I'm a little confused.. are the inserts slow, or are the updates slow?
It sounds like you mean the updates were going about 50/updates sec. You
could speed up the update by adding an index on phoneticcallsign.CallSign.
JW
On Thu, Apr 22, 2010 at 10:13 AM, Chris W <4rfv...@cox.net> wrote:
> I have a very simple table.
>
> CREATE TABLE `hams`.`phoneticcallsign` (
> `CallSign` char(6) NOT NULL,
> `PhoneticCallSign` char(6) NOT NULL,
> PRIMARY KEY (`CallSign`),
> KEY `PhoneticIdx` (`PhoneticCallSign`) USING BTREE
> )
> I inserted a little over 1 million records with CallSign = to a value from
> another table and PhoneticCallSign blank. Then I used the following simple
> php script to set the value of PhoneticCallSign.
>
> $query = "SELECT `CallSign` \n";
> $query .= "FROM `phoneticcallsign` \n";
> $query .= "WHERE `PhoneticCallSign` = '' \n";
> $result = mysql_query($query) or die("DB error $query" . mysql_error() );
> while(($row = mysql_fetch_row($result))){
> $CallSign = $row[0];
> $PhoneticCallSign = SoundsLike($CallSign);
> $query = "UPDATE `phoneticcallsign` \n";
> $query .= "SET `PhoneticCallSign` = '$PhoneticCallSign' \n";
> $query .= "WHERE `CallSign` = '$CallSign' \n";
> $Uresult = mysql_query($query) or die("DB error $query" . mysql_error()
> );
> }
>
> This was running very slow and I was getting only about 50 inserts per
> second. I noticed that the table was InnoDB so I decided to change it to
> MyISAM and try again. With MyISAM I was getting around 10,000 inserts per
> second. Surely there is some way to make InnoDB faster.
>
> Any ideas?
>
> Chris W
>
>
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--
-----------------------------
Johnny Withers
601.209.4985
joh...@pixelated.net
