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Doc improvement: mention requirement to use gRPC gateway with EtcdV3 (#3073)

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jostaub
2024-06-11 12:12:00 +02:00
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parent 0a6c09e252
commit 0a91948a49
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docs/yaml_configuration.rst
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@@ -144,7 +144,7 @@ Etcdv3
If you want that Patroni works with Etcd cluster via protocol version 3, you need to use the ``etcd3`` section in the Patroni configuration file. All configuration parameters are the same as for ``etcd``.
.. warning::
Keys created with protocol version 2 are not visible with protocol version 3 and the other way around, therefore it is not possible to switch from ``etcd`` to ``etcd3`` just by updating Patroni config file.
Keys created with protocol version 2 are not visible with protocol version 3 and the other way around, therefore it is not possible to switch from ``etcd`` to ``etcd3`` just by updating Patroni config file. In addition, Patroni uses Etcd's gRPC-gateway (proxy) to communicate with the V3 API, which means that TLS common name authentication is not possible.
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