I already attached the list.
Attaching one more time & thanks for the interest.
Cheers
On Wed, Sep 5, 2012 at 11:44 AM, Manuel Arostegui <manuel@stripped> wrote:
>
>
> 2012/9/5 Adarsh Sharma <eddy.adarsh@stripped>
>
>> Actually that query is not my concern :
>>
>> i have a query that is taking so much time :
>> Slow Log Output :
>> # Overall: 195 total, 16 unique, 0.00 QPS, 0.31x concurrency _____________
>> # Time range: 2012-09-01 14:30:01 to 2012-09-04 14:13:46
>> # Attribute total min max avg 95% stddev median
>> # ============ ======= ======= ======= ======= ======= ======= =======
>> # Exec time 80887s 192us 2520s 415s 1732s 612s 80s
>> # Lock time 13ms 0 133us 68us 103us 23us 69us
>> # Rows sent 430.89k 0 17.58k 2.21k 12.50k 3.96k 49.17
>> # Rows examine 32.30M 0 466.46k 169.63k 440.37k 186.02k 117.95k
>> # Query size 65.45k 6 577 343.70 563.87 171.06 246.02
>>
>> In the logs output :
>> # Query_time: 488.031783 Lock_time: 0.000041 Rows_sent: 50
>> Rows_examined: 471150
>> SET timestamp=1346655789;
>> SELECT t0.id, t0.app_name, t0.status, t0.run, t0.user_name,
>> t0.group_name, t0.created_time, t0.start_time, t0.last_modified_time,
>> t0.end_time, t0.external_id FROM WF_1 t0 WHERE t0.bean_type = 'Workflow'
>> ORDER BY t0.created_time DESC LIMIT 0, 50;
>>
>> The table is near about 30 GB and growing day by day.
>>
>
> Just out curiosity, is that table too fragmented? 471k rows are quite a
> lot, but 488 of query time is insane. Seems you're reading from disk too
> much!
>
>
>>
>> Attaching the table definition & indexes output. I have a index on bean
>> type column but cann't understand why it
>> examined the all rows of table.
>>
>
> Where's the table's schema so we can give it a try?
>
> Manu
>
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