| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: NDirectFileRead and Write |
| Date: | 2008-09-16 09:12:03 |
| Message-ID: | 48CF7863.5080903@enterprisedb.com |
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| Thread: | |
| Lists: | pgsql-hackers |
Tom Lane wrote:
> ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> writes:
>> BTW, we have the word 'Direct' in ShowBufferUsage().
>> Can I keep it as-is?
>
>> ShowBufferUsage()
>> ! Shared blocks: ...
>> ! Local blocks: ...
>> ! Direct blocks: <R> read, <W> written
>
> Good point. Seems like it should be changed, but I am not sure to what.
> Ideas anyone?
How about "Temp blocks"? It might be slightly confusing that access to
temporary tables shows up in "Local blocks", rather than "Temp blocks",
though. But then again, temp_tablespaces already controls where the
files are created, among other things, so there's some precedence to
calling those things "temp".
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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