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Re: [HACKERS] Error: dsa_area could not attach to a segment that has been freed - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [HACKERS] Error: dsa_area could not attach to a segment that has been freed
Date
Msg-id 5111.1505914630@sss.pgh.pa.us
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In response to Re: [HACKERS] Error: dsa_area could not attach to a segment that hasbeen freed  (Craig Ringer <craig@2ndquadrant.com>)
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Craig Ringer <craig@2ndquadrant.com> writes:
> On 20 September 2017 at 16:55, Thomas Munro <thomas.munro@enterprisedb.com>
> wrote:
>> There is a kind of garbage collection for palloc'd memory and
>> also for other resources like file handles, but if you're using a big
>> long lived DSA area you have nothing like that.

> We need, IMO, a DSA-backed heirachical MemoryContext system.

Perhaps the ResourceManager subsystem would help here.
        regards, tom lane


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