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  1. Cloudron Forum
  2. Support
  3. Graphite keeps crashing OOM

Graphite keeps crashing OOM

Scheduled Pinned Locked Moved Solved Support
graphsoom
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  • jdaviescoatesJ jdaviescoates

    Graphite OOM, again.

    nebulonN Away
    nebulonN Away
    nebulon
    Staff
    wrote on last edited by
    #21

    @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

    jdaviescoatesJ rmdesR 2 Replies Last reply
    0
    • 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

      jdaviescoatesJ Online
      jdaviescoatesJ Online
      jdaviescoates
      wrote on last edited by
      #22

      @nebulon it was at whatever the default is (256MB?) I've now upped it to 512MB to see if that stops it. Plenty of spare RAM on the machine.

      I use Cloudron with Gandi & Hetzner

      1 Reply Last reply
      0
      • 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 Away
          nebulonN Away
          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
              0
              • 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
                      0
                      • 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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