Hello, Doesn't Signoz support histogram visualization with external clickhouse? I'm getting error wh...

Burak Kurt

07/16/2025, 8:09 AM

Hello, Doesn't Signoz support histogram visualization with external clickhouse? I'm getting error while creating histogram widget. Signoz logs says

histogramQuantile does not exist

. Is it a custom UDF/Plugin? How can I solve this problem?

Burak Kurt

07/16/2025, 8:17 AM

I see a statement in the doc but links are broken

(Optional) Below steps are only required if you want to use histogram quantile functions using Query Builder.

◦ Include custom function configuration in the
/etc/clickhouse-server/
directory.

◦ Include histogram quantile binary in the
/var/lib/clickhouse/user_scripts/
directory.

Nagesh Bansal

07/16/2025, 4:51 PM

Hey @Burak Kurt - for using histogram quantile you can following: • Custom Function Clickhouse config • For histogram quantile:

Copy code

node_os=<your_os>
node_arch=<your_system_arch>
version= <your-version>
"<https://github.com/SigNoz/signoz/releases/download/histogram-quantile%2F$${version}/histogram-quantile_$${node_os}_$${node_arch}.tar.gz>"

Nagesh Bansal

07/16/2025, 4:53 PM

Please keep in mind to get the required values according to your system

Burak Kurt

07/17/2025, 10:21 AM

Thank you Nagesh 🙏

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