On Mon, 2008-09-29 at 12:32 +0200, Jérôme Jouanin wrote:
> Upgrade 8.3.4 is available. Before compiling, I have to apply the
> optimized toast patch : bin7hetTGkMRL.bin.
>
> There are differences in 1 of the 3 files patched : tuptoaster.c
>
> The patch runs successfully but before installing on
Gregory Stark <[EMAIL PROTECTED]> writes:
> "Tom Lane" <[EMAIL PROTECTED]> writes:
>> * Adds an early-failure path to the compressor as suggested by Jan:
>> if it's been unable to find even one compressible substring in the
>> first 1KB (parameterizable), assume we're looking at incompressible
>> i
Tsvector dump (taken by Magnus from mail archives of pgsql's lists)
http://www.sigaev.ru/misc/tstest.sql.bz2
Query:
select sum(ts_rank( vector, 'asdfjkl' )) from tstest ;
ts_rank detoasts value in any case, even tsvector doesn't contain needed
lexemes.
Test was on my notebook: Core2 Duo 1.8MH
On 2/18/2008 5:33 AM, Gregory Stark wrote:
"Tom Lane" <[EMAIL PROTECTED]> writes:
* Adds an early-failure path to the compressor as suggested by Jan:
if it's been unable to find even one compressible substring in the
first 1KB (parameterizable), assume we're looking at incompressible
input and
On Tue, Feb 19, 2008 at 06:46:24PM +0300, Teodor Sigaev wrote:
> Magnus, could you provide dump of tsvector column of archive search?
> I'll make a test with and without Tom's patch.
>
> >>>I have not done any performance testing of these changes --- does
> >>>anyone have specific test scenarios t
Magnus, could you provide dump of tsvector column of archive search?
I'll make a test with and without Tom's patch.
I have not done any performance testing of these changes --- does
anyone have specific test scenarios they'd like to try?
--
Teodor Sigaev E-ma
Teodor Sigaev <[EMAIL PROTECTED]> writes:
>> I have not done any performance testing of these changes --- does
>> anyone have specific test scenarios they'd like to try?
> That's very important change for text search, because of tsvector storage.
> Headline and rank reads a lot of tsvectors. It s
"Tom Lane" <[EMAIL PROTECTED]> writes:
> * Adds an early-failure path to the compressor as suggested by Jan:
> if it's been unable to find even one compressible substring in the
> first 1KB (parameterizable), assume we're looking at incompressible
> input and give up. (There are various ways this
> This proposed patch addresses some issues in TOAST compression strategy that
I have not done any performance testing of these changes --- does
anyone have specific test scenarios they'd like to try?
That's very important change for text search, because of tsvector storage.
Headline and rank