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64 lines
1.9 KiB
XML
64 lines
1.9 KiB
XML
<clickhouse>
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<!-- How many simualteneous workers are posssible -->
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<max_workers>3</max_workers>
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<!-- Common setting for pull and push operations -->
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<settings>
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<connect_timeout>1</connect_timeout>
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</settings>
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<!-- Setting used to fetch data -->
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<settings_pull>
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<max_rows_in_distinct>0</max_rows_in_distinct>
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</settings_pull>
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<!-- Setting used to insert data -->
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<settings_push>
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</settings_push>
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<!-- Tasks -->
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<tables>
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<hits>
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<cluster_pull>source_trivial_cluster</cluster_pull>
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<database_pull>default</database_pull>
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<table_pull>trivial</table_pull>
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<cluster_push>destination_trivial_cluster</cluster_push>
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<database_push>default</database_push>
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<table_push>trivial</table_push>
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<!-- Engine of destination tables -->
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<engine>ENGINE=ReplicatedMergeTree('/clickhouse/tables/cluster{cluster}/{shard}/hits', '{replica}') PARTITION BY d % 5 ORDER BY (d, sipHash64(d)) SAMPLE BY sipHash64(d) SETTINGS index_granularity = 16</engine>
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<!-- Which sarding key to use while copying -->
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<sharding_key>d + 1</sharding_key>
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<!-- Optional expression that filter copying data -->
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<where_condition>d - d = 0</where_condition>
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</hits>
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</tables>
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<!-- Configuration of clusters -->
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<remote_servers>
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<source_trivial_cluster>
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<shard>
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<replica>
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<host>first_trivial</host>
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<port>9000</port>
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</replica>
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</shard>
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</source_trivial_cluster>
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<destination_trivial_cluster>
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<shard>
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<replica>
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<host>second_trivial</host>
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<port>9000</port>
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</replica>
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</shard>
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</destination_trivial_cluster>
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</remote_servers>
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</clickhouse>
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