From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Matheus Alcantara <matheusssilv97(at)gmail(dot)com> |
Cc: | Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Fixing memory leaks in postgres_fdw |
Date: | 2025-05-28 20:56:32 |
Message-ID: | 1696019.1748465792@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
I wrote:
> Having said that, the idea that this sequence is OOM-safe is pretty
> silly anyway, considering that createNewConnection does a pstrdup,
> and creates a new hashtable entry which might require enlarging the
> hashtable, and for that matter might even create the hashtable.
> So maybe rather than continuing to adhere to a half-baked coding
> rule, we need to think of some other way to do that.
Here's an attempt at fixing this properly. I'm posting it as a
standalone patch because I now think this part might be worth
back-patching. The odds of an OOM at just the wrong time aren't
high, but losing track of an open connection seems pretty bad.
regards, tom lane
Attachment | Content-Type | Size |
---|---|---|
v5-0001-Avoid-resource-leaks-when-a-dblink-connection-fai.patch | text/x-diff | 8.4 KB |
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