Hosting ClickHouse Cluster with Three Shards
TLDR Kshitij asked how to host a ClickHouse cluster with three shards. nitya-signoz explained Otel collector doesn't need to know about shards. Migration process requires manual env variable change for Docker.
Mar 01, 2023 (7 months ago)
Btw why do you want to avoid changing the env variable ?
Mar 02, 2023 (7 months ago)
The case in which you will need migrations is when upgrading signoz.
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Problems Encountered with ClickHouse After Fresh Install
Romil experienced issues after a fresh install of ClickHouse. Prashant advised restarting certain pods, but that wasn't fully successful. Srikanth acknowledged the issue and pointed to a related open problem on GitHub.
Issues with Multicluster Functionality in a Clickhouse Setup
Hoang has trouble implementing multi-cluster functionality in a Clickhouse setup as the collector does not read `CLICKHOUSE_CLUSTER`. Shivanshu suggests using `cluster` for the cluster name, while Prashant refers to the relevant documentation.
Scale and Optimization Problem in the Production Move of Signoz
Simran had problems with scaling Signoz and tried a distributed shards setup with multiple replicas, but faced issues. Prashant confirmed that multiple replicas are not supported and suggested multiple shards of ClickHouse and multiple replicas of SigNoz Otel-Collector as a solution.