MongoDB复制参考

Replication Reference

复制参考

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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