Docs - https interserver replication #20015
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robot-clickhouse
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bharatnc
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Feb 3, 2021
| ## interserver_http_credentials {#server-settings-interserver-http-credentials} | ||
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| The username and password used to authenticate during [replication](../../engines/table-engines/mergetree-family/replication.md) with the Replicated\* engines. These credentials are used only for communication between replicas and are unrelated to credentials for ClickHouse clients. The server is checking these credentials for connecting replicas and use the same credentials when connecting to other replicas. So, these credentials should be set the same for all replicas in a cluster. | ||
| By default, the authentication is not used. | ||
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| **Note:** These credentials are common for replication through `HTTP` and `HTTPS`. |
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Added this note as the name interserver_http_replication sounds a little deceiving but from the code, it seems like this setting is common to replication via HTTP and HTTPS.
qoega
approved these changes
Feb 3, 2021
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Detailed description / Documentation draft:
Documents the server settings needed for inter-server replication through
HTTPS.Relates to: #12066