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- Start the Network Monitor
- Ctrl + Shift + I
- For Firefox, follow this manual: https://developer.mozilla.org/en-US/docs/Tools/Network_Monitor
- For Google Chrome, follow this manual: https://developer.chrome.com/docs/devtools/network/
- Ctrl + Shift + I
- Reload the slow/ crashing view again and save/export this file as .har. Please submit this file to us.
Slow views
Some built-in or own views may take longer time than expected. In order to detect slow views, you have to set:
The log level to DEBUG at Setup > General > Global settings > User interface > Log levels > Slow views
A threshold (in seconds) at Setup > General > Global settings > User interface > Threshold for slow views
The logging is disabled by default. The default threshold is set to 60 seconds.
If enabled, one log entry per view rendering that exceeds the configured threshold is logged to var/log/web.log.
A slow-view log entry will look like the following:
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2023-10-05 14:01:02,467 [10] [cmk.web.slow-views 783147] View name: logfile, User: cmkadmin, Row limit: None, Limit type: none, URL variables: ['csrf_token=deaacdae-e2ad-47bb-a497-8a41c4f5e378', 'filled_in=filter', 'is_log_notification_phase=-1', 'limit=none', 'logclass0=on', 'logclass1=on', 'logclass2=on', 'logclass3=on', 'logclass5=on', 'logclass8=on', 'logst_h0=on', 'logst_h1=on', 'logst_h2=on', 'logst_s0=on', 'logst_s1=on', 'logst_s2=on', 'logst_s3=on', 'logtime_from=400', 'logtime_from_range=86400', 'logtime_until_range=3600', 'view_name=logfile', '_show_filter_form=1'], View context: {'optservicegroup': {'optservice_group': '', 'neg_optservice_group': ''}, 'siteopt': {'site': ''}, 'log_class': {'logclass0': 'on', 'logclass1': 'on', 'logclass2': 'on', 'logclass3': 'on', 'logclass4': '', 'logclass5': 'on', 'logclass6': '', 'logclass8': 'on'}, 'log_notification_phase': {'is_log_notification_phase': '-1'}, 'hostregex': {'host_regex': ''}, 'serviceregex': {'service_regex': ''}, 'opthostgroup': {'opthost_group': '', 'neg_opthost_group': ''}, 'logtime': {'logtime_from': '400', 'logtime_until': '', 'logtime_from_range': '86400', 'logtime_until_range': '3600'}, 'log_state': {'logst_h0': 'on', 'logst_h1': 'on', 'logst_h2': 'on', 'logst_s0': 'on', 'logst_s1': 'on', 'logst_s2': 'on', 'logst_s3': 'on'}, 'wato_folder': {'wato_folder': ''}}, Unfiltered rows: 24783, Filtered rows: 24783, Rows after limit: 0, Duration fetching rows: 0.69s, Duration filtering rows: 0.00s, Duration rendering view: 18.44s, Rendering page exceeds 3s: 19.21s |
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