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1.3.4 - high cpu load - client login

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  • U
    UWPVIOLATOR @Tom Elliott
    last edited by Feb 24, 2017, 2:43 PM

    @Tom-Elliott

    One thing we notice that is still not working is WOL to Groups. WOL works for individual hosts but not for WOL to a Group. Also Report Management does not return anything for any of the reports.

    0_1487947390955_upload-5fe577c4-0a56-45fb-8c67-d85dafcc384a

    1 Reply Last reply Reply Quote 0
    • F
      Florent @Tom Elliott
      last edited by Feb 28, 2017, 3:40 PM

      @Tom-Elliott said in 1.3.4 - high cpu load - client login:

      11

      Hi,
      We have the same problem.
      Is this problem is resolved in RC10 ?
      Or when RC11 available ?

      Regards.

      Florent
      Bretagne, FRANCE

      T 1 Reply Last reply Feb 28, 2017, 3:48 PM Reply Quote 0
      • T
        Tom Elliott @Florent
        last edited by Feb 28, 2017, 3:48 PM

        @Florent What is:

        “We have the same problem.”?

        I ask because there seems to be multiple issues being described in this thread, while the primary issue was related to High CPU. Are you referring to High CPU usage being an issue?

        Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

        Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

        Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

        F 1 Reply Last reply Feb 28, 2017, 4:53 PM Reply Quote 0
        • F
          Florent @Tom Elliott
          last edited by Feb 28, 2017, 4:53 PM

          @Tom-Elliott
          Thanks for your response (my english is not very good).

          Yes we have high CPU usage since we have deploy the new client (0.11.9) with GPO.

          We have try to modify FOG_CLIENT_CHECKIN_TIME but we think value over 60 seconds are no effects.
          In our client log we see in general a contact server every 60-200 seconds.
          We have more than 1500 clients.

          If the problem is here is it possible to modify checkin time to 15 minutes ?

          Or if the problem is not this where i can find informations for identify in detail the source of the problem ?

          Regards

          Florent
          Bretagne, FRANCE

          1 Reply Last reply Reply Quote 0
          • U
            UWPVIOLATOR @UWPVIOLATOR
            last edited by Feb 28, 2017, 5:01 PM

            @Florent

            Do you see something like this in your processes on your FOG server?

            We Disabled IMAGEREPLICATORGLOBALENABLED until Tom fixes the image checking in the next RC.

            F 1 Reply Last reply Feb 28, 2017, 5:57 PM Reply Quote 0
            • F
              Florent @UWPVIOLATOR
              last edited by Feb 28, 2017, 5:57 PM

              @UWPVIOLATOR
              Just do this on Web interface / fog settings or after restart apache ?

              Florent
              Bretagne, FRANCE

              T 1 Reply Last reply Feb 28, 2017, 5:59 PM Reply Quote 0
              • T
                Tom Elliott @Florent
                last edited by Feb 28, 2017, 5:59 PM

                @Florent In the GUI.

                FOG Configuration Page->FOG Settings->FOG Linux Service Enabled

                Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                F 1 Reply Last reply Feb 28, 2017, 7:02 PM Reply Quote 0
                • A
                  ablohowiak
                  last edited by Feb 28, 2017, 6:56 PM

                  Tom,
                  We added back about 75% of our clients and the load has remained stable and UI responsive. I was trying to update to 1.3.5-RC10, but the install failed.

                  • Downloading inits, kernels, and the fog client…Failed!

                  Feb 28 12:47:24 FogDB systemd[1]: Starting MySQL Community Server…
                  Feb 28 12:47:26 FogDB systemd[1]: Started MySQL Community Server.
                  mysql: [Warning] Using a password on the command line interface can be insecure.
                  ERROR 1045 (28000): Access denied for user ‘root’@‘localhost’ (using password: YES)
                  mysql: [Warning] Using a password on the command line interface can be insecure.
                  ERROR 1045 (28000): Access denied for user ‘root’@‘localhost’ (using password: YES)

                  At this point there’s basically no fog site in apache. I’m reverting back to my last snapshot.

                  1 Reply Last reply Reply Quote 0
                  • F
                    Florent @Tom Elliott
                    last edited by Feb 28, 2017, 7:02 PM

                    @Tom-Elliott Yes imagereplicatorglobalenabled is not checked

                    Florent
                    Bretagne, FRANCE

                    1 Reply Last reply Reply Quote 0
                    • F
                      Florent @UWPVIOLATOR
                      last edited by Feb 28, 2017, 7:13 PM

                      @UWPVIOLATOR said in 1.3.4 - high cpu load - client login:

                      Increased MaxRequestWorkers from 150 to 500 in mpm_prefork_module
                      Hi,
                      Where you have put this parameter because i try in my apache2.conf in prefork module but not valid after i restart apache2

                      Florent
                      Bretagne, FRANCE

                      1 Reply Last reply Reply Quote 0
                      • A
                        ablohowiak
                        last edited by Feb 28, 2017, 7:27 PM

                        So no improvement with imagereplicatorglobalenabled off?

                        With this issue I’ve increase my client communication up to 30 minutes. I will reduce when I know things have stabilized.

                        In Ubuntu, see which mpm you have enabled. There should only be one in /etc/apache2/mods-enabled. That’s the file you would edit to increase the MaxRequestWorkers. Make a copy of the file before editing.

                        F 1 Reply Last reply Feb 28, 2017, 7:47 PM Reply Quote 0
                        • F
                          Florent @ablohowiak
                          last edited by Feb 28, 2017, 7:47 PM

                          @ablohowiak said in 1.3.4 - high cpu load - client login:

                          So no improvement with imagereplicatorglobalenabled off?

                          No 😞

                          With this issue I’ve increase my client communication up to 30 minutes. >I will reduce when I know things have stabilized.

                          Where you have up to 30 minutes your client communication , “checkin time parameter” ?

                          Florent
                          Bretagne, FRANCE

                          1 Reply Last reply Reply Quote 0
                          • A
                            ablohowiak
                            last edited by Feb 28, 2017, 7:49 PM

                            Yes.
                            0_1488311359134_upload-489b07bb-a854-4310-a7a9-8990ae16e77d

                            F 2 Replies Last reply Feb 28, 2017, 8:26 PM Reply Quote 0
                            • F
                              Florent @ablohowiak
                              last edited by Feb 28, 2017, 8:26 PM

                              @ablohowiak
                              Oh very thanks it’s works !
                              I was thinking test this before but maybe not with “imagereplicatorfogenabled” at off.
                              After few minutes cpu is ok.

                              Thanks.

                              Florent
                              Bretagne, FRANCE

                              1 Reply Last reply Reply Quote 0
                              • F
                                Florent @ablohowiak
                                last edited by Mar 1, 2017, 7:59 AM

                                @ablohowiak @Tom-Elliott

                                Hi,

                                Today it’s better but all the 30 minutes we have pic of 2 minutes.

                                In wiki it’s write (https://wiki.fogproject.org/wiki/index.php?title=FOG_Client😞

                                The frequency of the checkin-time determines how quickly the FOG Client will receive instructions from the FOG Server. If an image deployment is scheduled for a computer that is turned on, with a checkin-time of 60 seconds, means the FOG Client may begin initiating the task anywhere from 0 to 60 seconds + the random staggering time that is added. This same concept would apply to immediate power management tasks, snapin tasks, capture tasks, and so on. Scheduled tasks are not affected by this behavior, and if the target system is on when the scheduled task is to be ran, this will happen on time

                                How it’s possible to modify the random staggering range for spread over 10 minutes for example ?

                                Thanks.

                                Florent
                                Bretagne, FRANCE

                                W 1 Reply Last reply Mar 2, 2017, 4:30 AM Reply Quote 0
                                • W
                                  Wayne Workman @Florent
                                  last edited by Wayne Workman Mar 1, 2017, 10:33 PM Mar 2, 2017, 4:30 AM

                                  @Florent said in 1.3.4 - high cpu load - client login:

                                  How it’s possible to modify the random staggering range for spread over 10 minutes for example ?

                                  The staggering is not meant to be adjustable, what’s meant to be adjustable is the FOG_CLIENT_CHECKIN_TIME, this governs how often the FOG Client should check with the server. Assuming 10,000 computers power on all at exactly the same moment, over the course of the day the random staggering will cause all clients to spread out evenly with their check-ins. But nobody has 10,000 systems all powering on at the same second. Generally, organizations either A. leave their computers on all the time or B. allow the end-users to power them on.

                                  Also asking @Joe-Schmitt if he could give further explanation.

                                  Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                                  Daily Clean Installation Results:
                                  https://fogtesting.fogproject.us/
                                  FOG Reporting:
                                  https://fog-external-reporting-results.fogproject.us/

                                  F 1 Reply Last reply Mar 2, 2017, 5:08 PM Reply Quote 0
                                  • A
                                    ablohowiak
                                    last edited by Mar 2, 2017, 2:15 PM

                                    1.3.5-RC 10 and working fine.

                                    All clients are back on, I’ve already reduced the client check in time, and the load was fine for the start of the school day.

                                    The Image replicator service is still off.

                                    1 Reply Last reply Reply Quote 2
                                    • F
                                      Florent @Wayne Workman
                                      last edited by Mar 2, 2017, 5:08 PM

                                      @Wayne-Workman
                                      Hi,
                                      Ok i understand.
                                      Actually majority off our classroom reboot at the same time for software update in night (same time is residual effect with green fog on old version).
                                      I will adjust power management (good amelioration in this version) for spread out this reboot.

                                      Thanks.

                                      Florent
                                      Bretagne, FRANCE

                                      1 Reply Last reply Reply Quote 0
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