| From: | Chapman Flack <chap(at)anastigmatix(dot)net> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: AdvanceXLInsertBuffer vs. WAL segment compressibility |
| Date: | 2016-07-26 03:32:59 |
| Message-ID: | 5796D9EB.6070407@anastigmatix.net |
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| Lists: | pgsql-hackers |
On 07/25/16 22:09, Michael Paquier wrote:
> This is over-complicating things for little gain. The new behavior of
> filling in with zeros the tail of a segment makes things far better
> when using gzip in archive_command.
Then how about filling with actual zeros, instead of with mostly-zeros
as is currently done? That would work just as well for gzip, and would
not sacrifice the ability to do 100x better than gzip.
-Chap
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