mongodb primary shard
The primary shard in a new cluster is always the first shard. See the manual., Sharded cluster由Shard、Mongos和Config server 3个组件构成。 Mongos ... shard为mongo-9003； 而test数据库没有开启分片，primary shard ...
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 mongodb primary shard 相關參考資料
primary shards in mongodb - Stack Overflow
Yes, you are right! And you understanded concept. As long as you don't shard individual collection, collection must have primary location, ... https://stackoverflow.com how does mongo select primary shard in cluster? - Stack Overflow
The primary shard in a new cluster is always the first shard. See the manual. https://stackoverflow.com MongoDB · 特性分析· Sharded cluster架构原理 - taobao.org!
Sharded cluster由Shard、Mongos和Config server 3个组件构成。 Mongos ... shard为mongo-9003； 而test数据库没有开启分片，primary shard ... http://mysql.taobao.org Sharding — MongoDB Manual
MongoDB shards data at the collection level, distributing the collection data across the shards in the ... A primary shard contains non-sharded collections as well ... https://docs.mongodb.com Shards — MongoDB Manual
As of MongoDB 3.6, shards must be deployed as a replica set to provide redundancy ... Each database in a sharded cluster has a primary shard that holds all the ... https://docs.mongodb.com movePrimary — MongoDB Manual - MongoDB Documentation
In a sharded cluster, movePrimary reassigns the primary shard which holds all un-sharded collections in the database. movePrimary first changes the primary ... https://docs.mongodb.com View Cluster Configuration — MongoDB Manual
List Databases with Sharding Enabled; List Shards; View Cluster Details ... "partitioned" : true, "primary" : "shard0000" } foo.contacts shard key: "zip" : 1 }... https://docs.mongodb.com Remove Shards from an Existing Sharded Cluster - MongoDB ...
The output includes the field dbsToMove indicating the databases, if any, for which the shard is the primary shard. After all chunks have been drained from the ... https://docs.mongodb.com Aggregation Pipeline and Sharded Collections — MongoDB ...
If the pipeline starts with an exact $match on a shard key, the entire pipeline runs ... split, and the work of merging it would have to be done on the primary shard. https://docs.mongodb.com mongos — MongoDB Manual
Changed in version 3.6: For aggregation operations that run on multiple shards, if the operations do not require running on the database's primary shard, these ... https://docs.mongodb.com |