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 <man...@tuenti.com> wrote: > > > 2012/9/5 Adarsh Sharma <eddy.ada...@gmail.com> > >> 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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