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  3. memcached server and php-memcached

memcached server and php-memcached

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memcache
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  • girishG girish

    @rmdes Can you check if memcached is running at all (just to make sure you selected the correct branch when building). You can do this with supervisorctl status.

    root@dfa78176-bd47-44ed-9d07-3e66265886b7:/app/data# supervisorctl status
    apache2                          RUNNING   pid 22, uptime 0:00:15
    cron                             RUNNING   pid 21, uptime 0:00:15
    memcached                        RUNNING   pid 20, uptime 0:00:15
    root@dfa78176-bd47-44ed-9d07-3e66265886b7:/app/data# echo "stats settings" | nc localhost 11211
    STAT maxbytes 67108864
    STAT maxconns 1024
    STAT tcpport 11211
    STAT udpport 0
    STAT inter 127.0.0.1
    STAT verbosity 0
    ....
    
    rmdesR Offline
    rmdesR Offline
    rmdes
    wrote on last edited by
    #8

    @girish I have

    root@659d2867-1273-4c51-b7e7-765edf705c2d:/app/data# supervisorctl status
    apache2                          RUNNING   pid 19, uptime 1 day, 22:13:15
    cron                             RUNNING   pid 18, uptime 1 day, 22:13:15
    
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    • girishG girish

      @rmdes Can you check if memcached is running at all (just to make sure you selected the correct branch when building). You can do this with supervisorctl status.

      root@dfa78176-bd47-44ed-9d07-3e66265886b7:/app/data# supervisorctl status
      apache2                          RUNNING   pid 22, uptime 0:00:15
      cron                             RUNNING   pid 21, uptime 0:00:15
      memcached                        RUNNING   pid 20, uptime 0:00:15
      root@dfa78176-bd47-44ed-9d07-3e66265886b7:/app/data# echo "stats settings" | nc localhost 11211
      STAT maxbytes 67108864
      STAT maxconns 1024
      STAT tcpport 11211
      STAT udpport 0
      STAT inter 127.0.0.1
      STAT verbosity 0
      ....
      
      rmdesR Offline
      rmdesR Offline
      rmdes
      wrote on last edited by rmdes
      #9

      @girish I think I did selected the correct branch, because when I do git branch I have this
      10a6b05b-62a2-454e-b2f7-d4d25f997c9b-image.png

      And I did the build and the install from this branch.

      I probably did something wrong tho since memcached is not even running and the test put in place by the devs goes like this :
      Fatal error: Uncaught Error: Class 'Memcached' not found in /app/data/public/index.php:24 Stack trace: #0 {main} thrown in /app/data/public/index.php on line 24

      if (!$connection = pg_connect ("host=".getenv("CLOUDRON_POSTGRESQL_HOST")." dbname=". getenv("CLOUDRON_POSTGRESQL_DATABASE") ." user=" . getenv("CLOUDRON_POSTGRESQL_USERNAME")." password=" .getenv("CLOUDRON_POSTGRESQL_PASSWORD") ."")) {
          $error = error_get_last();
          echo "Connection to the PostgreSQL database failed. Error was: ". $error['message']. "\n";
      } else {
          echo "Connected to the PostgreSQL database.\n";
      }
      
      print_r(get_loaded_extensions());
      
      $memcached = new Memcached();
      $memcached->addServer('172.18.0.158', 11211);
      
      phpinfo();
      exit;
      
      ?>
      
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      • rmdesR rmdes

        When I test echo "stats settings" | nc localhost 11211 on the web terminal I get :
        localhost [127.0.0.1] 11211 (?) : Connection refused

        Do I need to make this test under a specific user perhaps ?

        rmdesR Offline
        rmdesR Offline
        rmdes
        wrote on last edited by
        #10

        I got this from the devs of the custom web app :

        So far: postgresql and memcached servers available - OK;
        Missing: php-memcached extension (so I can't make use of the memcached server capabilities within a php script) - not OK

        Please also don't forget about nginx x-accel, can you add an entry to the nginx conf file for that?


        Not sure how to proceed

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        • rmdesR Offline
          rmdesR Offline
          rmdes
          wrote on last edited by rmdes
          #11

          by inspecting php.ini in the container, I went to the extension section and added
          extension=memcache

          Aug 31 14:29:58 PHP Warning: PHP Startup: Unable to load dynamic library 'memcache' (tried: /usr/lib/php/20180731/memcache (/usr/lib/php/20180731/memcache: cannot open shared object file: No such file or directory), /usr/lib/php/20180731/memcache.so (/usr/lib/php/20180731/memcache.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
          

          So does this mean the memcache server is not properly installed ?

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          • girishG Offline
            girishG Offline
            girish
            Staff
            wrote on last edited by
            #12

            I think the image you are using is wrong. php-memcached is also installed in the same patch as memcached itself - https://git.cloudron.io/cloudron/php7.3-postgres-app/-/commit/12c40aba6a3f05ad245290882fef9743bafed7c5#6651ddff6eb82c840ced7c1dddee15c6e1913dd4_8_7

            Can you tell me the command you used to build and update the image? Also, what is the CLI version ? It should be 4.5.2.

            $ cloudron --version
            4.5.2
            
            rmdesR 1 Reply Last reply
            0
            • girishG girish

              I think the image you are using is wrong. php-memcached is also installed in the same patch as memcached itself - https://git.cloudron.io/cloudron/php7.3-postgres-app/-/commit/12c40aba6a3f05ad245290882fef9743bafed7c5#6651ddff6eb82c840ced7c1dddee15c6e1913dd4_8_7

              Can you tell me the command you used to build and update the image? Also, what is the CLI version ? It should be 4.5.2.

              $ cloudron --version
              4.5.2
              
              rmdesR Offline
              rmdesR Offline
              rmdes
              wrote on last edited by
              #13

              @girish I'm on 4.5.2
              the command I used after git clone
              was cloudron build --local
              then cloudron install
              and that's it..

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              • girishG Offline
                girishG Offline
                girish
                Staff
                wrote on last edited by
                #14

                @rmdes Can you try cloudron exec and then check if /etc/supervisor/conf.d/memcache.conf exists? Otherwise, you are not using the correct build (not sure where the problem could be though).

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                • rmdesR Offline
                  rmdesR Offline
                  rmdes
                  wrote on last edited by
                  #15

                  @rmdes said in memcached server and php-memcached:

                  supervisorctl status

                  Yay!!!!

                  c7d3fff5-3f47-45c5-a67a-bf853e20d50f-image.png

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                  • rmdesR Offline
                    rmdesR Offline
                    rmdes
                    wrote on last edited by
                    #16

                    Not sure what happened to my original git clone folder but by downloading the zip file from the memcache branch and then doing cloudron build --local & cloudron install I got it working !

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                    • rmdesR Offline
                      rmdesR Offline
                      rmdes
                      wrote on last edited by
                      #17

                      @girish said in memcached server and php-memcached:

                      /etc/supervisor/conf.d/memcache.conf

                      Confirm this exists now 🙂

                      output of echo "stats settings" | nc localhost 11211

                      0d442845-118a-4aab-939e-583e3b383db8-image.png

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