[refactor](doc)Cluster upgrade adds metadata backup (#9189)
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@ -52,6 +52,8 @@ Doris can upgrade smoothly by rolling upgrades. The following steps are recommen
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After the cluster is upgraded, just use the above command to set the corresponding configuration to the original value.
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2. **important! ! Metadata needs to be backed up before upgrading(The entire directory needs to be backed up)! !**
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## Test the correctness of BE upgrade
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1. Arbitrarily select a BE node and deploy the latest palo_be binary file.
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@ -37,20 +37,22 @@ Doris 可以通过滚动升级的方式,平滑进行升级。建议按照以
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1. 关闭集群副本修复和均衡功能
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升级过程中会有节点重启,所以可能会触发不必要的集群均衡和副本修复逻辑。可以先通过以下命令关闭:
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升级过程中会有节点重启,所以可能会触发不必要的集群均衡和副本修复逻辑。可以先通过以下命令关闭:
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```
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# 关闭副本均衡逻辑。关闭后,不会再触发普通表副本的均衡操作。
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$ mysql-client > admin set frontend config("disable_balance" = "true");
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```
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# 关闭副本均衡逻辑。关闭后,不会再触发普通表副本的均衡操作。
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$ mysql-client > admin set frontend config("disable_balance" = "true");
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# 关闭 colocation 表的副本均衡逻辑。关闭后,不会再触发 colocation 表的副本重分布操作。
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$ mysql-client > admin set frontend config("disable_colocate_balance" = "true");
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# 关闭 colocation 表的副本均衡逻辑。关闭后,不会再触发 colocation 表的副本重分布操作。
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$ mysql-client > admin set frontend config("disable_colocate_balance" = "true");
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# 关闭副本调度逻辑。关闭后,所有已产生的副本修复和均衡任务不会再被调度。
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$ mysql-client > admin set frontend config("disable_tablet_scheduler" = "true");
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```
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# 关闭副本调度逻辑。关闭后,所有已产生的副本修复和均衡任务不会再被调度。
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$ mysql-client > admin set frontend config("disable_tablet_scheduler" = "true");
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```
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当集群升级完毕后,在通过以上命令将对应配置设为原值即可。
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当集群升级完毕后,在通过以上命令将对应配置设为原值即可。
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2. **重要!!在升级之前需要备份元数据(整个目录都需要备份)!!**
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## 测试 BE 升级正确性
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@ -52,6 +52,8 @@ Doris can upgrade smoothly by rolling upgrades. The following steps are recommen
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After the cluster is upgraded, just use the above command to set the corresponding configuration to the original value.
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2. **important! ! Metadata needs to be backed up before upgrading(The entire directory needs to be backed up)! !**
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## Test the correctness of BE upgrade
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1. Arbitrarily select a BE node and deploy the latest palo_be binary file.
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@ -52,6 +52,8 @@ Doris 可以通过滚动升级的方式,平滑进行升级。建议按照以
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当集群升级完毕后,在通过以上命令将对应配置设为原值即可。
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2. **重要!!在升级之前需要备份元数据(整个目录都需要备份)!!**
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## 测试 BE 升级正确性
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1. 任意选择一个 BE 节点,部署最新的 palo_be 二进制文件。
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