Re: json(b)_array_elements use causes very large memory usage when also referencing entire json document

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Lucas Fairchild-Madar <lucas(dot)madar(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: json(b)_array_elements use causes very large memory usage when also referencing entire json document
Date: 2017-10-08 20:27:51
Message-ID: 13436.1507494471@sss.pgh.pa.us
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Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2017-10-06 21:08:43 -0700, Andres Freund wrote:
>> I'm kinda tempted to put this, after a bit more testing, into v10.

> Any opinions on that?

I think it's fine to put it in HEAD. I would not risk back-patching
into v10. Now that we fixed the new leak, v10 is on par with the last
umpteen years worth of tSRF behavior, and we've not had very many
complaints about that.

regards, tom lane

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