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34 lines
976 B
Markdown
34 lines
976 B
Markdown
---
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slug: /en/operations/update
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---
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# Update
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## Self-managed ClickHouse Upgrade
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If ClickHouse was installed from `deb` packages, execute the following commands on the server:
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``` bash
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$ sudo apt-get update
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$ sudo apt-get install clickhouse-client clickhouse-server
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$ sudo service clickhouse-server restart
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```
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If you installed ClickHouse using something other than the recommended `deb` packages, use the appropriate update method.
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:::note
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You can update multiple servers at once as soon as there is no moment when all replicas of one shard are offline.
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:::
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The upgrade of older version of ClickHouse to specific version:
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As an example:
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`xx.yy.a.b` is a current stable version. The latest stable version could be found [here](https://github.com/ClickHouse/ClickHouse/releases)
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```bash
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$ sudo apt-get update
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$ sudo apt-get install clickhouse-server=xx.yy.a.b clickhouse-client=xx.yy.a.b clickhouse-common-static=xx.yy.a.b
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$ sudo service clickhouse-server restart
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```
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