| From: | "Luke Lonergan" <llonergan(at)greenplum(dot)com> |
|---|---|
| To: | "Martijn van Oosterhout" <kleptog(at)svana(dot)org> |
| Cc: | "Rocco Altier" <RoccoA(at)Routescape(dot)com>, pgsql-patches(at)postgresql(dot)org, "Simon Riggs" <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: [PATCH] Improve EXPLAIN ANALYZE overhead by |
| Date: | 2006-05-11 21:42:32 |
| Message-ID: | C088FDD8.2338C%llonergan@greenplum.com |
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| Lists: | pgsql-patches |
Martijn,
On 5/11/06 12:17 AM, "Martijn van Oosterhout" <kleptog(at)svana(dot)org> wrote:
> Did you test it? There are some cases where this might still leave some
> noticable overhead (high loop count). I'm just not sure if they occur
> all that often in practice...
I've sent it to our team for testing, let's see if we get some info to
forward.
We're running the 10TB TPC-H case and I'm asking for EXPLAIN ANALYZE that
might take days to complete, so we certainly have some test cases for this
;-)
- Luke
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