sharding
Store hourly clicks with sharded counter in google appengine
I\'m developing an app in python for google app engine that count different kind of clicks with sharded counters.[详细]
2023-03-26 02:19 分类：问答I can't tell in which DB a row is located from just the global identifier
If I have a User table (with a global id as primary key) that is sharded across 10 databases (DB1-DB10) based on the username, and another table tries to refer to the User 开发者_开发问答table using t[详细]
2023-03-22 01:02 分类：问答How exactly could we provide a seamless automated method of key generation to the application that **operates across all shards**
http://www.dbshards.com/articles/database-sharding-whitepapers/: Auto-increment key management. Typical auto-increment functionality[详细]
2023-03-21 23:31 分类：问答Application-level JOIN with WHERE and ORDER BY on N postgresql shards
I have a postgresql c开发者_运维问答luster with different tables residing within different shards (different physical postgresql servers). EG:[详细]
2023-03-20 14:00 分类：问答is sharding based on the first char of username an example of consistent hashing?
is sharding based on firstchar of user\'s name an example of consistent hashing? To be sure, if i shard my database depending on the char-length of the user\'s name, is it Consistent hashing in the s[详细]
2023-03-20 00:37 分类：问答Is sharding simply horizontal partitioning across multiple databases?
Ok i\'ve got a bit of confusion between the terms horizontal partitioning and sharding. Is sharding simply horizontal partitioning across mul开发者_运维技巧tiple databases?In short, yes. Longer answe[详细]
2023-03-19 14:30 分类：问答What are the benefits of vertical partitioning VS horizontal partitioning?
I simply cannot understand when or in what situation will we ever choose vertical partitioning instead of horizontal partitioning.[详细]
2023-03-19 13:38 分类：问答How to change the shard key
I Know that impo开发者_如何学Gossible to change shard key. But, when I set incorrect shard key, How to change that?dump the collection you sharded.. import it again.. set the new shard key.dump collec[详细]
2023-03-19 00:53 分类：问答undefined method has_key? for false:FalseClass (NoMethodError)
I am trying to use Octopus gem for database sharding. I followed this wiki. If you need dynamic shards using[详细]
2023-03-18 04:39 分类：问答How should I configure my Mongodb cluster?
I am running a sharded mongodb environment - 3 mongod shards, 1 mongod config, 1 mongos (no replication).[详细]
2023-03-18 02:56 分类：问答
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