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Problem

In a distributed setup, you encounter the following problems on the mastercentral site.:

The GUI on the Master Server central site randomly become becomes very slow, and the "liveproxyd.log" gets filled with hundreds of these entries:

2021-09-30 16:24:45,502 [40] [cmk.liveproxyd.(5252).Site(<remote_site_name>).Client(81)] Reading request from client took longer than 5s
Traceback (most recent call last):
File "/omd/sites/mon_master02mysite/lib/python3/cmk/cee/liveproxy/Client.py", line 150, in receive_new_request
request = self._receive_request()
File "/omd/sites/mon_master02mysite/lib/python3/cmk/cee/liveproxy/Client.py", line 339, in _receive_request
raise ClientRequestTimeoutException(
cmk.cee.liveproxy.Client.ClientRequestTimeoutException: Reading request from client took longer than 5s

Solution

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It seems the livestatus is bombarded with hundreds of requests per second.

You probably might find this one:

Reading request from client took longer than

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Reading requests from client took longer than 5s

This is

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caused by the GUI, which establishes a connection with the Liveproxyd but then does not send any query.

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This could indicate an overload of either the GUI or Liveproxyd.

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If the werk mentioned above is the cause, this workaround might also help prior to before installing p9: Remove all Host/Service Statistics Snapins in all dashboards , save them and then readd them. Save them Re-add them Then reload all dashboards in the browser.

If this does not work, please open a ticket and add the ~/var/log/apache/access_log of some of the affected sites, which might show

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many entries like

"ajax_figure_dashlet_data"

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