sh._lastMigration()

发布于 2015-09-14 14:52:51 | 91 次阅读 | 评论: 0 | 来源: 网络整理

sh._lastMigration(namespace)¶

参数:	namespace (string) – The name of a database or collection within the current database.
返回:	A document with fields detailing the most recent migration in the specified namespace.

sh._lastMigration() returns a document with details about the last migration performed on the database or collection you specify.

Document details:

Fields:

Fields:	_id (string) – The id of the migration task server (string) – The name of the server clientAddr (string) – The IP address and port number of the server. time (ISODate) – The time of the last migration. what (string) – The specific type of migration. ns (string) – The complete namespace of the collection affected by the migration. details (document) – A document containing details about the migrated chunk. Includes `min` and `max` sub-documents with the bounds of the migrated chunk.

_id (string) – The id of the migration task
server (string) – The name of the server
clientAddr (string) – The IP address and port number of the server.
time (ISODate) – The time of the last migration.
what (string) – The specific type of migration.
ns (string) – The complete namespace of the collection affected by the migration.
details (document) – A document containing details about the migrated chunk. Includes min and max sub-documents with the bounds of the migrated chunk.