1. 拉取镜像
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docker pull clickhouse /clickhouse-server :22.3.11.12-alpine |
2. clickhouse单机版
2.1. 配置容器
因为如下原因,需要将clickhouse的配置文件及数据目录复制到宿主机
- 修改配置文件
- 避免容器重启时,丢失数据文件
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#启动容器 docker run -d --name ch-server -- ulimit nofile=262144:262144 clickhouse /clickhouse-server :22.3.11.12-alpine # 复制文件到宿主机 docker cp ch-server: /etc/clickhouse-server D: /docker/ch/etc/clickhouse-server docker cp ch-server: /var/lib/clickhouse D: /docker/ch/data #停止容器 docker stop ch-server # 再次启动容器 docker run -d --name=single-ch-server -p 8123:8123 -p 9000:9000 -p 9009:9009 -- ulimit nofile=262144:262144 - v D: /docker/ch/data : /var/lib/clickhouse :rw - v D: /docker/ch/etc/clickhouse-server : /etc/clickhouse-server :rw clickhouse /clickhouse-server :22.3.11.12-alpine |
2.2. 测试jdbc连接
启动成功后,使用DBeaver测试,用户名default,密码为空,则可以正常连接。
3 clickhouse集群版
3.1. 修改集群配置
- 将配置、日志放在ch01目录下
- 修改 D:\docker\ch\ch01\etc\clickhouse-server下的config.xml中,删除 <remote_servers>节点并添加如下信息
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< include_from >/etc/clickhouse-server/metrika01.xml</ include_from > < remote_servers incl = "clickhouse_remote_servers" optional = "true" /> < zookeeper incl = "zookeeper_servers" optional = "true" /> < macros incl = "macros" optional = "true" /> <!--MergeTree引擎表的数据压缩设置,在metrika.xml--> < compression incl = "clickhouse_compression" ></ compression > |
- 新增metrika01.xml文件,内容如下:
- 考虑到一台笔记本的资源比较有限,所以就安装单个节点的zk, clickhouse的集群也是2分片1副本的。
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<? xml version = "1.0" ?> < yandex > < clickhouse_remote_servers > < cluster01 > < shard > < internal_replication >true</ internal_replication > < weight >1</ weight > < replica > < host >ch01</ host > < port >9000</ port > < user >default</ user > < password ></ password > </ replica > </ shard > < shard > < internal_replication >true</ internal_replication > < weight >1</ weight > < replica > < host >ch02</ host > < port >9000</ port > < user >default</ user > < password ></ password > </ replica > </ shard > </ cluster01 > </ clickhouse_remote_servers > < macros > < layer >01</ layer > < shard >01</ shard > < replica >ch01</ replica > </ macros > < zookeeper_servers > < node index = "1" > < host >zk01</ host > < port >2181</ port > </ node > </ zookeeper_servers > < networks > < ip >::/0</ ip > </ networks > < clickhouse_compression > < case > < min_part_size >1073741824</ min_part_size > < min_part_size_ratio >0.01</ min_part_size_ratio > < method >lz4</ method > </ case > </ clickhouse_compression > </ yandex > |
节点ch02的配置:复制ch01目录,产生ch02目录
修改metrika01.xml,将macros内容调整,其它配置与上面一致。
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< macros > < layer >01</ layer > < shard >02</ shard > < replica >ch02</ replica > </ macros > |
3.2. 编辑docker-compose.yml
采用卷标的方式挂载数据
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version: '3.1' services: zookeeper: image: zookeeper : 3.4.14 ports: - "8181:2181" - "8182:2182" hostname: zk01 ch01: image: clickhouse/clickhouse-server : 22.3.11.12-alpine restart: on -failure container_name: ch01 ports: - 9000 : 9000 - 8123 : 8123 - 9009 : 9009 volumes: - ch1-data : /var/lib/clickhouse - D : /docker/ch/ch01/etc/clickhouse-server : /etc/clickhouse-server : rw - D : /docker/ch/ch01/log : /var/log/clickhouse-server : rw hostname: ch01 ulimits: nofile: soft: 262144 hard: 262144 depends_on: - "zookeeper" ch02: image: clickhouse/clickhouse-server : 22.3.11.12-alpine restart: on -failure container_name: ch02 ports: - 9800 : 9000 - 8823 : 8123 - 9809 : 9009 volumes: - ch2-data : /var/lib/clickhouse - D : /docker/ch/ch02/etc/clickhouse-server : /etc/clickhouse-server : rw - D : /docker/ch/ch02/log : /var/log/clickhouse-server : rw hostname: ch02 ulimits: nofile: soft: 262144 hard: 262144 depends_on: - "zookeeper" volumes: ch1-data: ch2-data: |
3.3. 启动CH集群
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docker-compose up -d |
3.4. 测试
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create database test on cluster cluster01; use test; create table events_local on cluster cluster01 ( ID String, EventType UInt8, URL String, EventTime DateTime ) ENGINE = MergeTree() PARTITION BY toStartOfDay(EventTime) ORDER BY (EventTime,EventType) SETTINGS index_granularity = 8192; create table events on cluster cluster01 as test.events_local ENGINE = Distributed( 'cluster01' , 'test' , 'events_local' , rand()); insert into events(ID,EventType,URL,EventTime) values ( '11' ,1, 'http://www.baidu.com' , '2021-12-20 12:00:00' ); insert into events(ID,EventType,URL,EventTime) values ( '12' ,1, 'http://www.baidu.com' , '2021-12-20 12:00:00' ); insert into events(ID,EventType,URL,EventTime) values ( '13' ,1, 'http://www.baidu.com' , '2021-12-20 12:00:00' ); insert into events(ID,EventType,URL,EventTime) values ( '14' ,1, 'http://www.baidu.com' , '2021-12-20 12:00:00' ); insert into events(ID,EventType,URL,EventTime) values ( '15' ,1, 'http://www.baidu.com' , '2021-12-20 12:00:00' ); insert into events(ID,EventType,URL,EventTime) values ( '16' ,1, 'http://www.baidu.com' , '2021-12-20 12:00:00' ); |
4. 存在的解决问题
4.1. Permission denied
将Clickhouse的数据目录放在宿主机时,在插入数据时报如下错误,但如果不放在宿主机,则数据会丢失。
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Received exception from server (version 22.3.11): Code: 1001. DB::Exception: Received from localhost:9000. DB::Exception: std::__1::__fs::filesystem::filesystem_error: filesystem error: in rename: Permission denied [/var/lib/clickhouse/store/0d4/0d4a6f52-b3a6-4496-8174-e03ae9503321/tmp_insert_1639958400_1_1_0/] [/var/lib/clickhouse/store/0d4/0d4a6f52-b3a6-4496-8174-e03ae9503321/1639958400_1_1_0/]. (STD_EXCEPTION) |
- 采用将宿主机 路径直接挂载到本地,比较直观,但需要管理本地的路径,但这种方式在clickhouse写数据时,会报:Permission denied
- 使用卷标的方式,比较简洁,但你不知道数据存在本地什么位置,但这种方式在clickhouse写数据时是正常的
目前不清楚具体的原因,如果你知道,烦请告知。 4.2. Ports are not available
报错信息:Error response from daemon: Ports are not available: exposing port TCP 0.0.0.0:8848 -> 0.0.0.0:0: listen tcp 0.0.0.0:8848: bind: An attempt was made to access a socket in a way forbidden by its access permissions.
通过cmd命令查看哪些端口被禁用TCP协议
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netsh interface ipv4 show excludedportrange protocol=tcp |
将docker启动命令中的宿主机端口改成禁用之外的就可以了
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原文链接:https://blog.csdn.net/penriver/article/details/126458447