Two months ago we announced pgcheck - a tool for automatic load control on PostgreSQL databases using PL/Proxy. Today we have fixed all found issues about one new feature - pgcheck can now account replication delays and not to route queires on delayed replics.

Sources and some more info could be …

A month ago I spoke about first steps in Yandex.Mail with PostgreSQL and particularly about our tools to provide fault tolerance. One of them is pgcheck - tool for monitoring backend databases from PL/Proxy hosts and changing plproxy.get_cluster_partitions function output to for controlling load on databases …