• 升级
• yum方式（下载比较慢）
• Update Cache
• 备份
• 升级
• 本地rpm包方式
• 下载最新的rpm包
• 将rpm包分发至各节点
• 开始升级
• 回滚

升级

yum方式（下载比较慢）

Update Cache

[root@cxy7.com ~]# yum -q makecache -y --disablerepo='*' --enablerepo='Altinity_clickhouse'

备份

[root@cxy7.com ~]# tar -cvzf /opt/clickhouse-server-config.20190611.tgz /etc/clickhouse-server
[root@cxy7.com ~]# tar -cvzf /opt/clickhouse-server-metadata.20190611.tgz /data/clickhouse/metadata

升级

[root@cxy7.com ~]# /etc/init.d/clickhouse-server forcestop
[root@cxy7.com ~]# yum upgrade clickhouse-server clickhouse-client -y

本地rpm包方式

下载最新的rpm包

https://packagecloud.io/altinity/clickhouse

将rpm包分发至各节点

clickhouse-client-19.13.1.11-1.el7.x86_64.rpm
clickhouse-common-static-19.13.1.11-1.el7.x86_64.rpm
clickhouse-server-19.13.1.11-1.el7.x86_64.rpm
clickhouse-server-common-19.13.1.11-1.el7.x86_64.rpm

开始升级

[root@cxy7.com ~]# /etc/init.d/clickhouse-server forcestop
[root@cxy7.com ~]# yum upgrade *.rpm -y

回滚

[root@cxy7.com ~]# /etc/init.d/clickhouse-server stop
[root@cxy7.com ~]# yum downgrade clickhouse-server-common-18.14.15-1.el7.x86_64 clickhouse-server-18.14.15-1.el7.x86_64 clickhouse-common-static-18.14.15-1.el7.x86_64 clickhouse-client-18.14.15-1.el7.x86_64 -y

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