| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Setting pd_lower in GIN metapage |
| Date: | 2017-09-11 09:53:04 |
| Message-ID: | CAA4eK1JC3CRS=GzPrzS8XcNK3VXFPaOV8oKS3Qx0dKst9bCasA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Sep 11, 2017 at 12:43 PM, Michael Paquier
<michael(dot)paquier(at)gmail(dot)com> wrote:
> On Mon, Sep 11, 2017 at 4:07 PM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>> I have prepared separate patches for hash and btree index. I think
>> for another type of indexes, it is better to first fix the pd_lower
>> issue.
>
> Just wondering (sorry I have not looked at your patch in details)...
> Have you tested the compressibility effects of this patch on FPWs with
> and without wal_compression?
>
I have debugged it to see that it is executing the code path to
eliminate the hole for the hash index.
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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