Re: BUG #17422: Memory leak

On 2022-03-01 17:06:02 +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
> 
> Bug reference:      17422
> Logged by:          Vitaly Stoyan
> Email address:      vitstn@gmail.com
> PostgreSQL version: 13.6
> Operating system:   any
> Description:        
> 
> https://github.com/postgres/postgres/blob/REL_13_STABLE/src/backend/utils/adt/json.c#L83
> 
> It seems memory allocated by palloc for lex variable isn't freed

In a lot of places we free memory in bulk by resetting memory contexts. See
https://github.com/postgres/postgres/blob/master/src/backend/utils/mmgr/README

Greetings,

Andres Freund