Wednesday, April 9, 2014

Why aren't multi-object updates atomic?

Losing ACID across shards isn't an excuse for not having it within a shard. Applications control the shard key and can co-locate data that would benefit from this feature. Performance imperfections in the product, limits in the product and application data models will require this in some deployments.

No comments:

Post a Comment

Postgres 18 beta3, large server, sysbench

This has performance results for Postgres 18 beta3, beta2, beta1, 17.5 and 17.4 using the sysbench benchmark and a large server. The working...