James(王旭) wrote: > As the title,How to keep a specific index in memory gracefully? > > After some statistical query, I can determine that not all indexes can be fit into memory, > but one of the most frequently used indexes(say idx_xyz) can be definitely fit into > memory(specifically ,[the size of idx_xyz]=20% x [memory size]). > > I know there's pgprewarm, but I feel with pgprewarm I can't keep things under control, e.g. no realtime monitor, being squeezed out of memory ,.etc. > > Is it possible that I can simply do something like "select idx_xyz into xxx" and keep the specific index in memory forever? If the indexes are frequently used, they should remain cached anyway. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
