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Optimization rolling update pd #883
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liubo0127
commented
Aug 5, 2019
LinuxGit
reviewed
Aug 7, 2019
rolling_update.yml
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| tags: | ||
| - pd | ||
| tasks: | ||
| - name: Get pd leader |
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LinuxGit
reviewed
Aug 7, 2019
rolling_update.yml
Outdated
| register: pd_status | ||
| - name: Failed when one node of pd is unhealthy | ||
| fail: | ||
| msg: "Some pd node is unhealth" |
LinuxGit
reviewed
Aug 7, 2019
| groups: pd_servers_followers | ||
| pd_client_port: "{{ pd_client_port }}" | ||
| deploy_dir: "{{ deploy_dir }}" | ||
| pd_peer_port: "{{ pd_peer_port }}" |
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It seems that pd_servers_followers groups don't have group variables in
https://github.com/pingcap/tidb-ansible/blob/master/group_vars/pd_servers.yml and other customized host variables.
LinuxGit
reviewed
Aug 12, 2019
| @@ -54,8 +54,101 @@ | |||
| - current_version.stdout_lines[0].replace(' ','').split(':')[1] < "v2.0.1" | |||
| - tidb_version >= "v2.1.0" or tidb_version == "latest" | |||
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| - hosts: pd_servers | |||
| any_errors_fatal: true | |||
| serial: 1 | |||
LinuxGit
reviewed
Aug 12, 2019
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| - hosts: pd_servers | ||
| any_errors_fatal: true | ||
| serial: 1 |
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Divide the pd node into two groups(leader and follower), upgrade the follower first, and finally upgrade the leader.
@LinuxGit @superlzs0476 PTAL