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  3. Cloudron instance scaling issues after a few hours / couple of days, apps responsive but showing a permanent "Starting..." status

Cloudron instance scaling issues after a few hours / couple of days, apps responsive but showing a permanent "Starting..." status

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performancestabilityboxplatform
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  • U Offline
    U Offline
    uwcrbc
    wrote last edited by
    #10

    Also: interestingly the moment the server started playing up is indeed the moment that I had roughly linked to our latest cal.com deployment.
    I say latest because this Cloudron server had a previous cal.com app instance that we used as a test a while back - not sure if relevant but maybe it can help inform the situation.

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    • nebulonN Offline
      nebulonN Offline
      nebulon
      Staff
      wrote last edited by
      #11

      I've updated the calcom instance on that server to latest, which has some fixes in the package. So far things seem fine.

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      • J joseph has marked this topic as solved
      • U Offline
        U Offline
        uwcrbc
        wrote last edited by
        #12

        Happy to report that the updated cal.com package seems to have fixed the underlying server issue.
        Many thanks,

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        • U Offline
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          uwcrbc
          wrote last edited by uwcrbc
          #13

          At last - I think I was too eager to see this resolved.
          The problem is still there with the exact same symptoms.
          How can we proceed further? @nebulon @james Would another remote troubleshooting/debugging be helpful?

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          • nebulonN Offline
            nebulonN Offline
            nebulon
            Staff
            wrote last edited by
            #14

            Do you see a constant process showing up in htop or so on your system, which may constantly hog some core like calcom restart did?

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            • U Offline
              U Offline
              uwcrbc
              wrote last edited by uwcrbc
              #15

              @nebulon Thanks - To the untrained eye, there is nothing in htop that pops up as flagrantly hogging resources.
              The swap is high but I am not sure if this is a relevant indicator

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              • nebulonN Offline
                nebulonN Offline
                nebulon
                Staff
                wrote last edited by
                #16

                And the systemctl restart box still fixes the issue temporarily?

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                • U Offline
                  U Offline
                  uwcrbc
                  wrote last edited by uwcrbc
                  #17

                  @nebulon Yes - this fixes the issue temporarily at least

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                  • girishG Offline
                    girishG Offline
                    girish
                    Staff
                    wrote last edited by
                    #18

                    This is probably happening because the apphealthmonitor is getting stuck (for some reason) and thus unable to update the health of apps. @uwcrbc in the box.log , do you see a line printed every 10 seconds like box:apphealthmonitor app health: xx ?

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                    • U Offline
                      U Offline
                      uwcrbc
                      wrote last edited by
                      #19

                      @girish Thanks for this - After looking into the box.log:

                      • post systemctl restart box I do see indeed box:apphealthmonitor app health: xx running / 0 stopped / 0 unresponsive entry type every 10 seconds or so.
                      • pre systemctl restart box (when we experience the issue) I do not see much of the box:apphealthmonitor app health:xx entries. Rather, I do have a few rare box:apphealthmonitor setHealth: <<CONTAINER_UID>> (<<URL>>) waiting for 1192.461 to update health entries

                      Hopefully it helps?

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                      • girishG Offline
                        girishG Offline
                        girish
                        Staff
                        wrote last edited by
                        #20

                        @uwcrbc I think there is a bug that the apphealthmonitor is getting stuck (for some reason). We have seen this happen but very rarely and not reproducibly . If you can give us access, can you send me a mail at support@cloudron.io ? I can debug this further .

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                          N Offline
                          Neiluj
                          wrote last edited by
                          #21
                          This post is deleted!
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                          • U Offline
                            U Offline
                            uwcrbc
                            wrote last edited by
                            #22

                            @girish Thanks for this. Access given / mail sent. Appreciate the help.

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