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@ -73,13 +73,21 @@ In the above example the `password_sha256_hex` value is the hexadecimal represen
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### Storage for named collections
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### Storage for named collections
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Named collections can either be stored on local disk or in zookeeper/keeper. By default local storage is used.
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Named collections can either be stored on local disk or in ZooKeeper/Keeper. By default local storage is used.
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They can also be stored using encryption with the same algorithms used for [disk encryption](storing-data#encrypted-virtual-file-system),
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where `aes_128_ctr` is used by default.
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To configure named collections storage in keeper and a `type` (equal to either `keeper` or `zookeeper`) and `path` (path in keeper, where named collections will be stored) to `named_collections_storage` section in configuration file:
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To configure named collections storage you need to speficy a `type`. This can be either `local` or `keeper`/`zookeeper`. For encrypted storage,
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you can use `local_encrypted` or `keeper_encrypted`/`zookeeper_encrypted`.
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To use ZooKeeper/Keeper we also need to set up a `path` (path in ZooKeeper/Keeper, where named collections will be stored) to
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`named_collections_storage` section in configuration file. The following example uses encryption and ZooKeeper/Keeper:
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```
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```
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<clickhouse>
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<clickhouse>
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<named_collections_storage>
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<named_collections_storage>
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<type>zookeeper</type>
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<type>zookeeper_encrypted</type>
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<key_hex>bebec0cabebec0cabebec0cabebec0ca</key_hex>
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<algorithm>aes_128_ctr</algorithm>
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<path>/named_collections_path/</path>
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<path>/named_collections_path/</path>
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<update_timeout_ms>1000</update_timeout_ms>
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<update_timeout_ms>1000</update_timeout_ms>
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</named_collections_storage>
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</named_collections_storage>
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