Deploying to AWS: ClickHouse HA
# generalm
Max
03/15/2024, 11:29 AMHello, i would like to setup ClickHouse in HA mode (https://signoz.io/docs/operate/clickhouse/distributed-clickhouse/#distributed-clickhouse-setup-for-signoz) with 2 ClickHouse replicas, but from what i've read (e.g here: https://github.com/ClickHouse/ClickHouse/issues/57382#issuecomment-1839223016) i would need to use replicated tables when trying to use 2 replicas, also on the page there is a info "Multiple replicas for clickhouse shards are not supported in v0.12.0 so don't change replicasCount in the clickhouse config, please follow upcoming releases to check availability of replication of clickhouse shards". I installed SigNoz with version 0.40 and would like to use 2 replicas of ClickHouse, is it possible in this version?
Max
03/15/2024, 11:44 AMI see that it was not supported a year ago (https://community-chat.signoz.io/t/9125583/hi-there-is-support-for-scaling-up-clickhouse-to-gt-1-replic#fcaa4381-04f4-4f91-9265-3c1054555cd1), but i am not sure how about right now since i use SigNoz version 0.40 and the info from https://signoz.io/docs/operate/clickhouse/distributed-clickhouse/#kubernetes-installation is regarding version 0.12
Max
03/15/2024, 12:17 PMI saw right now that ReplicatedMergeTree (https://community-chat.signoz.io/t/2179661/just-noticed-in-my-custom-clickhouse-cluster-that-the-signoz) was supposed to be available for SigNoz, is it experimental or something?
Max
03/15/2024, 12:37 PMIf i'm understanding it correctly, SigNoz itself creates tables schema with ReplacingMergeTree and MergeTree, but the one needed for HA with 2 replicas is ReplicatedMergeTree, is it possible to replace it?
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