeout


    What could cause this? Is there any parameter we should tune?

    Thank you

  • #2
    Please share the output of pmm-admin check-network executed from the client side showing gaps in PMM Server.

    Can you also share the full command you've used to create the pmm-server container?

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