Jim Lyons skrev:
> Has anyone tried using the log_output option in mysql 5.1 to have the
> general log put into a table and not a flat file? I used it for a while
> before having to downgrade back to 5.0 but thought it was a great idea. I'm
> curious to see if anyone feels it helps analysis.
I tried that once, and ran into some problems. Depending on your exact
version, you might experience the same.
http://www.bitbybit.dk/carsten/blog/?p=115
(also has a number of good comments on analysis tools)
And yes, having the data available in a table is a Good Thing for analysis.
/ Carsten
>
> On Tue, Apr 20, 2010 at 6:02 AM, Imran Chaudhry <ichaudhry@stripped> wrote:
>
>> I have 7 days worth of general log data totalling 4.4GB.
>>
>> I want to analyze this data to get:
>>
>> a) queries per second, minute, hour and day
>> b) a count of the number of selects versus write statements (delete,
>> insert, replace and update)
>> c) a variation of the above with "select, replace, delete and insert"
>> versus "update"
>>
>> How can I do this?
>>
>> I've looked at mysqlsla which is complex, works well but does not
>> quite get what I want. [1]
>>
>> I looked at MyProfi 0.18 which looks like it will get some of the
>> answers but runs out of memory working on the smallest log file
>> (mysql.log) even with memory_limit in php.ini set to 1024MB [2]
>>
>> -rw-r----- 1 imran imran 268M 2010-04-19 13:03 mysql.log
>> -rw-r----- 1 imran imran 721M 2010-04-19 12:56 mysql.log.1
>> -rw-r----- 1 imran imran 737M 2010-04-19 13:05 mysql.log.2
>> -rw-r----- 1 imran imran 554M 2010-04-19 13:06 mysql.log.3
>> -rw-r----- 1 imran imran 499M 2010-04-19 13:02 mysql.log.4
>> -rw-r----- 1 imran imran 568M 2010-04-19 12:59 mysql.log.5
>> -rw-r----- 1 imran imran 488M 2010-04-19 13:01 mysql.log.6
>>
>> Any pointers please? If all else fails, I will prolly write a perl
>> script to munge it.
>>
>> [1] http://hackmysql.com/mysqlsla
>> [2] http://myprofi.sourceforge.net
>>
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>
>
