SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc.

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no actually it  is monthly estimated ingestion , per day ingestion is of around 250 gb .

but i m confused as i have no  that much idea about clickhouse performance or any threshold till when the query performance is not bad .

Sharding introduces upto 20% latency increase compared to single machine. So you can afford single machine then go with  with single machine or go with sharding.