2018-04-19 21:56 GMT+02:00 Alvaro Herrera <alvhe...@alvh.no-ip.org>: > Michael Paquier wrote: > > > Then, let's consider the beginning of the first commit fest of v12 as > > judgement. Implementing radix tree for shared buffers is a long-term > > project, which has no guarantee to get merged, while a visibly-simple > > reloptions which helps in some cases... > > In the scenario we studied, the truncations were causing periodic > hiccups which were quite severe. The truncations were completely > useless anyway because the table grew back to the original size daily (a > few dozen GBs I think). That was a lot of unnecessary work, and under > exclusive lock no less. >
has sense Pavel > > -- > Álvaro Herrera https://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services > >
