Cpu spike issue with checkmk 2.0.0p9.cre

Hi,

I have fresh installed checkmk raw 2.0.0p9.cre on linux machine. and facing cpu spike ; the issue is intermittent and notice if I keep checmk dashboard open in a browser (firefox).

Also, noticed many httpd process running and consuming cpu.

This seems related with some user interface element in the dashboard which is being triggered from browser.

below is the web.log crash log. any help to fix this issue ?

cmk.gui.exceptions.RequestTimeout: Your request timed out after 110 seconds. This issue may be related to a local configuration problem or a request which works with a too large number of objects. But if you think this issue is a bug, please send a crash report.

2021-09-16 15:30:18,969 [40] [cmk.web 451504] http://checkmk.webtesturl.com/mysite/check_mk/ajax_figure_dashlet_data.py/mysite/check_mk/ajax_figure_dashlet_data.py Unhandled exception (Crash-ID: 0ad704e0-1702-11ec-9af8-0228f55382e2)
Traceback (most recent call last):

cmk.gui.exceptions.RequestTimeout: Your request timed out after 110 seconds. This issue may be related to a local configuration problem or a request which works with a too large number of objects. But if you think this issue is a bug, please send a crash report.

cmk.gui.exceptions.RequestTimeout: Your request timed out after 110 seconds. This issue may be related to a local configuration problem or a request which works with a too large number of objects. But if you think this issue is a bug, please send a crash report.

2021-09-16 15:29:07,105 [40] [cmk.web 451253] http://checkmk.webtesturl.com/mysite/check_mk/dashboard_dashlet.py/mysite/check_mk/dashboard_dashlet.py?id=3&mtime=1631636432&name=main&is_service_acknowledged=0&is_in_downtime=0&hst0=on&hst1=&hst2=&hstp=on&st0=&st1=on&st2=on&st3=on&stp=&_display_op
tions=htbfcoderuw&_do_actions=&_reload=1&_ajaxid=1631800644 Unhandled exception (Crash-ID: 16442d44-1702-11ec-b20a-0228f55382e2)
Traceback (most recent call last):
File “/omd/sites/mysite/lib/python3/cmk/gui/wsgi/applications/checkmk.py”, line 162, in _process_request
load_all_plugins()
File “/omd/sites/mysite/lib/python3/cmk/gui/wsgi/applications/utils.py”, line 138, in load_all_plugins
modules.load_all_plugins(only_modules=only_modules)
File “/omd/sites/mysite/lib/python3/cmk/gui/modules.py”, line 104, in load_all_plugins
module.load_plugins(force=need_plugins_reload) # type: ignore[attr-defined]
File “/omd/sites/mysite/lib/python3/cmk/gui/views.py”, line 1069, in load_plugins
cmk.gui.plugins.views.inventory.declare_inventory_columns()
File “/omd/sites/mysite/lib/python3/cmk/gui/plugins/views/inventory.py”, line 722, in declare_inventory_columns
_declare_inv_column(invpath,
File “/omd/sites/mysite/lib/python3/cmk/gui/plugins/views/inventory.py”, line 202, in _declare_inv_column
register_painter(name, painter_spec)
File “/omd/sites/mysite/lib/python3/cmk/gui/plugins/views/utils.py”, line 969, in register_painter
cls = type(
File “/omd/sites/mysite/lib/python3.8/abc.py”, line 85, in new
cls = super().new(mcls, name, bases, namespace, **kwargs)
File “/omd/sites/mysite/lib/python3/cmk/gui/utils/timeout_manager.py”, line 35, in handle_request_timeout
raise RequestTimeout(

access log

[Wed Sep 15 15:24:00.487729 2021] [proxy:error] [pid 3335:tid 140169797621504] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:00.508718 2021] [proxy:error] [pid 3335:tid 140169789228800] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:14.168646 2021] [proxy:error] [pid 144047:tid 140169772443392] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:29.959242 2021] [proxy:error] [pid 839:tid 140169495680768] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:34.100109 2021] [proxy:error] [pid 165888:tid 140169831192320] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:34.550135 2021] [proxy:error] [pid 159240:tid 140169940297472] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:38.698658 2021] [proxy:error] [pid 149105:tid 140170048235264] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:39.075817 2021] [proxy:error] [pid 841:tid 140169948690176] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:24:40.778980 2021] [proxy:error] [pid 841:tid 140169847977728] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:25:38.088994 2021] [proxy:error] [pid 165888:tid 140170048235264] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:25:42.944346 2021] [proxy:error] [pid 144047:tid 140169814406912] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:27:29.392325 2021] [proxy:error] [pid 841:tid 140169780836096] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:29:24.242705 2021] [proxy:error] [pid 141849:tid 140169923512064] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:29:24.242705 2021] [proxy:error] [pid 141849:tid 140169889941248] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:29:24.243556 2021] [proxy:error] [pid 141849:tid 140169847977728] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

[Wed Sep 15 15:29:24.243755 2021] [proxy:error] [pid 141849:tid 140169948690176] (70007)The timeout specified has expired: AH00957: HTTP: attempt to connect to 127.0.0.1:5000 (127.0.0.1) failed

Hi,

The issue fixed post upgrade from 2.0.0p9.cre to 2.0.0p11.cre !!

Thanks !

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