Latency issues with ServiceNow?

Tonya Huskey2
Giga Contributor

‎09-25-2017 08:04 AM

I have adjusted viewing of rows to just 20 and reports that are using group by, we are still having a lot of latency issues. Has anyone else?

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Patrick Fedigan
Giga Guru

‎09-25-2017 08:08 AM

Hello Tonya,



Have you tried a /cache.do and then /stats.do to see if there is anything out of the ordinary?



Cheers,


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jayw
ServiceNow Employee
ServiceNow Employee

‎09-28-2017 06:21 AM

Hi Tonya,



I would also ask - do you have any scheduled jobs processing large amounts of data during business hours? Perhaps there are business rules that process large amounts of records on insert to certain tables?



Additionally it is worth noting that while visiting /cache.do to clear server cache can resolve some issues, clearing the cache can significantly decrease performance for some time after. This is because the system will then have to rebuild its cache manually as users make requests and all requests will require "full" round trips through the system and back as opposed to "partial" round trips to the caching layer.



Some customers have implemented a weekly practice of flushing the cache during off-hours to minimize the impact of performance on their user base during business hours. For more information: ServiceNow Cache flushing



- Jay Wigard, Senior UI Engineer