clickhouse for centos7安装和使用初探

clickhouse介绍:

战斗民族开发的 olap 数据库，属于NoSQL,适用于渠道漏斗分析、app 点击行为路径分析等业务场景

安装:

按照官方文档推荐，用yum方式安装最方便

#yum install yum-utils -y

# rpm --import https://repo.yandex.ru/clickhouse/CLICKHOUSE-KEY.GPG

# yum-config-manager --add-repo https://repo.yandex.ru/clickhouse/rpm/stable/x86_64

Loaded plugins: fastestmirror

adding repo from: https://repo.yandex.ru/clickhouse/rpm/stable/x86_64

[repo.yandex.ru_clickhouse_rpm_stable_x86_64]

name=added from: https://repo.yandex.ru/clickhouse/rpm/stable/x86_64

baseurl=https://repo.yandex.ru/clickhouse/rpm/stable/x86_64

enabled=1

# yum install clickhouse-server clickhouse-client -y  (此步时间有点长，多等会)

启动clickhouse:

# service clickhouse-server start

Start clickhouse-server service: Path to data directory in /etc/clickhouse-server/config.xml: /var/lib/clickhouse/

DONE

连接和使用测试:

# clickhouse-client 

ClickHouse client version 19.15.3.6 (official build).

Connecting to localhost:9000 as user default.

Connected to ClickHouse server version 19.15.3 revision 54426.

test-110-81 :) 

test-110-81 :) 

test-110-81 :) 

test-110-81 :) select 1

SELECT 1

┌─1─┐

│ 1 │

└───┘

1 rows in set. Elapsed: 0.002 sec. 

test-110-81 :) CREATE TABLE wikistat(date Date,time DateTime,project String,subproject String,path String,hits UInt64,size UInt64) ENGINE = MergeTree(date, (path, time), 8192);

CREATE TABLE wikistat

(

    `date` Date, 

    `time` DateTime, 

    `project` String, 

    `subproject` String, 

    `path` String, 

    `hits` UInt64, 

    `size` UInt64

)

ENGINE = MergeTree(date, (path, time), 8192)

Ok.

0 rows in set. Elapsed: 0.032 sec. 

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