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FOG Server CPU usage 100%

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  • F
    Fernando Gietz Developer
    last edited by Nov 14, 2017, 6:16 PM

    In the develope environment I have other server, in this one I deleted 6500 entries and It works better.

    +------------------------+---------------+---------------+
    | Table Name             | Quant of Rows | Total Size Kb |
    +------------------------+---------------+---------------+
    | LDAPServers            |             1 |         14.32 |
    | clientUpdates          |             0 |          1.00 |
    | dirCleaner             |             0 |          1.00 |
    | globalSettings         |           183 |         73.87 |
    | greenFog               |             0 |          1.00 |
    | groupMembers           |           279 |        534.84 |
    | groups                 |            28 |         48.79 |
    | history                |         25895 |       5894.44 |
    | hookEvents             |           278 |         31.72 |
    | hostAutoLogOut         |           108 |         12.11 |
    | hostMAC                |          6938 |        787.91 |
    | hostScreenSettings     |           109 |         13.51 |
    | hosts                  |           480 |       1036.53 |
    | imageGroupAssoc        |           292 |         18.15 |
    | imagePartitionTypes    |            12 |          3.34 |
    | imageTypes             |             4 |          3.22 |
    | images                 |           292 |         71.45 |
    | imagingLog             |          1735 |        165.28 |
    | inventory              |           259 |         99.80 |
    | ipxeTable              |          1620 |        123.98 |
    | keySequence            |            35 |          2.79 |
    | moduleStatusByHost     |          6097 |        489.08 |
    | modules                |            13 |          5.66 |
    | multicastSessions      |          1208 |        138.77 |
    | multicastSessionsAssoc |         24929 |       1417.48 |
    | nfsFailures            |             0 |          1.00 |
    | nfsGroupMembers        |             1 |         12.18 |
    | nfsGroups              |             1 |          7.05 |
    | notifyEvents           |             5 |          9.14 |
    | os                     |            12 |          3.26 |
    +------------------------+---------------+---------------+
    
    1 Reply Last reply Reply Quote 0
    • W
      Wayne Workman @Fernando Gietz
      last edited by Nov 14, 2017, 6:18 PM

      @fernando-gietz said in FOG Server CPU usage 100%:

      The problem is the apache and his activity, it reaches to 100% of CPU.

      Are you using image replication?

      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 Nov 14, 2017, 6:19 PM Reply Quote 0
      • F
        Fernando Gietz Developer @Wayne Workman
        last edited by Nov 14, 2017, 6:19 PM

        @wayne-workman No. I have only one server and one node. But the service is running.

        W 1 Reply Last reply Nov 14, 2017, 6:19 PM Reply Quote 0
        • W
          Wayne Workman @Fernando Gietz
          last edited by Nov 14, 2017, 6:19 PM

          @fernando-gietz Turn it off please and see what happens. systemctl stop FOGImageReplicator or something like that.

          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 Nov 14, 2017, 6:28 PM Reply Quote 0
          • F
            Fernando Gietz Developer @Wayne Workman
            last edited by Nov 14, 2017, 6:28 PM

            @wayne-workman Nothing. the behavour is the same. I have restarted the apache too.

            W 2 Replies Last reply Nov 14, 2017, 6:33 PM Reply Quote 0
            • W
              Wayne Workman @Fernando Gietz
              last edited by Wayne Workman Nov 14, 2017, 12:35 PM Nov 14, 2017, 6:33 PM

              @fernando-gietz Please read through this: https://stackoverflow.com/questions/32006559/show-which-php-scripts-apache-is-currently-running

              We need to figure out what’s consuming all of your CPU. You say it’s httpd, but we don’t know anything further than that. Using the methods described in the thread above, you should be able to pin-point exactly which PHP script is consuming the CPU.

              Thread from stackoverflow copy/pasted below:

              You can get the current working directory and opened files using lsof. Sadly this does not include the script being run, but if scripts are in different directories, or open different files, you can distinguish between them. Eg the following shows a script in /var/www/stuff/php is running:

              sudo lsof -c http | grep cwd
              httpd   24475  id  cwd DIR 8,3     4096 1123403 /var/www/stuff/php
              

              You can configure apache to let you have the information. Add an entry like

              <Location /server-status>
                  SetHandler server-status
                  ...
              </Location>
              

              in your conf ensuring it is only made available to restricted remotes. Then browse to http://localhost/server-status and you will have a “ps” of running jobs. For example, this output shows gg.php is running (I’ve removed some columns):

              Srv PID     Acc     M CPU     SS Slot Client  VHost  Request
              0-0 23688   0/0/262 W 0.50    2  4.48 ::1     xxx:80 GET /php/gg.php HTTP/1.1
              1-0 23743   0/0/187 W 0.00    0  3.30 ::1     xxx:80 GET /server-status HTTP/1.1
              

              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
              • W
                Wayne Workman @Fernando Gietz
                last edited by Nov 14, 2017, 6:45 PM

                @fernando-gietz There is also the apachetop command that you might be able to use too. I almost forgot about this article but this shows how to use it: https://wiki.fogproject.org/wiki/index.php?title=Troubleshoot_Web_Interface Along with a list of historic threads where people have had high CPU problems in the past. (if we solve yours, it will be added to the list too).

                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
                • T
                  Tom Elliott @Fernando Gietz
                  last edited by Nov 14, 2017, 6:50 PM

                  @fernando-gietz I’m going to guess the tasks table is a bit on the high side maybe?

                  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 Nov 14, 2017, 7:03 PM Reply Quote 0
                  • F
                    Fernando Gietz Developer
                    last edited by Wayne Workman Nov 14, 2017, 12:56 PM Nov 14, 2017, 6:51 PM

                    Done.

                    [root@fog7 conf]# lsof -c http | grep cwd
                    httpd   13036   root  cwd       DIR              253,0      4096      128 /
                    httpd   13037 apache  cwd       DIR              253,2       133 23069131 /var/www/html/fog/management
                    httpd   13038 apache  cwd       DIR              253,0      4096      128 /
                    httpd   13039 apache  cwd       DIR              253,0      4096      128 /
                    httpd   13040 apache  cwd       DIR              253,0      4096      128 /
                    httpd   13041 apache  cwd       DIR              253,0      4096      128 /
                    httpd   13044 apache  cwd       DIR              253,2      4096  8388946 /var/www/html/fog/status
                    httpd   13118 apache  cwd       DIR              253,0      4096      128 /
                    httpd   13144 apache  cwd       DIR              253,0      4096      128 /
                    httpd   13145 apache  cwd       DIR              253,0      4096      128 /
                    

                    And now the output of server status

                    Server Version: Apache/2.4.6 (Red Hat Enterprise Linux) OpenSSL/1.0.2k-fips PHP/5.6.31
                    Server MPM: prefork
                    Server Built: Jul 26 2017 04:45:44
                    
                    Current Time: Tuesday, 14-Nov-2017 19:49:35 CET
                    Restart Time: Tuesday, 14-Nov-2017 19:44:15 CET
                    Parent Server Config. Generation: 1
                    Parent Server MPM Generation: 0
                    Server uptime: 5 minutes 20 seconds
                    Server load: 1.01 0.85 0.65
                    Total accesses: 557 - Total Traffic: 3.4 MB
                    CPU Usage: u167.78 s11.08 cu0 cs0 - 55.9% CPU load
                    1.74 requests/sec - 10.8 kB/second - 6.2 kB/request
                    3 requests currently being processed, 6 idle workers
                    
                    W____WW__.......................................................
                    ................................................................
                    ................................................................
                    ................................................................
                    
                    Scoreboard Key:
                    "_" Waiting for Connection, "S" Starting up, "R" Reading Request,
                    "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
                    "C" Closing connection, "L" Logging, "G" Gracefully finishing,
                    "I" Idle cleanup of worker, "." Open slot with no current process
                    
                    Srv	PID	Acc	M	CPU 	SS	Req	Conn	Child	Slot	Client	VHost	Request
                    0-0	13037	0/58/58	W 	5.22	120	0	0.0	0.19	0.19 	158.227.4.135	10.0.15.4:80	GET /fog/management/index.php?node=group&sub=membership&id=334
                    1-0	13038	0/75/75	_ 	6.88	2	107	0.0	0.27	0.27 	158.227.138.124	10.0.15.4:80	GET /fog/management/index.php?sub=requestClientInfo&configure&n
                    2-0	13039	0/76/76	_ 	6.59	2	0	0.0	0.23	0.23 	158.227.4.135	10.0.15.4:80	GET /server-status HTTP/1.1
                    3-0	13040	0/39/39	_ 	4.78	2	232	0.0	0.07	0.07 	158.227.138.124	10.0.15.4:80	GET /fog/management/index.php?sub=requestClientInfo&mac=94:57:A
                    4-0	13041	0/75/75	_ 	6.74	1	150	0.0	0.23	0.23 	158.227.115.42	10.0.15.4:80	GET /fog/management/index.php?node=task&sub=active&_=1510657597
                    5-0	13044	0/19/19	W 	131.09	87	0	0.0	1.69	1.69 	158.227.4.135	10.0.15.4:80	POST /fog/status/getservertime.php HTTP/1.1
                    6-0	13118	0/72/72	W 	7.25	0	0	0.0	0.23	0.23 	158.227.4.135	10.0.15.4:80	GET /server-status HTTP/1.1
                    7-0	13144	0/72/72	_ 	6.11	1	73	0.0	0.23	0.23 	158.227.138.124	10.0.15.4:80	GET /fog/service/getversion.php?newService&json HTTP/1.1
                    8-0	13145	0/71/71	_ 	4.20	2	75	0.0	0.24	0.24 	158.227.138.124	10.0.15.4:80	GET /fog/service/getversion.php?clientver&newService&json HTTP/
                    Srv	Child Server number - generation
                    PID	OS process ID
                    Acc	Number of accesses this connection / this child / this slot
                    M	Mode of operation
                    CPU	CPU usage, number of seconds
                    SS	Seconds since beginning of most recent request
                    Req	Milliseconds required to process most recent request
                    Conn	Kilobytes transferred this connection
                    Child	Megabytes transferred this child
                    Slot	Total megabytes transferred this slot
                    SSL/TLS Session Cache Status:
                    cache type: SHMCB, shared memory: 512000 bytes, current entries: 0
                    subcaches: 32, indexes per subcache: 88
                    index usage: 0%, cache usage: 0%
                    total entries stored since starting: 0
                    total entries replaced since starting: 0
                    total entries expired since starting: 0
                    total (pre-expiry) entries scrolled out of the cache: 0
                    total retrieves since starting: 0 hit, 0 miss
                    total removes since starting: 0 hit, 0 miss
                    
                    F 1 Reply Last reply Nov 14, 2017, 6:53 PM Reply Quote 0
                    • F
                      Fernando Gietz Developer @Fernando Gietz
                      last edited by Nov 14, 2017, 6:53 PM

                      @fernando-gietz

                      /fog/management/index.php?node=group&sub=membership&id=334
                      
                      1 Reply Last reply Reply Quote 0
                      • W
                        Wayne Workman
                        last edited by Nov 14, 2017, 6:56 PM

                        Actually this line is using a ton of CPU:

                        131.09	87	0	0.0	1.69	1.69 	158.227.4.135	10.0.15.4:80	POST /fog/status/getservertime.php HTTP/1.1
                        

                        131 is a LOT.

                        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/

                        S 1 Reply Last reply Nov 15, 2017, 12:07 AM Reply Quote 0
                        • F
                          Fernando Gietz Developer @Tom Elliott
                          last edited by Nov 14, 2017, 7:03 PM

                          @tom-elliott Tasks table?

                          W 1 Reply Last reply Nov 14, 2017, 7:08 PM Reply Quote 0
                          • W
                            Wayne Workman @Fernando Gietz
                            last edited by Nov 14, 2017, 7:08 PM

                            @fernando-gietz You should have a table called tasks in MySQL.

                            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
                            • S
                              Sebastian Roth Moderator @Wayne Workman
                              last edited by Nov 15, 2017, 12:07 AM

                              @wayne-workman said:

                              Actually this line is using a ton of CPU:

                              131.09	87	0	0.0	1.69	1.69 	158.227.4.135	10.0.15.4:80	POST /fog/status/getservertime.php HTTP/1.1
                              

                              131 is a LOT.

                              Yeah that looks like there is something strange going on with this script. Though I have no idea what could be causing this. On the other hand the PHP code in that file looks kind of like it might take more time than usual. I guess only @Tom-Elliott can tell us what’s those calls to ignore_user_abort() and set_time_limit() are used for.

                              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

                              T 1 Reply Last reply Nov 15, 2017, 3:15 PM Reply Quote 0
                              • F
                                Fernando Gietz Developer
                                last edited by Nov 15, 2017, 12:30 PM

                                @Tom-Elliott about the tasks table:

                                MariaDB [fog]> show table status from fog where Name = 'tasks';
                                +-------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+---------------------+-----------------+----------+--------------------+---------+
                                | Name  | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time         | Update_time         | Check_time          | Collation       | Checksum | Create_options     | Comment |
                                +-------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+---------------------+-----------------+----------+--------------------+---------+
                                | tasks | MyISAM |      10 | Dynamic    | 5217 |            125 |      653940 | 281474976710655 |       602112 |         0 |           5225 | 2017-06-14 18:23:02 | 2017-11-15 13:10:31 | 2017-09-07 15:31:22 | utf8_general_ci |     NULL | row_format=DYNAMIC |         |
                                +-------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+---------------------+-----------------+----------+--------------------+---------+
                                
                                W 1 Reply Last reply Nov 15, 2017, 1:04 PM Reply Quote 0
                                • W
                                  Wayne Workman @Fernando Gietz
                                  last edited by Nov 15, 2017, 1:04 PM

                                  @fernando-gietz Truncate it.

                                  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
                                  • F
                                    Fernando Gietz Developer
                                    last edited by Nov 15, 2017, 2:36 PM

                                    @Wayne-Workman I have truncated the table and nothing.

                                    Srv	PID	Acc	M	CPU 	SS	Req	Conn	Child	Slot	Client	VHost	Request
                                    0-0	4154	0/133/2998	_ 	15.91	0	175	0.0	0.18	3.69 	158.227.129.66	10.0.15.4:80	POST /fog/management/index.php?sub=requestClientInfo&authorize&
                                    1-0	22327	0/633/2833	_ 	101.18	0	88	0.0	0.70	3.34 	158.227.129.66	10.0.15.4:80	GET /fog/service/getversion.php?newService&json HTTP/1.1
                                    2-0	10758	0/3575/3575	_ 	583.44	0	0	0.0	4.46	4.46 	158.227.129.66	10.0.15.4:80	GET /fog/management/other/ssl/srvpublic.crt HTTP/1.1
                                    3-0	11712	0/1096/3380	_ 	174.13	0	210	0.0	1.27	4.11 	158.227.115.42	10.0.15.4:80	GET /fog/management/index.php?node=home&sub=bandwidth&url%5B%5D
                                    4-0	17308	0/3259/3538	W 	531.14	58	0	0.0	3.79	4.26 	158.227.4.135	10.0.15.4:80	POST /fog/status/getservertime.php HTTP/1.1
                                    5-0	22817	0/605/3241	_ 	95.71	1	73	0.0	0.68	5.64 	158.227.138.17	10.0.15.4:80	GET /fog/service/getversion.php?newService&json HTTP/1.1
                                    6-0	13038	0/1037/3469	_ 	166.05	0	74	0.0	1.20	4.01 	158.227.129.66	10.0.15.4:80	GET /fog/service/getversion.php?clientver&newService&json HTTP/
                                    7-0	-	0/0/2866	. 	2.96	167	0	0.0	0.00	3.64 	::1	10.0.15.4:80	OPTIONS * HTTP/1.0
                                    8-0	11826	0/997/3504	W 	165.00	115	0	0.0	1.13	4.20 	158.227.4.135	10.0.15.4:80	GET /fog/management/index.php?node=group&sub=membership&id=334
                                    9-0	3151	0/174/3003	_ 	25.77	0	77	0.0	0.21	3.42 	10.0.15.4	10.0.15.4:80	GET /fog/status/bandwidth.php?dev=ens192 HTTP/1.1
                                    10-0	15893	0/3295/3295	W 	551.38	0	0	0.0	3.74	3.74 	158.227.4.135	10.0.15.4:80	GET /server-status HTTP/1.1```
                                    1 Reply Last reply Reply Quote 0
                                    • T
                                      Tom Elliott @Sebastian Roth
                                      last edited by Nov 15, 2017, 3:15 PM

                                      @sebastian-roth The idea of those is specific to ajax calls, though I guess the ignore_user_abort could be done with. The set_time_limit basically tells the script that it can run indefinitely. Ignore_user_abort tells the script to keep processing the script even if the client (browser) has requested to abort/stop/cancel the script.

                                      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

                                      1 Reply Last reply Reply Quote 0
                                      • F
                                        Fernando Gietz Developer
                                        last edited by Mar 1, 2018, 3:00 PM

                                        To don’t lose the thread.

                                        Hi again!

                                        I follow with this issue 😞 Toisolate the problem I have do a fresh install:

                                        Enviroment:
                                        FOG version: 1.5.0
                                        Computer: HP 800 G2 with 8 GB RAM and SSD
                                        OS: Centos 7 64 bits

                                        I have imported 7000 new hosts to the database from webUI, later I have created a new group with one computer. If I try to list the membership of this new group, the browser needs 40 second to show me the computer.

                                        If anybody wants to reply the issu, I can send the hosts import file.

                                        1 Reply Last reply Reply Quote 0
                                        • J
                                          Joe Schmitt Senior Developer
                                          last edited by Mar 1, 2018, 4:09 PM

                                          @Tom-Elliott sounds like the group membership is doing a lot of unnecessary calculations.

                                          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.

                                          T 1 Reply Last reply Mar 1, 2018, 5:48 PM Reply Quote 0
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