Hi.
You may want to try a combined index (RecordNumber, WordNumber) on
wordindex, because the indexes you have can only restrict on field
(RecordNumber in the EXPLAIN below) e.g.
ALTER TABLE wordindex ADD UNIQUE(RecordNumber, WordNumber);
I presume that the RecordNumber/WordNumber pairs are
Tim Samshuijzen [EMAIL PROTECTED] writes:
Anyone out there who wants to save me and our company?
You missed the important first step: EXPLAIN the query.
--
Dave Hodgkinson, http://www.hodgkinson.org
Editor-in-chief, The Highway Star
Tim,
1. i'd remove 1 Mb from your 513 Mb machine... maybe it's an very old edo
simm or something.
2. you put an index on all requested fields (maintable.recordnumber and
wordindex.word) ? I bet not.
- Original Message -
From: "Tim Samshuijzen" [EMAIL PROTECTED]
To: [EMAIL
Dear Dave,
Thanks for your reply.
(The table actually works with word numbers, as the words
are present in a hash table. I explained it the way I did
because functionally it is the same. So the actual search
is for WordNumber values instead of Word values.)
I did the EXPLAIN as you
Dear Dave,
Here is the output from vmstat 5:
vmstat 5
procs memoryswap io system
cpu
r b w swpd free buff cache si sobibo incs us sy
id
0 0 0 3936 2980 10568 218856 8 411 33 9 0 3
10
0 0
To: [EMAIL PROTECTED]
Subject: Re: amazingly slow
Dear Dave,
Thanks for your reply.
(The table actually works with word numbers, as the words
are present in a hash table. I explained it the way I did
because functionally it is the same. So the actual search
is for WordNumber values instead of Word
complete within short time.
can you send the output of DESCRIBE db.tablename of all used tables?
regards,
rene
- Original Message -
From: "Tim Samshuijzen" [EMAIL PROTECTED]
To: "Ren Tegel" [EMAIL PROTECTED]
Sent: Tuesday, February 06, 2001 3:07 PM
Subject: Re: amazin
their performance enhancement.
could that be true?
dan
-Original Message-
From: Tim Samshuijzen [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, 6 February 2001 04:50
To: [EMAIL PROTECTED]
Subject: Re: amazingly slow
Dear Dave,
Thanks for your reply.
(The table actually works with word
Message-
From: Ren Tegel [SMTP:[EMAIL PROTECTED]]
Sent: 06 February 2001 14:35
To: Tim Samshuijzen; [EMAIL PROTECTED]
Subject: Re: amazingly slow
Tim,
Hmmm... so you are suggesting the format of the query might be the cause
of
this slow response. I find it hard to believe, unless
