Personal technical blog of Aristarkh Zagorodnikov. Topics covered include (or at least plan to include) C++, C#, MongoDB, NGINX and other development technologies.
mod_gridfs v0.4: tag sets
Short news: mod_gridfs is now v0.4, supporing read preference tag sets along with having some performance and robustness improvements. Addition of tag sets allows many interesting things, for example fair 1-to-1 load balancing between shard replicas.