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    High Utilization and PHP Warnings

    Scheduled Pinned Locked Moved Solved
    FOG Problems
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    • Scott BS
      Scott B
      last edited by

      Ubuntu 14 with SVN 5662

      I’m getting very poor performance after recent svn. Checking the apache log its showing PHP errors like crazy. Ideas?

      [Mon Dec 07 12:46:25.124860 2015] [:error] [pid 14924] [client 10.195.72.88:54010] PHP Warning:  Cannot modify header information - headers already sent in Unknown on line 0
[Mon Dec 07 12:46:25.212688 2015] [:error] [pid 14778] [client 10.195.65.167:58842] PHP Warning:  Cannot modify header information - headers already sent in Unknown on line 0
[Mon Dec 07 12:46:25.251499 2015] [:error] [pid 14899] [client 10.195.84.122:52050] PHP Warning:  Cannot modify header information - headers already sent in Unknown on line 0
      1 Reply Last reply Reply Quote 0
      • george1421G
        george1421 Moderator
        last edited by

        I’m not seeing this issue with my dev server. Can you associate that above error message with a specific action or page?

        Also what does top show as the process with the most CPU consumed?

        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!

        Scott BS 1 Reply Last reply Reply Quote 0
        • Scott BS
          Scott B @george1421
          last edited by

          @george1421 said:

          I’m not seeing this issue with my dev server. Can you associate that above error message with a specific action or page?

          Also what does top show as the process with the most CPU consumed?

          top shows mysql taking the most resources. seems to happen the most when I do list all hosts or click membership from inside a group.

          Wayne WorkmanW 1 Reply Last reply Reply Quote 0
          • Wayne WorkmanW
            Wayne Workman @Scott B
            last edited by

            @Scott-B on the dashboard in “System Overview”, what are the load averages showing as?

            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/

            Scott BS 1 Reply Last reply Reply Quote 0
            • Wayne WorkmanW
              Wayne Workman
              last edited by

              I’m seeing very high CPU Utilization from systemd-udevd. I’m running Fedora 23 in my building, our other buildings are seeing the same on CentOS7.

              0_1449522855802_upload-a0a4a89b-5aba-41bf-b47e-7c7a3644385d

              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/

              1 Reply Last reply Reply Quote 0
              • Tom ElliottT
                Tom Elliott
                last edited by

                Do you see better utilization of you stop the fog multicast manager service, fog image replicator service, and fog snapin replicator service?

                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

                Wayne WorkmanW 1 Reply Last reply Reply Quote 0
                • Wayne WorkmanW
                  Wayne Workman @Tom Elliott
                  last edited by

                  @Tom-Elliott No. I did this:
                  systemctl stop FOG{MulticastManager,ImageReplicator,SnapinReplicator}

                  And:
                  systemctl status FOG{MulticastManager,ImageReplicator,SnapinReplicator}

                  ● FOGMulticastManager.service - FOGMulticastManager
   Loaded: loaded (/usr/lib/systemd/system/FOGMulticastManager.service; enabled; vendor preset: disabled)
   Active: inactive (dead) since Mon 2015-12-07 15:38:23 CST; 1min 7s ago
 Main PID: 14638 (code=exited, status=0/SUCCESS)

Dec 07 15:12:19 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Started FOGMulticastManager.
Dec 07 15:12:19 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Starting FOGMulticastManager...
Dec 07 15:38:23 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Stopping FOGMulticastManager...
Dec 07 15:38:23 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Stopped FOGMulticastManager.

● FOGImageReplicator.service - FOGImageReplicator
   Loaded: loaded (/usr/lib/systemd/system/FOGImageReplicator.service; enabled; vendor preset: disabled)
   Active: inactive (dead) since Mon 2015-12-07 15:38:23 CST; 1min 7s ago
 Main PID: 14644 (code=exited, status=0/SUCCESS)

Dec 07 15:12:19 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Started FOGImageReplicator.
Dec 07 15:12:19 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Starting FOGImageReplicator...
Dec 07 15:38:23 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Stopping FOGImageReplicator...
Dec 07 15:38:23 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Stopped FOGImageReplicator.

● FOGSnapinReplicator.service - FOGSnapinReplicator
   Loaded: loaded (/usr/lib/systemd/system/FOGSnapinReplicator.service; enabled; vendor preset: disabled)
   Active: inactive (dead) since Mon 2015-12-07 15:38:23 CST; 1min 7s ago
 Main PID: 14650 (code=exited, status=0/SUCCESS)

Dec 07 15:12:19 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Started FOGSnapinReplicator.
Dec 07 15:12:19 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Starting FOGSnapinReplicator...
Dec 07 15:38:23 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Stopping FOGSnapinReplicator...
Dec 07 15:38:23 mbfog.mb.OMITTED.k12.mo.us systemd[1]: Stopped FOGSnapinReplicator.

                  0_1449524460305_upload-08306046-6707-4ea2-aa21-f144ad726fdc

                  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/

                  Tom ElliottT 1 Reply Last reply Reply Quote 0
                  • Tom ElliottT
                    Tom Elliott @Wayne Workman
                    last edited by

                    @Wayne-Workman what does your service manager log look like? Yes the service master.

                    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

                    Wayne WorkmanW 1 Reply Last reply Reply Quote 0
                    • Wayne WorkmanW
                      Wayne Workman @Tom Elliott
                      last edited by

                      @Tom-Elliott Not good…

                      0_1449524655463_upload-322611f7-da94-4988-b2ff-9d705c72a362

                      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/

                      1 Reply Last reply Reply Quote 0
                      • Wayne WorkmanW
                        Wayne Workman
                        last edited by Wayne Workman

                        running tail -n 1 /opt/fog/log/groupmanager.log produces a massive wall of text…

                        [root@mbfog log]# ls -laht
total 133M
-rw-r--r--. 1 root   root   4.7K Dec  7 15:47 fogscheduler.log
-rw-r--r--. 1 root   root   1.5K Dec  7 15:47 pinghosts.log
-rwxr--r--. 1 apache apache 103M Dec  7 15:38 servicemaster.log
-rw-r--r--. 1 root   root   7.4K Dec  7 15:38 multicast.log
-rw-r--r--. 1 root   root   2.8K Dec  7 15:32 fogreplicator.log
-rwxr--r--. 1 apache apache 763K Dec  7 15:32 groupmanager.log
-rw-r--r--. 1 root   root   2.0K Dec  7 15:32 fogsnapinrep.log
drwxr--r--. 2 apache apache 4.0K Dec  7 15:12 .
drwxr--r--. 7 apache apache   94 Nov 24 11:04 ..
-rwxr--r--. 1 apache apache  89K Nov 24 11:04 multicast.log.udpcast.16
-rwxr--r--. 1 apache apache 5.4M Nov 24 11:04 multicast.log.udpcast.20
-rwxr--r--. 1 apache apache 342K Nov 24 11:04 multicast.log.udpcast.26
-rwxr--r--. 1 apache apache  189 Nov 24 11:04 multicast.log.udpcast.23
-rwxr--r--. 1 apache apache   99 Nov 24 11:04 multicast.log.udpcast.25
-rwxr--r--. 1 apache apache 7.6M Nov 24 11:04 multicast.log.udpcast.30
-rwxr--r--. 1 apache apache  210 Nov 24 11:04 multicast.log.udpcast.33
-rwxr--r--. 1 apache apache 2.4M Nov 24 11:04 multicast.log.udpcast.32
-rwxr--r--. 1 apache apache  11M Nov 24 11:04 multicast.log.udpcast.34
-rwxr--r--. 1 apache apache 3.2M Nov 24 11:04 multicast.log.udpcast.35
-rwxr--r--. 1 apache apache   99 Nov 24 11:04 multicast.log.udpcast.21
-rwxr--r--. 1 apache apache   99 Nov 24 11:04 multicast.log.udpcast.22
-rwxr--r--. 1 apache apache  59K Nov 24 11:04 multicast.log.udpcast.19
-rwxr--r--. 1 apache apache  210 Nov 24 11:04 multicast.log.udpcast.31
-rwxr--r--. 1 apache apache 146K Nov 24 11:04 multicast.log.udpcast.29

                        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/

                        1 Reply Last reply Reply Quote 0
                        • Wayne WorkmanW
                          Wayne Workman
                          last edited by

                          [root@mbfog log]# tail -n 50 servicemaster.log

                          [12-07-15 8:55:40 am] FOGPingHosts fork()ed child process (1597).
[12-07-15 8:55:40 am] FOGPingHosts child process (1597) is running.
[12-07-15 8:55:40 am] FOGTaskScheduler Start
[12-07-15 8:55:40 am] FOGTaskScheduler fork()ed child process (1601).
[12-07-15 8:55:40 am] FOGTaskScheduler child process (1601) is running.
[12-07-15 8:55:40 am] FOGImageReplicator Start
[12-07-15 8:55:40 am] FOGImageReplicator fork()ed child process (1602).
[12-07-15 8:55:40 am] FOGImageReplicator child process (1602) is running.
[12-07-15 8:55:40 am] FOGMulticastManager Start
[12-07-15 8:55:40 am] FOGMulticastManager fork()ed child process (1603).
[12-07-15 8:55:40 am] FOGMulticastManager child process (1603) is running.
[12-07-15 3:11:22 pm] service_signal_handler (1580) received signal 2.
[12-07-15 3:11:22 pm] service_signal_handler (1580) killing child (1603).
[12-07-15 3:11:22 pm] service_signal_handler (1580) exiting.
[12-07-15 3:11:22 pm] service_signal_handler (1583) received signal 2.
[12-07-15 3:11:22 pm] service_signal_handler (1583) killing child (1596).
[12-07-15 3:11:22 pm] service_signal_handler (1583) exiting.
[12-07-15 3:11:22 pm] service_signal_handler (1584) received signal 2.
[12-07-15 3:11:22 pm] service_signal_handler (1584) killing child (1602).
[12-07-15 3:11:22 pm] service_signal_handler (1584) exiting.
[12-07-15 3:11:22 pm] service_signal_handler (1582) received signal 2.
[12-07-15 3:11:22 pm] service_signal_handler (1582) killing child (1601).
[12-07-15 3:11:22 pm] service_signal_handler (1582) exiting.
[12-07-15 3:11:23 pm] service_signal_handler (1581) received signal 2.
[12-07-15 3:11:23 pm] service_signal_handler (1581) killing child (1597).
[12-07-15 3:11:23 pm] service_signal_handler (1581) exiting.
[12-07-15 3:12:19 pm] FOGMulticastManager Start
[12-07-15 3:12:19 pm] FOGMulticastManager fork()ed child process (14699).
[12-07-15 3:12:19 pm] FOGMulticastManager child process (14699) is running.
[12-07-15 3:12:19 pm] FOGImageReplicator Start
[12-07-15 3:12:19 pm] FOGImageReplicator fork()ed child process (14701).
[12-07-15 3:12:19 pm] FOGImageReplicator child process (14701) is running.
[12-07-15 3:12:19 pm] FOGImageReplicator Start
[12-07-15 3:12:19 pm] FOGPingHosts Start
[12-07-15 3:12:19 pm] FOGImageReplicator fork()ed child process (14709).
[12-07-15 3:12:19 pm] FOGImageReplicator child process (14709) is running.
[12-07-15 3:12:19 pm] FOGPingHosts fork()ed child process (14710).
[12-07-15 3:12:19 pm] FOGPingHosts child process (14710) is running.
[12-07-15 3:12:19 pm] FOGTaskScheduler Start
[12-07-15 3:12:19 pm] FOGTaskScheduler fork()ed child process (14718).
[12-07-15 3:12:19 pm] FOGTaskScheduler child process (14718) is running.
[12-07-15 3:38:23 pm] service_signal_handler (14638) received signal 2.
[12-07-15 3:38:23 pm] service_signal_handler (14638) killing child (14699).
[12-07-15 3:38:23 pm] service_signal_handler (14638) exiting.
[12-07-15 3:38:23 pm] service_signal_handler (14644) received signal 2.
[12-07-15 3:38:23 pm] service_signal_handler (14644) killing child (14709).
[12-07-15 3:38:23 pm] service_signal_handler (14644) exiting.
[12-07-15 3:38:23 pm] service_signal_handler (14650) received signal 2.
[12-07-15 3:38:23 pm] service_signal_handler (14650) killing child (14701).
[12-07-15 3:38:23 pm] service_signal_handler (14650) exiting.

                          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/

                          1 Reply Last reply Reply Quote 0
                          • Wayne WorkmanW
                            Wayne Workman
                            last edited by

                            tail -n 1 groupmanager.log

                            0_1449525027511_upload-ca31ce63-4cf9-40f8-a2b9-415ae478dfde

                            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/

                            1 Reply Last reply Reply Quote 0
                            • Wayne WorkmanW
                              Wayne Workman
                              last edited by

                              I just updated to svn revision 4509 Cloud 5676 and I’m still seeing this problem.

                              Fedora 23 Server minimal, fully updated.

                              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/

                              1 Reply Last reply Reply Quote 0
                              • Scott BS
                                Scott B
                                last edited by

                                I have similar results to @Wayne-Workman.

                                1 Reply Last reply Reply Quote 0
                                • Scott BS
                                  Scott B @Wayne Workman
                                  last edited by

                                  @Wayne-Workman said:

                                  @Scott-B on the dashboard in “System Overview”, what are the load averages showing as?

                                  Load Average 137.08, 142.08, 137.60

                                  1 Reply Last reply Reply Quote 0
                                  • Tom ElliottT
                                    Tom Elliott
                                    last edited by

                                    What VM is FOG in? I may need to remote in once I get back from my appointment to see your issue. Right now, Wayne’s issue is not related to fog in any way. It is because he’s running a hyper-v VM and the systemd-udev is using all the cpu trying to set a file it can’t access.

                                    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

                                    Scott BS 1 Reply Last reply Reply Quote 0
                                    • Scott BS
                                      Scott B @Tom Elliott
                                      last edited by Scott B

                                      @Tom-Elliott said:

                                      What VM is FOG in? I may need to remote in once I get back from my appointment to see your issue. Right now, Wayne’s issue is not related to fog in any way. It is because he’s running a hyper-v VM and the systemd-udev is using all the cpu trying to set a file it can’t access.

                                      Our two FOG servers are both physical boxes.

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