On 03/16/2016 10:56 AM, Andres Freund wrote:

I understand that this is designed this way. I think it is a bad idea

1. The majority crash-restarts in the wild are going to be diagnosed rather
easily within the OS itself. They fall into things like OOM killer and out
of disk space.

I don't buy 1), like at all. I've seen numerous production instances
with crashes outside of os triggered things.

I don't argue that. I argue that 9 times out of 10, it will not be one of those things but ....

3. The problem can get worse over time. If you have a very long running
instance, any time the backend crash-restarts you have to potential to
increase disk space used for no purpose.

But I think these outweigh the debugging benefit.

Well as Andrew said, we could also create postmaster start option that defaults to don't save.


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