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  3. Graphite keeps crashing OOM

Graphite keeps crashing OOM

Scheduled Pinned Locked Moved Solved Support
graphsoom
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  • nebulonN nebulon

    @jdaviescoates how much memory as the limit is set in your case? Also does the server itself have enough free memory to allocate? The settings in Cloudron are only the upper limit, but it may still get killed with oom if there is none available system-wide

    rmdesR Offline
    rmdesR Offline
    rmdes
    wrote on last edited by
    #23

    @nebulon my graphite service has 1.60GB available, still OOM several times a day..
    the machine where cloudron is running has 30GB available, on average 15 Gb is being used leaving half of the available memory free.

    rmdesR 1 Reply Last reply
    1
    • nebulonN Offline
      nebulonN Offline
      nebulon
      Staff
      wrote on last edited by
      #24

      All this does not sound right then. Do you see anything suspicious in the graphite logs as such? Like frequent restarts of something or so?

      rmdesR 1 Reply Last reply
      1
      • nebulonN nebulon

        All this does not sound right then. Do you see anything suspicious in the graphite logs as such? Like frequent restarts of something or so?

        rmdesR Offline
        rmdesR Offline
        rmdes
        wrote on last edited by
        #25

        @nebulon This is the only errors I find in the log, beside the restarts :
        https://paste.armada.digital/xanopucuqu.sql

        robiR 1 Reply Last reply
        0
        • rmdesR rmdes

          @nebulon This is the only errors I find in the log, beside the restarts :
          https://paste.armada.digital/xanopucuqu.sql

          robiR Offline
          robiR Offline
          robi
          wrote on last edited by
          #26

          I get daily crashes too, with same/similar log messages about cache and draining issues.

          Conscious tech

          1 Reply Last reply
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          • rmdesR rmdes

            @nebulon my graphite service has 1.60GB available, still OOM several times a day..
            the machine where cloudron is running has 30GB available, on average 15 Gb is being used leaving half of the available memory free.

            rmdesR Offline
            rmdesR Offline
            rmdes
            wrote on last edited by
            #27

            my.armada.digital_.png
            When graphite crash...

            robiR 1 Reply Last reply
            0
            • rmdesR rmdes

              my.armada.digital_.png
              When graphite crash...

              robiR Offline
              robiR Offline
              robi
              wrote on last edited by
              #28

              @rmdes It's like Graphite sees Nessie the Loch Ness monster and freaks out..

              Thanks for the graphs, er laughs. 😆

              Conscious tech

              rmdesR 1 Reply Last reply
              2
              • robiR robi

                @rmdes It's like Graphite sees Nessie the Loch Ness monster and freaks out..

                Thanks for the graphs, er laughs. 😆

                rmdesR Offline
                rmdesR Offline
                rmdes
                wrote on last edited by rmdes
                #29

                @robi here's another one, zoomed at 24h my.armada.digital_ (1).png
                Funny thing is I understand it crashes because of memory issues (resulting out of python errors?)
                but why/how does Graphite reboot itself ? I mean why fail to reboot for hours and suddenly it back online? why ?

                robiR 1 Reply Last reply
                0
                • rmdesR rmdes

                  @robi here's another one, zoomed at 24h my.armada.digital_ (1).png
                  Funny thing is I understand it crashes because of memory issues (resulting out of python errors?)
                  but why/how does Graphite reboot itself ? I mean why fail to reboot for hours and suddenly it back online? why ?

                  robiR Offline
                  robiR Offline
                  robi
                  wrote on last edited by
                  #30

                  @rmdes nice.. yep not how a health monitored app should behave.

                  looks like something got stuck for a while then finally failed to get kicked again.

                  Conscious tech

                  1 Reply Last reply
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                  • rmdesR Offline
                    rmdesR Offline
                    rmdes
                    wrote on last edited by
                    #31

                    Maybe this python error can help ? https://paste.armada.digital/ovurasajof.sql

                    girishG 1 Reply Last reply
                    0
                    • rmdesR rmdes

                      Maybe this python error can help ? https://paste.armada.digital/ovurasajof.sql

                      girishG Offline
                      girishG Offline
                      girish
                      Staff
                      wrote on last edited by
                      #32

                      @rmdes are you able to write to me on support@ and give me ssh access, so I can debug this? Would be good understand what's happening here.

                      rmdesR 1 Reply Last reply
                      1
                      • girishG girish

                        @rmdes are you able to write to me on support@ and give me ssh access, so I can debug this? Would be good understand what's happening here.

                        rmdesR Offline
                        rmdesR Offline
                        rmdes
                        wrote on last edited by
                        #33

                        @girish Yes of course, doing this now, SSH has been enabled.

                        girishG 2 Replies Last reply
                        1
                        • rmdesR rmdes

                          @girish Yes of course, doing this now, SSH has been enabled.

                          girishG Offline
                          girishG Offline
                          girish
                          Staff
                          wrote on last edited by
                          #34

                          @rmdes thanks for the access. it seems your server somehow hits this carbon cache bug - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=923464

                          1 Reply Last reply
                          2
                          • rmdesR rmdes

                            @girish Yes of course, doing this now, SSH has been enabled.

                            girishG Offline
                            girishG Offline
                            girish
                            Staff
                            wrote on last edited by
                            #35

                            @rmdes I have applied the patch in the bug report and it seems to fix the problem. I have applied change to your server locally. Will be in next release.

                            rmdesR 1 Reply Last reply
                            2
                            • girishG girish

                              @rmdes I have applied the patch in the bug report and it seems to fix the problem. I have applied change to your server locally. Will be in next release.

                              rmdesR Offline
                              rmdesR Offline
                              rmdes
                              wrote on last edited by rmdes
                              #36

                              @girish So this only hit on me ?
                              Anyway, Thanks a lot for applying the patch locally and fixing the issue !

                              girishG 1 Reply Last reply
                              2
                              • rmdesR rmdes

                                @girish So this only hit on me ?
                                Anyway, Thanks a lot for applying the patch locally and fixing the issue !

                                girishG Offline
                                girishG Offline
                                girish
                                Staff
                                wrote on last edited by
                                #37

                                @rmdes yes, I am not sure why. It doesn't happen in any of our demo servers or managed services. Quite strange. It could also be that maybe others have hit it but have not noticed it (since it only causes a CPU spike..) but clearly it's a bug since it's been fixed upstream.

                                1 Reply Last reply
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