loo*_*roo 3 cluster-computing clickhouse
我正在设置一个 clickhouse 集群,正如教程所说应该添加“remote_servers”,然后我转向 /etc/clickhouse-server/config.xml,我看到 <remote_servers incl="clickhouse_remote_servers"> 后面跟着 [1 ]: https://i.stack.imgur.com/AHBBg.png。
我对这些文件 /etc/metrika.xml 和 /yandex/name_of_substitution 感到困惑。谁能举个例子,谢谢
它可以通过两种方式指定。
在单独的文件中(默认为/etc/metrika.xml)。创建此文件,使其可供读取(chown 644 就足够了)。并在里面写下这样的内容:
<yandex>
<clickhouse_remote_servers> <!-- name of substitution-->
<logs_all> <!-- name of cluster (arbitary) to be specified in parameter of Distributed table -->
<shard>
<replica>
<host>example01-01-1t.yandex.ru</host>
<port>9000</port>
</replica>
<replica>
<host>example01-01-2t.yandex.ru</host>
<port>9000</port>
</replica>
</shard>
<shard>
<replica>
<host>example02-01-1t.yandex.ru</host>
<port>9000</port>
</replica>
<replica>
<host>example02-01-2t.yandex.ru</host>
<port>9000</port>
</replica>
</shard>
</logs_all>
</clickhouse_remote_servers>
</yandex>
Run Code Online (Sandbox Code Playgroud)直接在 config.xml 文件中:
<!-- Configuration of clusters that could be used in Distributed tables.
https://clickhouse.yandex/reference_en.html#Distributed
-->
<remote_servers>
<logs_all> <!-- name of cluster (arbitary) to be specified in parameter of Distributed table -->
<shard>
<replica>
<host>example01-01-1t.yandex.ru</host>
<port>9000</port>
</replica>
<replica>
<host>example01-01-2t.yandex.ru</host>
<port>9000</port>
</replica>
</shard>
<shard>
<replica>
<host>example02-01-1t.yandex.ru</host>
<port>9000</port>
</replica>
<replica>
<host>example02-01-2t.yandex.ru</host>
<port>9000</port>
</replica>
</shard>
</logs_all>
</remote_servers>
Run Code Online (Sandbox Code Playgroud)为了方便起见,服务器将/etc/clickhouse-server/preprocessed/config.xml在启动时创建包含所有替换的文件。它仅供审查(不被服务器使用)。
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