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Fix typo in clickhouse-keeper.md

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Implemetation -> Implementation
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Ikko Ashimine 2021-07-15 23:39:52 +09:00 committed by GitHub
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docs/en/operations/clickhouse-keeper.md
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@ -10,7 +10,7 @@ ClickHouse server use [ZooKeeper](https://zookeeper.apache.org/) coordination sy
!!! warning "Warning"
This feature currently in pre-production stage. We test it in our CI and on small internal installations.
## Implemetation details
## Implementation details
ZooKeeper is one of the first well-known open-source coordination systems. It's implemented in Java, has quite a simple and powerful data model. ZooKeeper's coordination algorithm called ZAB (ZooKeeper Atomic Broadcast) doesn't provide linearizability guarantees for reads, because each ZooKeeper node serves reads locally. Unlike ZooKeeper `clickhouse-keeper` written in C++ and use [RAFT algorithm](https://raft.github.io/) [implementation](https://github.com/eBay/NuRaft). This algorithm allows to have linearizability for reads and writes, has several open-source implementations in different languages.