MongoDB复制参考

Replication Reference
复制参考
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内容概览
​Replication Methods in the mongo Shell​
​mongo Shell中的复制方法​
​Replication Database Commands​
​关于复制的数据库命令​
​Replica Set Reference Documentation​
​副本集参考文档​
Replication Methods in the mongo Shell
Name
Description
​rs.add()​
Adds a member to a replica set. 将成员添加到副本集。
​rs.addArb()​
Adds an arbiter to a replica set. 将仲裁节点添加到副本集。
​rs.conf()​
Returns the replica set configuration document. 返回副本集的配置内容。
​rs.freeze()​
Prevents the current member from seeking election as primary for a period of time. 阻止当前成员在一段时间内寻求选举为主节点。
​rs.help()​
Returns basic help text for replica set functions. 返回副本集功能的基本帮助文本。
​rs.initiate()​
Initializes a new replica set. 初始化新的副本集。
​rs.printReplicationInfo()​
Prints a report of the status of the replica set from the perspective of the primary. 以主节点的角度来打印副本集状态的报告。
​rs.printSlaveReplicationInfo()​
Prints a report of the status of the replica set from the perspective of the secondaries. 以从节点的角度来打印副本集状态的报告。
​rs.reconfig()​
Re-configures a replica set by applying a new replica set configuration object. 通过应用新的副本集配置对象来重新配置副本集。
​rs.remove()​
Remove a member from a replica set. 将成员从副本集中移除。
​rs.status()​
Returns a document with information about the state of the replica set. 返回包含关于副本集状态信息的文档。
​rs.stepDown()​
Causes the current primary to become a secondary which forces an election. 使当前的主节点转变为从节点，同时触发选举。
​rs.syncFrom()​
Sets the member that this replica set member will sync from, overriding the default sync target selection logic. 设置复制集成员从哪个成员中同步数据，同时覆盖默认的同步目标选择逻辑。
Replication Database Commands
Name
Description
​applyOps​
Internal command that applies oplog entries to the current data set. 内部命令，可将oplog条目应用于当前数据集。
​isMaster​
Displays information about this member’s role in the replica set, including whether it is the master. 显示关于此成员在副本集中的角色信息，包括它是否为主角色。
​replSetAbortPrimaryCatchUp​
Forces the elected primary to abort sync (catch up) then complete the transition to primary. 对所选的主节点强行中止同步（即追平数据），然后完成到主节点的转换。
​replSetFreeze​
Prevents the current member from seeking election as primary for a period of time. 阻止当前成员在一段时间内寻求选举为主节点。
​replSetGetConfig​
Returns the replica set’s configuration object. 返回副本集的配置对象。
​replSetGetStatus​
Returns a document that reports on the status of the replica set. 返回报告副本集状态的文档。
​replSetInitiate​
Initializes a new replica set. 初始化新的副本集。
​replSetMaintenance​
Enables or disables a maintenance mode, which puts a secondary node in a RECOVERING state. 启用或禁用维护模式，该模式会将从节点置于RECOVERING状态。
​replSetReconfig​
Applies a new configuration to an existing replica set. 将新的配置应用于现有副本集。
​replSetResizeOplog​
Dynamically resizes the oplog for a replica set member. Available for WiredTiger storage engine only. 动态调整副本集成员oplog的大小。该功能仅适用于WiredTiger存储引擎。
​replSetStepDown​
Forces the current primary to step down and become a secondary, forcing an election. 使当前的主节点转变为从节点,，同时触发选举。
​replSetSyncFrom​
Explicitly override the default logic for selecting a member to replicate from. 显式重写用于选择要复制的成员的默认逻辑。
Replica Set Reference Documentation
副本集参考文档
​Replica Set Configuration​
​副本集配置​
Complete documentation of the replica set configuration object returned by rs.conf().
​rs.conf()命令返回的副本集配置对象的完整文档。
​副本集协议版本​
​Replica Set Protocol Version​
参考副本集协议版本。
​Troubleshoot Replica Sets​
​副本集的故障排查​
副本集故障排查指南。
​The local Database​
​local数据库​
Complete documentation of the content of the local database that mongod instances use to support replication.
关于local数据库内容介绍的完整文档，该数据库在mongod实例中用于支持复制功能。
​Replica Set Member States​
​副本集成员状态​
副本集成员状态的参考。
原文链接：https://docs.mongodb.com/v4.2/reference/replication/​
译者：桂陈

Name	Description
`rs.add()`	Adds a member to a replica set. 将成员添加到副本集。
`rs.addArb()`	Adds an arbiter to a replica set. 将仲裁节点添加到副本集。
`rs.conf()`	Returns the replica set configuration document. 返回副本集的配置内容。
`rs.freeze()`	Prevents the current member from seeking election as primary for a period of time. 阻止当前成员在一段时间内寻求选举为主节点。
`rs.help()`	Returns basic help text for replica set functions. 返回副本集功能的基本帮助文本。
`rs.initiate()`	Initializes a new replica set. 初始化新的副本集。
`rs.printReplicationInfo()`	Prints a report of the status of the replica set from the perspective of the primary. 以主节点的角度来打印副本集状态的报告。
`rs.printSlaveReplicationInfo()`	Prints a report of the status of the replica set from the perspective of the secondaries. 以从节点的角度来打印副本集状态的报告。
`rs.reconfig()`	Re-configures a replica set by applying a new replica set configuration object. 通过应用新的副本集配置对象来重新配置副本集。
`rs.remove()`	Remove a member from a replica set. 将成员从副本集中移除。
`rs.status()`	Returns a document with information about the state of the replica set. 返回包含关于副本集状态信息的文档。
`rs.stepDown()`	Causes the current primary to become a secondary which forces an election. 使当前的主节点转变为从节点，同时触发选举。
`rs.syncFrom()`	Sets the member that this replica set member will sync from, overriding the default sync target selection logic. 设置复制集成员从哪个成员中同步数据，同时覆盖默认的同步目标选择逻辑。

Name	Description
`applyOps`	Internal command that applies oplog entries to the current data set. 内部命令，可将oplog条目应用于当前数据集。
`isMaster`	Displays information about this member’s role in the replica set, including whether it is the master. 显示关于此成员在副本集中的角色信息，包括它是否为主角色。
`replSetAbortPrimaryCatchUp`	Forces the elected primary to abort sync (catch up) then complete the transition to primary. 对所选的主节点强行中止同步（即追平数据），然后完成到主节点的转换。
`replSetFreeze`	Prevents the current member from seeking election as primary for a period of time. 阻止当前成员在一段时间内寻求选举为主节点。
`replSetGetConfig`	Returns the replica set’s configuration object. 返回副本集的配置对象。
`replSetGetStatus`	Returns a document that reports on the status of the replica set. 返回报告副本集状态的文档。
`replSetInitiate`	Initializes a new replica set. 初始化新的副本集。
`replSetMaintenance`	Enables or disables a maintenance mode, which puts a secondary node in a `RECOVERING` state. 启用或禁用维护模式，该模式会将从节点置于`RECOVERING`状态。
`replSetReconfig`	Applies a new configuration to an existing replica set. 将新的配置应用于现有副本集。
`replSetResizeOplog`	Dynamically resizes the oplog for a replica set member. Available for WiredTiger storage engine only. 动态调整副本集成员oplog的大小。该功能仅适用于WiredTiger存储引擎。
`replSetStepDown`	Forces the current primary to step down and become a secondary, forcing an election. 使当前的主节点转变为从节点,，同时触发选举。
`replSetSyncFrom`	Explicitly override the default logic for selecting a member to replicate from. 显式重写用于选择要复制的成员的默认逻辑。

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