| From: | Vadim Mikheev <vadim(at)krs(dot)ru> |
|---|---|
| To: | Lincoln Yeoh <lylyeoh(at)mecomb(dot)com> |
| Cc: | Charles Tassell <ctassell(at)isn(dot)net>, pgsql-general(at)postgreSQL(dot)org |
| Subject: | Re: [GENERAL] Postgres INSERTs much slower than MySQL? |
| Date: | 1999-10-20 08:12:50 |
| Message-ID: | 380D7982.71DEF932@krs.ru |
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| Thread: | |
| Lists: | pgsql-general pgsql-hackers |
Lincoln Yeoh wrote:
>
> It's now a lot faster. Now only about 5 or so times slower. Cool.
>
> But it wasn't unexpected that I got the following after a while ;).
>
> NOTICE: BufferAlloc: cannot write block 990 for joblist/central
>
> NOTICE: BufferAlloc: cannot write block 991 for joblist/central
> DBD::Pg::st execute failed: NOTICE: BufferAlloc: cannot write block 991
> for joblist/central
> Error executing insert!NOTICE: BufferAlloc: cannot write block 991 for
> joblist/central
> Database handle destroyed without explicit disconnect.
>
> I don't mind that. I was actually waiting to see what would happen and
> my jaw would have dropped if MVCC could handle Multi Versions with
> 10,000,000 records!
It doesn't seem as MVCC problem. MVCC uses transaction ids,
not tuple ones, and so should work with any number of rows
modified by concurrent transaction... In theory... -:))
Vadim
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