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update tips for ClickHouse Keeper

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Dan Roscigno 2022-05-23 10:06:16 -04:00
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docs/en/operations/tips.md
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@ -128,7 +128,7 @@ You should never use manually written scripts to transfer data between different
If you want to divide an existing ZooKeeper cluster into two, the correct way is to increase the number of its replicas and then reconfigure it as two independent clusters.
Do not run ZooKeeper on the same servers as ClickHouse. Because ZooKeeper is very sensitive for latency and ClickHouse may utilize all available system resources.
You can run ClickHouse Keeper on the same server as ClickHouse, but do not run ZooKeeper on the same servers as ClickHouse. Because ZooKeeper is very sensitive for latency and ClickHouse may utilize all available system resources.
You can have ZooKeeper observers in an ensemble but ClickHouse servers should not interact with observers.