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  3. Backup fails - "task 475 crashed with code null and signal SIGABRT"

Backup fails - "task 475 crashed with code null and signal SIGABRT"

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    • necrevistonnezrN Offline
      necrevistonnezrN Offline
      necrevistonnezr
      wrote on last edited by
      #1

      All my backup tasks crashed overnight

      task 475 crashed with code null and signal SIGABRT
      

      I'm using the following settings:

      Provider: filesystem
      Location: /media/CloudronBackup
      Storage Format: rsync
      Hardlinks: yes
      Retention time: 1 week
      

      Logs: https://paste.cloudron.io/anahomiduw.php

      murgeroM 1 Reply Last reply
      0
      • necrevistonnezrN necrevistonnezr

        All my backup tasks crashed overnight

        task 475 crashed with code null and signal SIGABRT
        

        I'm using the following settings:

        Provider: filesystem
        Location: /media/CloudronBackup
        Storage Format: rsync
        Hardlinks: yes
        Retention time: 1 week
        

        Logs: https://paste.cloudron.io/anahomiduw.php

        murgeroM Offline
        murgeroM Offline
        murgero
        App Dev
        wrote on last edited by
        #2

        @necrevistonnezr

        Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory

        Is there error here. I am not sure of a fix, but hope it helps you find one.

        --
        https://urgero.org
        ~ Professional Nerd. Freelance Programmer. ~

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        • nebulonN Away
          nebulonN Away
          nebulon
          Staff
          wrote on last edited by
          #3

          Hi there, can you try following the guide how to increase the memory limit for those processes at https://cloudron.io/documentation/troubleshooting/#backups ?

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          • necrevistonnezrN Offline
            necrevistonnezrN Offline
            necrevistonnezr
            wrote on last edited by
            #4

            In

            /etc/systemd/system/box.service
            

            I currently have this setting:

            MemoryMax=400M
            
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            • nebulonN Away
              nebulonN Away
              nebulon
              Staff
              wrote on last edited by
              #5

              Does the server run out of memory for the whole system during a backup?

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              • necrevistonnezrN Offline
                necrevistonnezrN Offline
                necrevistonnezr
                wrote on last edited by
                #6

                Not that I recall - the only thing "out of the ordinary" is the preview generator task by Nextcloud currently (see https://forum.cloudron.io/topic/1716/nextcloud-preview-generator-cron-trouble)

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                • nebulonN Away
                  nebulonN Away
                  nebulon
                  Staff
                  wrote on last edited by nebulon
                  #7

                  That box.service file also contains a value for --max_old_space_size= can you set this higher as well and retry? After editing the file, you have to run:

                  systemctl daemon-reload
                  systemctl restart box
                  
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                  • necrevistonnezrN Offline
                    necrevistonnezrN Offline
                    necrevistonnezr
                    wrote on last edited by
                    #8

                    Changed the Setting from 150 to 300. Backup still crashes.

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                    • girishG Offline
                      girishG Offline
                      girish
                      Staff
                      wrote on last edited by
                      #9

                      @necrevistonnezr I pinged you on chat, will ping again tomorrow.

                      1 Reply Last reply
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                      • girishG Offline
                        girishG Offline
                        girish
                        Staff
                        wrote on last edited by
                        #10

                        @necrevistonnezr Thanks for helping debug this further!

                        For the rest: The issue is that there are a large number of files (> 400k) getting backed up and the syncer code is running out of memory since it loads all those filenames in memory. I will get this fixed in the next version. For now, disable automatic backups for nextcloud.

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                        • nebulonN nebulon referenced this topic on
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