Diagnostic Commands诊断命令

Note

~~For details on a specific command, including syntax and examples, click on the link to the command's reference page.~~有关特定命令的详细信息，包括语法和示例，请单击该命令参考页的链接。

~~Name~~名称	~~Description~~描述
`buildInfo`	~~Displays statistics about the MongoDB build.~~显示有关MongoDB构建的统计信息。
`collStats`	~~Reports storage utilization statics for a specified collection.~~报告指定集合的存储利用率静态信息。
`connPoolStats`	~~Reports statistics on the outgoing connections from this MongoDB instance to other MongoDB instances in the deployment.~~报告从该MongoDB实例到部署中其他MongoDB实例的传出连接的统计信息。
`connectionStatus`	~~Reports the authentication state for the current connection.~~报告当前连接的身份验证状态。
`dataSize`	~~Returns the data size for a range of data. For internal use.~~返回一系列数据的数据大小。供内部使用。
`dbHash`	~~Returns hash value a database and its collections.~~返回数据库及其集合的哈希值。
`dbStats`	~~Reports storage utilization statistics for the specified database.~~报告指定数据库的存储利用率统计信息。
`driverOIDTest`	~~Internal command that converts an ObjectId to a string to support tests.~~将ObjectId转换为字符串以支持测试的内部命令。
`explain`	~~Returns information on the execution of various operations.~~返回有关各种操作执行情况的信息。
`features`	~~Reports on features available in the current MongoDB instance.~~报告当前MongoDB实例中可用的功能。
`getCmdLineOpts`	~~Returns a document with the run-time arguments to the MongoDB instance and their parsed options.~~将带有运行时参数的文档返回到MongoDB实例及其解析的选项。
`getLog`	~~Returns recent log messages.~~返回最近的日志消息。
`hostInfo`	~~Returns data that reflects the underlying host system.~~返回反映基础主机系统的数据。
`_isSelf`	~~Internal command to support testing.~~支持测试的内部命令。
`listCommands`	~~Lists all database commands provided by the current `mongod` instance.~~列出当前`mongod`实例提供的所有数据库命令。
`lockInfo`	~~Internal command that returns information on locks that are currently being held or pending.~~ 一个内部命令，用于返回有关当前被挂起或挂起的锁的信息。~~Only available for `mongod` instances.~~仅适用于`mongod`实例。
`netstat`	~~Internal command that reports on intra-deployment connectivity. Only available for `mongos` instances.~~报告部署内连接的内部命令。仅适用于`mongos`实例。
`ping`	~~Internal command that tests intra-deployment connectivity.~~测试部署内连接的内部命令。
`profile`	~~Interface for the database profiler.~~数据库探查器的接口。
`serverStatus`	~~Returns a collection metrics on instance-wide resource utilization and status.~~返回实例范围内资源利用率和状态的集合度量。
`shardConnPoolStats`	~~Deprecated in 4.4 Use :dbcommand:`connPoolStats` instead.~~4.4中已弃用，请改用`connPoolStats`。 ~~Reports statistics on a `mongos`'s connection pool for client operations against shards.~~ 为针对分片的客户端操作报告`mongos`连接池的统计信息。
`top`	~~Returns raw usage statistics for each database in the `mongod` instance.~~返回`mongod`实例中每个数据库的原始使用情况统计信息。
`validate`	~~Internal command that scans for a collection's data and indexes for correctness.~~用于扫描集合的数据和索引以确保正确性的内部命令。
`validateDBMetadata`	~~Checks that the stored metadata of a database/collection is valid within a particular API version.~~检查数据库/集合的存储元数据在特定的API版本中是否有效。
`whatsmyuri`	~~Internal command that returns information on the current client.~~返回当前客户端信息的内部命令。

← shutdown buildInfo →