Hi! I would like to know how postgres will behave with a big amount of cached plans from prepared statements on 1 connection. Let's say there is an application level connection pooling and one connection can last for many weeks. Many plans are cached from many prepared statements, is there any postgres management of that or it is totally system thing? Some plans will be evicted from process memory at some point of time or they will be kept infinitely causing huge amount of memory being allocated for this connection?
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