How can I determine the one causing the slow loading on the instance?

[Rain Vaine]

Hello,

Do you have any other ways to check for the cause of the slowness in your instance?
Currently one of the user reported that when they are trying to access the my approval in the portal, they experience slowness in the instance.
When I tried to check the transaction logs, I can see the there are some entries that has more than 10 seconds of response time. Unfortunately I cannot pinpoint the exact cause for it just looking at the transaction logs and system logs does not give much also.
I also tried checking the slow transaction logs table but there is also not enough data.
Are there other places to check?

P.S. It is reported in a production instance so we have limitations and as of now we can only examine the logs and such. We have no permission for debugging so your guidance for where to check in logs or what to look for will be very helpful.

P.S. The instance is in Yokohama Patch 10 1a if there is any connected issues for that version.

Regards,
Vaine 

[Tanushree Maiti]

Please refer this links, see if it helps you:

A step by step guide to debugging slow transaction... - ServiceNow Community

[Rain Vaine]

Hello,
I also found that article, but as I've mentioned we don't have a debug permission in PROD instance.
Thank you.

Regards,
Vaine

[Ankur Bawiskar]

@Rain Vaine 

check these links

How to troubleshoot a slow transaction 

Effective Troubleshooting of Slow Transactions in ServiceNow 

Slow transactions log record detail 

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[Tanushree Maiti]

Hi Rain,

You can check following link on how to debug slowness of your system:

A step by step guide to debugging slow transaction... - ServiceNow Community

Troubleshooting slow instance performance - Support and Troubleshooting

5 Ways to Troubleshoot your Instance Performance - ServiceNow Community