Top "Sharding" questions

Sharding is a technique of partitioning database tables by row ("horizontally"); typically this technique requires a key to be selected that determines how the rows are to be partitioned.

How to increase Redis performance when 100% CPU? Sharding? Fastest .Net Client?

Due to massive load increases on our website redis is now struggling with peak load because the redis server instance …

performance redis sharding servicestack.redis stackexchange.redis
Auto sharding postgresql?

I have a problem where I need to load alot of data (5+ billion rows) into a database very quickly (ideally …

database postgresql partitioning sharding
Are there any REAL advantages to NoSQL over RDBMS for structured data on one machine?

So I've been trying hard to figure out if NoSQL is really bringing that much value outside of auto-sharding and …

sql database scalability sharding nosql
what is a good way to horizontal shard in postgresql

what is a good way to horizontal shard in postgresql 1. pgpool 2 2. gridsql which is a better way to use sharding …

postgresql partitioning sharding
Failing to start shard in ElasticSearch IndexShardGatewayRecoveryException "sending failed"

I'm getting this error, in my ES log I'm using three nodes. Caused by: java.lang.ArrayIndexOutOfBoundsException [2014-09-08 13:53:56,167][WARN ][…

elasticsearch sharding
How to view sharding keys in mongodb shell?

This might be a dummy question, but I cannot find any clue in all online doc. For a already-built-up mongodb …

mongodb sharding
Why MongoDB config servers must be one or three only?

After reading the official documentation for the MongoDB sharding architecture I have not found out why you need to have …

mongodb configuration sharding
120 mongodb collections vs single collection - which one is more efficient?

I'm new to mongodb and I'm facing a dilemma regarding my DB Schema design: Should I create one single collection …

mongodb collections sharding
Extreme Sharding: One SQLite Database Per User

I'm working on a web app that is somewhere between an email service and a social network. I feel it …

database sqlite architecture scalability sharding
Grails: Connection is read-only. Queries leading to data modification are not allowed

As per my current project structure, I need to maintain multiple databases and user can access data from them. For …

grails connection sharding