On Mon, Jan 18, 2016 at 11:24 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> Here is a patch that helps a good deal.  I changed things so that when
>> we create a context, we always allocate at least 1kB.
> That's going to kill performance in some other cases; subtransactions
> in particular rely on the subtransaction's TransactionContext not causing
> any actual malloc unless something gets put into the TransactionContext.

Sorry, I guess I wasn't clear: it increases the allocation for the
context node itself to 1kB and uses the extra space to store a few

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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