Fail to start Redis Server

Support
,
1

Bonjour,

Sur une installation toute neuve mon service Redis ne démarre pas. J’ai essayé un apt-get reinstall mais ça n’a rien changé.

janv. 22 08:01:54 systemd[1]: Starting Advanced key-value store...
janv. 22 08:01:54 systemd[1]: redis-server.service: Can't open PID file /run/redis/redis-server.pid (yet?) after start: No such file or directory
janv. 22 08:01:54 systemd[1]: Started Advanced key-value store.
janv. 22 08:01:54 systemd[1]: redis-server.service: Main process exited, code=exited, status=1/FAILURE
janv. 22 08:01:54 systemd[1]: redis-server.service: Failed with result 'exit-code'.
janv. 22 08:01:54 systemd[1]: redis-server.service: Service RestartSec=100ms expired, scheduling restart.
janv. 22 08:01:54 systemd[1]: redis-server.service: Scheduled restart job, restart counter is at 5.
janv. 22 08:01:54 systemd[1]: Stopped Advanced key-value store.
janv. 22 08:01:54 systemd[1]: redis-server.service: Start request repeated too quickly.
janv. 22 08:01:54 systemd[1]: redis-server.service: Failed with result 'exit-code'.
janv. 22 08:01:54 systemd[1]: Failed to start Advanced key-value store.

Du coup, je n’arrive pas à installer NextCloud 20 qui échoue à l’appel de Redis.

Les suggestions sont les bienvenues.

2

Hmokay, si tu regardes l’autre fichier de log (/var/log/redis/redis-server.log) que tu devrais pouvoir trouver dans l’interface d’admin dans Services > redis, est-ce qu’il y a des choses intéressantes dedans ?

Tu peux aussi faire tail -n 50 /var/log/redis/redis-server.log si tu veux le faire en ligne de commande…

3

L’interface d’admin ne me montre qu’un seul fichier. J’en ai vu 2 au début mais je crois que suite au apt-get reinstall elle n’en affiche plus qu’un.

800:C 22 Jan 2021 12:16:12.108 # Configuration loaded
801:M 22 Jan 2021 12:16:12.116 # Warning: 32 bit instance detected but no memory limit set. Setting 3 GB maxmemory limit with 'noeviction' policy now.
                _._
           _.-``__ ''-._
      _.-``    `.  `_.  ''-._           Redis 5.0.3 (00000000/0) 32 bit
  .-`` .-```.  ```\/    _.,_ ''-._
 (    '      ,       .-`  | `,    )     Running in standalone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
 |    `-._   `._    /     _.-'    |     PID: 801
  `-._    `-._  `-./  _.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |           http://redis.io
  `-._    `-._`-.__.-'_.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |
  `-._    `-._`-.__.-'_.-'    _.-'
      `-._    `-.__.-'    _.-'
          `-._        _.-'
              `-.__.-'

801:M 22 Jan 2021 12:16:12.118 # Server initialized
801:M 22 Jan 2021 12:16:12.118 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
801:M 22 Jan 2021 12:16:12.118 # Wrong signature trying to load DB from file
801:M 22 Jan 2021 12:16:12.119 # Fatal error loading the DB: Invalid argument. Exiting.
807:C 22 Jan 2021 12:16:12.391 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
807:C 22 Jan 2021 12:16:12.391 # Redis version=5.0.3, bits=32, commit=00000000, modified=0, pid=807, just started
807:C 22 Jan 2021 12:16:12.391 # Configuration loaded
808:M 22 Jan 2021 12:16:12.398 # Warning: 32 bit instance detected but no memory limit set. Setting 3 GB maxmemory limit with 'noeviction' policy now.
                _._
           _.-``__ ''-._
      _.-``    `.  `_.  ''-._           Redis 5.0.3 (00000000/0) 32 bit
  .-`` .-```.  ```\/    _.,_ ''-._
 (    '      ,       .-`  | `,    )     Running in standalone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
 |    `-._   `._    /     _.-'    |     PID: 808
  `-._    `-._  `-./  _.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |           http://redis.io
  `-._    `-._`-.__.-'_.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |
  `-._    `-._`-.__.-'_.-'    _.-'
      `-._    `-.__.-'    _.-'
          `-._        _.-'
              `-.__.-'

808:M 22 Jan 2021 12:16:12.401 # Server initialized
808:M 22 Jan 2021 12:16:12.401 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
808:M 22 Jan 2021 12:16:12.401 # Wrong signature trying to load DB from file
808:M 22 Jan 2021 12:16:12.401 # Fatal error loading the DB: Invalid argument. Exiting.
4

Wokay … Not sure what the hell is happening but I guess we can follow this advice …

  • Find the dump.rdb: sudo find / -name *.rdb
  • Move the correspoding file elsewhere, for example mv /var/lib/redis/dump.rdb /root/dump.rdb.bkp
  • Try to restart redis
1 Like
5

After reading the log I found the answer on docker - Redis - Wrong signature trying to load DB from file - Stack Overflow. I tested it (renaming instead of deleting). And it works :slight_smile:

I was just about to tell it when you wrote your message. Thanks for you help @Aleks, as usual.

6

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