Hi!

>>>>> "Sinisa" == Sinisa Milivojevic <[EMAIL PROTECTED]> writes:

Sinisa> Jeff Tanner writes:
>> 
>> I running a test on mysql to test its performance of doing a bulk insert
>> into a table using LOAD DATA INFILE.
>> 
>> The table is simple:
>> 
>> CREAT TABLE test (
>> value        CHAR(32) NOT NULL PRIMARY KEY
>> )
>> 
>> The test is simple:
>> a) clear table
>> b) time performance of inserting X unique values into table from a
>> single file (each value on a new line)
>> 
>> # of unique values   time in seconds
>> 10                        0.05
>> 100                       0.05
>> 1K                        0.10
>> 10K                       0.75
>> 100K                    10
>> 500K                          125
>> 1M                             500
>> 5M                          55000
>> 
>> My concern is the last entry of 5 million entries. Is there a mysql system
>> variable I should reset to improve performance?
>> 
>> Thanks
>> 
>> Jeff Tanner
>> Viathan
>> Seattle, WA 

Sinisa> No, but you could crate a table without index and add primary key
Sinisa> after loading of data.

Actually MySQL is already doing this when you do LOAD DATA INFILE to
a table without any rows.

Jeff, what you can do is to start mysqld with a much bigger value for
'myisam_sort_buffer_size' and see if this helps.

Regards,
Monty

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