You can load sqlite into memory?
I do have 2GB of RAM.
You can pass :memory: to the sqlite_open command to open a SQLite
database in memory I think it is
I imagine this will speed up your retrievals but without an index it
will still be slower that it should be.
With an index I imagine
]
[mailto:[EMAIL PROTECTED]
rg] On Behalf Of Richard
Sent: 06 October 2005 04:57
To: SQLite Users Mailing List
Subject: [sqlite] Speed Test Done !
Importance: High
Well, finally import 9,337,681 records into sqlite3 test2.db
and ran the test.
import sqtest4.txt : 2 min 28 seconds
select
]
rg] On Behalf Of Richard
Sent: 06 October 2005 04:57
To: SQLite Users Mailing List
Subject: [sqlite] Speed Test Done !
Importance: High
Well, finally import 9,337,681 records into sqlite3 test2.db
and ran the test.
import sqtest4.txt : 2 min 28 seconds
select A, '32.0833' From T ; 9 min
As I understand it Panorama is ram-based, and consequently unsuitable
for large databases. Being memory resident naturally gives it greater
speed, but limits it to small scale applications.
I note that Dr Hipp quite clearly makes the point that Sqlite does not
even map the Sqlite file into
Okay Steve,
I try this, please note: in PAN, there is no way for me to deselect
the other field ie: in this three field database, I do a search,
PAN will display all three field but with the found set, of the search
string.
Richard
On Thu, 06 Oct 2005 06:22:31 -0400, Steve O'Hara
[EMAIL
Richard wrote:
To find 32.0833 from field A, in Table T
Richard,
To correctly compare the speed of SQLite to Panorama running from memory
you need to do the following.
Start sqlite with no database file name. It will open a database in memory.
sqlite3
Now create your table and import
Well, There must be something wrong with the test,
you wanted me to run:
Welcome to Darwin!
G4:~ rn$ sqlite3
SQLite version 3.2.5
Enter .help for instructions
sqlite create table T (A, B, C );
sqlite .separator ,
sqlite .import 'sqtest4.txt' T
sqlite create index I on T (A) ;
sqlite .output
Richard wrote:
Well, There must be something wrong with the test,
you wanted me to run:
Welcome to Darwin!
G4:~ rn$ sqlite3
SQLite version 3.2.5
Enter .help for instructions
sqlite create table T (A, B, C );
sqlite .separator ,
sqlite .import 'sqtest4.txt' T
sqlite create index I on T (A) ;
select * from T where A = '32.0833';
(quote the 32.0833...'32.0833')
If you happen to have the sqtest4.txt file available for downloading
(via wget or http), I might try doing this myself.
Bob Cochran
Richard wrote:
Well, Did the correction,
and still the results text was nothing (zero)
Hey,
I be more than happy to uploaded to anyone web site, for all to download.
its just a test database based on the National Geological Study, its there
data,
however its huge. 175 MB text file.
Richard
On Thu, 06 Oct 2005 14:06:47 -0400, Robert L Cochran
[EMAIL PROTECTED] wrote:
Richard wrote:
Well, Did the correction,
and still the results text was nothing (zero)
there should be over 2000 hits...
cron import time: 3 min 20 second
and index time: 16 min 6 second.
Again, correct the last part:
select * from T where A = 32.0833 and A 32.0834;
no results show in file.
Can you post a link to the source of the text data. That is, a link to
the web site where you got the data from.
Bob Cochran
Richard wrote:
Hey,
I be more than happy to uploaded to anyone web site, for all to download.
its just a test database based on the National Geological Study, its
Okay,,
Thanks to all, thanks to Robert, for the tweak on select string.
that work...
However, the select * from T where A = '32.0833' ;
work, and now the speed test report:
It found 2161 records, in 0.0075 seconds. ( out of 9,337,681 records )
Memory, did not jump that much, from 177 MB to
Well, finally import 9,337,681 records into sqlite3 test2.db
and ran the test.
import sqtest4.txt : 2 min 28 seconds
select A, '32.0833' From T ; 9 min 20 seconds
--
I use another database for MacOS X
also works on Windows, Call Panorama
Did another test, comparing database...
import
Richard wrote:
Still have found no sql program yet, that can beat Panorama in speed.
Since Panorama is RAM based, how about if you did your speed test with a
SQLite in memory database ?
--
Lindsay
On Oct 5, 2005, at 10:57 PM, Richard wrote:
Well, finally import 9,337,681 records into sqlite3 test2.db
and ran the test.
import sqtest4.txt : 2 min 28 seconds
select A, '32.0833' From T ; 9 min 20 seconds
there is no constraint in the above statement... you are selecting A
(which, I am
To find 32.0833 from field A, in Table T
Richard
PS: Nothing is index
On Thu, 06 Oct 2005 01:17:35 -0400, Puneet Kishor [EMAIL PROTECTED]
wrote:
On Oct 5, 2005, at 10:57 PM, Richard wrote:
Well, finally import 9,337,681 records into sqlite3 test2.db
and ran the test.
import
You can load sqlite into memory?
I do have 2GB of RAM.
Richar
d
On Thu, 06 Oct 2005 00:04:29 -0400, Lindsay [EMAIL PROTECTED] wrote:
Richard wrote:
Still have found no sql program yet, that can beat Panorama in speed.
Since Panorama is RAM based, how about if you did your speed test
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