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集群版本介绍

clickhouse是表级别的集群，一个clickhouse实例可以有分布式表，也可以有本地表。本文介绍4个节点的clickhouse情况下部署配置。

分布式表数据分成2个分片，2个副本，总共4份数据：

• 节点1数据：分片1，副本1
• 节点2数据：分片1，副本2
• 节点3数据：分片2，副本1
• 节点4数据：分片2，副本2

分片1，分片2组成一份完整的数据。这种配置可以在使用中4个节点共同处理一个sql查询，在一个节点宕机情况下保证数据不丢失，

集群版ClickHouse部署

集群版本与单机版本区别在于节点间要相互发现，与单机版部署区别如下：

• 需要静态配置其他节点信息，配置clickhouse keeper（也可以单独部署zookeeper）

以192.168.1.10，192.168.1.11，192.168.1.12，192.168.1.13四台集群模式为例配置/etc/clickhouse-server/config.d/config.xml

实际部署时需批量替换上述4个ip

192.168.1.10

<?xml version="1.0"?>
<clickhouse><listen_host>0.0.0.0</listen_host><timezone>Asia/Shanghai</timezone><logger><level>information</level></logger><background_pool_size>4</background_pool_size><background_schedule_pool_size>1</background_schedule_pool_size><mark_cache_size>268435456</mark_cache_size><merge_tree><index_granularity>1024</index_granularity><merge_max_block_size>1024</merge_max_block_size><max_bytes_to_merge_at_max_space_in_pool>1610612736</max_bytes_to_merge_at_max_space_in_pool><number_of_free_entries_in_pool_to_lower_max_size_of_merge>1</number_of_free_entries_in_pool_to_lower_max_size_of_merge><number_of_free_entries_in_pool_to_execute_mutation>4</number_of_free_entries_in_pool_to_execute_mutation><number_of_free_entries_in_pool_to_execute_optimize_entire_partition>4</number_of_free_entries_in_pool_to_execute_optimize_entire_partition></merge_tree><query_cache><max_size_in_bytes>134217728</max_size_in_bytes><max_entries>1024</max_entries><max_entry_size_in_bytes>10485760</max_entry_size_in_bytes><max_entry_size_in_rows>8192</max_entry_size_in_rows></query_cache><macros><replica>replica1</replica><cluster_shard>shard1</cluster_shard></macros><default_replica_path>/clickhouse/tables/{cluster_shard}/{database}/{table}</default_replica_path><default_replica_name>{replica}</default_replica_name><remote_servers><!--集群名称，默认为bpi--><bpi><secret>econage123</secret><shard><!--分片自动复制--><internal_replication>true</internal_replication><replica><host>192.168.1.10</host><!--节点host--><port>9000</port><!--节点port--></replica><replica><host>192.168.1.11</host><!--节点host--><port>9000</port><!--节点port--></replica></shard><shard><internal_replication>true</internal_replication><replica><host>192.168.1.12</host><port>9000</port></replica><replica><host>192.168.1.13</host><port>9000</port></replica></shard></bpi></remote_servers><zookeeper><node><host>192.168.1.10</host><port>8181</port></node><node><host>192.168.1.11</host><port>8181</port></node><node><host>192.168.1.12</host><port>8181</port></node><node><host>192.168.1.13</host><port>8181</port></node></zookeeper><keeper_server><tcp_port>8181</tcp_port><server_id>1</server_id><log_storage_path>/var/lib/clickhouse/coordination/log</log_storage_path><snapshot_storage_path>/var/lib/clickhouse/coordination/snapshots</snapshot_storage_path><coordination_settings><operation_timeout_ms>10000</operation_timeout_ms><session_timeout_ms>30000</session_timeout_ms><raft_logs_level>warning</raft_logs_level></coordination_settings><raft_configuration><server><id>1</id><hostname>192.168.1.10</hostname><port>9444</port></server><server><id>2</id><hostname>192.168.1.11</hostname><port>9444</port></server><server><id>3</id><hostname>192.168.1.12</hostname><port>9444</port></server><server><id>4</id><hostname>192.168.1.13</hostname><port>9444</port></server></raft_configuration></keeper_server></clickhouse>

192.168.1.11

<?xml version="1.0"?>
<clickhouse><listen_host>0.0.0.0</listen_host><timezone>Asia/Shanghai</timezone><logger><level>information</level></logger><background_pool_size>4</background_pool_size><background_schedule_pool_size>1</background_schedule_pool_size><mark_cache_size>268435456</mark_cache_size><merge_tree><index_granularity>1024</index_granularity><merge_max_block_size>1024</merge_max_block_size><max_bytes_to_merge_at_max_space_in_pool>1610612736</max_bytes_to_merge_at_max_space_in_pool><number_of_free_entries_in_pool_to_lower_max_size_of_merge>1</number_of_free_entries_in_pool_to_lower_max_size_of_merge><number_of_free_entries_in_pool_to_execute_mutation>4</number_of_free_entries_in_pool_to_execute_mutation><number_of_free_entries_in_pool_to_execute_optimize_entire_partition>4</number_of_free_entries_in_pool_to_execute_optimize_entire_partition></merge_tree><query_cache><max_size_in_bytes>134217728</max_size_in_bytes><max_entries>1024</max_entries><max_entry_size_in_bytes>10485760</max_entry_size_in_bytes><max_entry_size_in_rows>8192</max_entry_size_in_rows></query_cache><macros><replica>replica2</replica><cluster_shard>shard1</cluster_shard></macros><default_replica_path>/clickhouse/tables/{cluster_shard}/{database}/{table}</default_replica_path><default_replica_name>{replica}</default_replica_name><remote_servers><bpi><secret>econage123</secret><shard><internal_replication>true</internal_replication><replica><host>192.168.1.10</host><!--节点host--><port>9000</port><!--节点port--></replica><replica><host>192.168.1.11</host><!--节点host--><port>9000</port><!--节点port--></replica></shard><shard><internal_replication>true</internal_replication><replica><host>192.168.1.12</host><port>9000</port></replica><replica><host>192.168.1.13</host><port>9000</port></replica></shard></bpi></remote_servers><zookeeper><node><host>192.168.1.10</host><port>8181</port></node><node><host>192.168.1.11</host><port>8181</port></node><node><host>192.168.1.12</host><port>8181</port></node><node><host>192.168.1.13</host><port>8181</port></node></zookeeper><keeper_server><tcp_port>8181</tcp_port><server_id>2</server_id><log_storage_path>/var/lib/clickhouse/coordination/log</log_storage_path><snapshot_storage_path>/var/lib/clickhouse/coordination/snapshots</snapshot_storage_path><coordination_settings><operation_timeout_ms>10000</operation_timeout_ms><session_timeout_ms>30000</session_timeout_ms><raft_logs_level>warning</raft_logs_level></coordination_settings><raft_configuration><server><id>1</id><hostname>192.168.1.10</hostname><port>9444</port></server><server><id>2</id><hostname>192.168.1.11</hostname><port>9444</port></server><server><id>3</id><hostname>192.168.1.12</hostname><port>9444</port></server><server><id>4</id><hostname>192.168.1.13</hostname><port>9444</port></server></raft_configuration></keeper_server></clickhouse>

192.168.1.12

<?xml version="1.0"?>
<clickhouse><listen_host>0.0.0.0</listen_host><timezone>Asia/Shanghai</timezone><logger><level>information</level></logger><background_pool_size>4</background_pool_size><background_schedule_pool_size>1</background_schedule_pool_size><mark_cache_size>268435456</mark_cache_size><merge_tree><index_granularity>1024</index_granularity><merge_max_block_size>1024</merge_max_block_size><max_bytes_to_merge_at_max_space_in_pool>1610612736</max_bytes_to_merge_at_max_space_in_pool><number_of_free_entries_in_pool_to_lower_max_size_of_merge>1</number_of_free_entries_in_pool_to_lower_max_size_of_merge><number_of_free_entries_in_pool_to_execute_mutation>4</number_of_free_entries_in_pool_to_execute_mutation><number_of_free_entries_in_pool_to_execute_optimize_entire_partition>4</number_of_free_entries_in_pool_to_execute_optimize_entire_partition></merge_tree><query_cache><max_size_in_bytes>134217728</max_size_in_bytes><max_entries>1024</max_entries><max_entry_size_in_bytes>10485760</max_entry_size_in_bytes><max_entry_size_in_rows>8192</max_entry_size_in_rows></query_cache><macros><replica>replica1</replica><cluster_shard>shard2</cluster_shard></macros><default_replica_path>/clickhouse/tables/{cluster_shard}/{database}/{table}</default_replica_path><default_replica_name>{replica}</default_replica_name><remote_servers><bpi><secret>econage123</secret><shard><internal_replication>true</internal_replication><replica><host>192.168.1.10</host><!--节点host--><port>9000</port><!--节点port--></replica><replica><host>192.168.1.11</host><!--节点host--><port>9000</port><!--节点port--></replica></shard><shard><internal_replication>true</internal_replication><replica><host>192.168.1.12</host><port>9000</port></replica><replica><host>192.168.1.13</host><port>9000</port></replica></shard></bpi></remote_servers><zookeeper><node><host>192.168.1.10</host><port>8181</port></node><node><host>192.168.1.11</host><port>8181</port></node><node><host>192.168.1.12</host><port>8181</port></node><node><host>192.168.1.13</host><port>8181</port></node></zookeeper><keeper_server><tcp_port>8181</tcp_port><server_id>3</server_id><log_storage_path>/var/lib/clickhouse/coordination/log</log_storage_path><snapshot_storage_path>/var/lib/clickhouse/coordination/snapshots</snapshot_storage_path><coordination_settings><operation_timeout_ms>10000</operation_timeout_ms><session_timeout_ms>30000</session_timeout_ms><raft_logs_level>warning</raft_logs_level></coordination_settings><raft_configuration><server><id>1</id><hostname>192.168.1.10</hostname><port>9444</port></server><server><id>2</id><hostname>192.168.1.11</hostname><port>9444</port></server><server><id>3</id><hostname>192.168.1.12</hostname><port>9444</port></server><server><id>4</id><hostname>192.168.1.13</hostname><port>9444</port></server></raft_configuration></keeper_server></clickhouse>

192.168.1.13

<?xml version="1.0"?>
<clickhouse><listen_host>0.0.0.0</listen_host><timezone>Asia/Shanghai</timezone><logger><level>information</level></logger><background_pool_size>4</background_pool_size><background_schedule_pool_size>1</background_schedule_pool_size><mark_cache_size>268435456</mark_cache_size><merge_tree><index_granularity>1024</index_granularity><merge_max_block_size>1024</merge_max_block_size><max_bytes_to_merge_at_max_space_in_pool>1610612736</max_bytes_to_merge_at_max_space_in_pool><number_of_free_entries_in_pool_to_lower_max_size_of_merge>1</number_of_free_entries_in_pool_to_lower_max_size_of_merge><number_of_free_entries_in_pool_to_execute_mutation>4</number_of_free_entries_in_pool_to_execute_mutation><number_of_free_entries_in_pool_to_execute_optimize_entire_partition>4</number_of_free_entries_in_pool_to_execute_optimize_entire_partition></merge_tree><query_cache><max_size_in_bytes>134217728</max_size_in_bytes><max_entries>1024</max_entries><max_entry_size_in_bytes>10485760</max_entry_size_in_bytes><max_entry_size_in_rows>8192</max_entry_size_in_rows></query_cache><macros><replica>replica2</replica><cluster_shard>shard2</cluster_shard></macros><default_replica_path>/clickhouse/tables/{cluster_shard}/{database}/{table}</default_replica_path><default_replica_name>{replica}</default_replica_name><remote_servers><bpi><secret>econage123</secret><shard><internal_replication>true</internal_replication><replica><host>192.168.1.10</host><!--节点host--><port>9000</port><!--节点port--></replica><replica><host>192.168.1.11</host><!--节点host--><port>9000</port><!--节点port--></replica></shard><shard><internal_replication>true</internal_replication><replica><host>192.168.1.12</host><port>9000</port></replica><replica><host>192.168.1.13</host><port>9000</port></replica></shard></bpi></remote_servers><zookeeper><node><host>192.168.1.10</host><port>8181</port></node><node><host>192.168.1.11</host><port>8181</port></node><node><host>192.168.1.12</host><port>8181</port></node><node><host>192.168.1.13</host><port>8181</port></node></zookeeper><keeper_server><tcp_port>8181</tcp_port><server_id>4</server_id><log_storage_path>/var/lib/clickhouse/coordination/log</log_storage_path><snapshot_storage_path>/var/lib/clickhouse/coordination/snapshots</snapshot_storage_path><coordination_settings><operation_timeout_ms>10000</operation_timeout_ms><session_timeout_ms>30000</session_timeout_ms><raft_logs_level>warning</raft_logs_level></coordination_settings><raft_configuration><server><id>1</id><hostname>192.168.1.10</hostname><port>9444</port></server><server><id>2</id><hostname>192.168.1.11</hostname><port>9444</port></server><server><id>3</id><hostname>192.168.1.12</hostname><port>9444</port></server><server><id>4</id><hostname>192.168.1.13</hostname><port>9444</port></server></raft_configuration></keeper_server></clickhouse>

端口

• 8123(clickhouse http)
• 9000(clickhouse tcp)
• 8181(clickhouse-keeper)
• 9444(raft)