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IDS Forum

Re: IDS 12.10 - Query Slow

Posted By: Art Kagel
Date: Thursday, 10 November 2016, at 11:34 a.m.

In Response To: Re: IDS 12.10 - Query Slow (MOHD FADZIL JUSOH)

These numbers look OK. I do notice that you are not using DIRECT_IO which
might improve performance. How many AIO VPs do you have? Post the output
from onstat -g iov so we can see how the AIO VPs are performing.

Art

Art S. Kagel, President and Principal Consultant
ASK Database Management
www.askdbmgt.com

Blog: http://informix-myview.blogspot.com/

Disclaimer: Please keep in mind that my own opinions are my own opinions
and do not reflect on the IIUG, nor any other organization with which I am
associated either explicitly, implicitly, or by inference. Neither do
those opinions reflect those of other individuals affiliated with any
entity with which I am affiliated nor those of the entities themselves.

On Thu, Nov 10, 2016 at 9:49 AM, MOHD FADZIL JUSOH <fadzil@isianpadu.com>
wrote:

> Hi,
>
> Set ouput from onstat -g iof, Any clue can get from here. Our informix data
> stored on HP3par storage (raid 10).
>
> IBM Informix Dynamic Server Version 12.10.FC6AEE -- On-Line -- Up 12:10:44
> --
> 12568132 Kbytes
>
> AIO global files:
> gfd pathname bytes read page reads bytes write page writes io/s
> 3 rootdb 66381824 32413 4335616 2116 1000.4
>
> op type count avg. time
>
> seeks 6781 0.0000
>
> reads 6172 0.0010
>
> writes 609 0.0006
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 4 phydbs 374784 183 1275959296 623027 372.9
>
> op type count avg. time
>
> seeks 2465 0.0000
>
> reads 16 0.0019
>
> writes 2449 0.0027
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 5 logdbs 3657684992 1785979 3601643520 1758615 2973.4
>
> op type count avg. time
>
> seeks 750658 0.0000
>
> reads 55794 0.0005
>
> writes 694866 0.0003
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 6 tempdbs1 135933952 66374 390934528 190886 1952.7
>
> op type count avg. time
>
> seeks 16698 0.0000
>
> reads 4490 0.0006
>
> writes 12208 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 7 tempdbs2 236722176 115587 236109824 115288 1848.3
>
> op type count avg. time
>
> seeks 12136 0.0000
>
> reads 4498 0.0006
>
> writes 7638 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 8 tempdbs3 129783808 63371 130551808 63746 1839.3
>
> op type count avg. time
>
> seeks 7991 0.0000
>
> reads 3986 0.0006
>
> writes 4005 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 9 tempdbs4 675790848 329976 178810880 87310 1607.3
>
> op type count avg. time
>
> seeks 10662 0.0000
>
> reads 5057 0.0007
>
> writes 5605 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 10 datadb1 22864973824 11164492 4096 2 646.0
>
> op type count avg. time
>
> seeks 525362 0.0000
>
> reads 525360 0.0015
>
> writes 2 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 11 datadb2 11901730816 5811392 1329152 649 1874.2
>
> op type count avg. time
>
> seeks 184598 0.0000
>
> reads 184551 0.0005
>
> writes 47 0.0006
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 12 datadb3 13818204160 6747033 213063680 104009 981.1
>
> op type count avg. time
>
> seeks 2864471 0.0000
>
> reads 2839332 0.0010
>
> writes 25119 0.0004
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 13 datadb4 21385355264 10442061 33404928 16311 1347.8
>
> op type count avg. time
>
> seeks 723595 0.0000
>
> reads 721981 0.0007
>
> writes 1616 0.0006
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 14 datadb5 11906574336 5813757 1355776 662 1858.9
>
> op type count avg. time
>
> seeks 184673 0.0000
>
> reads 184625 0.0005
>
> writes 48 0.0009
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 15 datadb6 86321807360 42149296 2887680 1410 714.2
>
> op type count avg. time
>
> seeks 643764 0.0000
>
> reads 643179 0.0014
>
> writes 559 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 16 datadb7 35387031552 17278800 224139264 109432 2439.5
>
> op type count avg. time
>
> seeks 1133251 0.0000
>
> reads 1123923 0.0004
>
> writes 9326 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 17 datadb8 32665298944 15949693 1609101312 785694 2187.9
>
> op type count avg. time
>
> seeks 1079128 0.0000
>
> reads 1029676 0.0005
>
> writes 49455 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 18 idxdbs1 5917722624 2889513 21497856 10497 1040.9
>
> op type count avg. time
>
> seeks 115022 0.0000
>
> reads 111386 0.0010
>
> writes 3636 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 19 idxdbs2 17926295552 8753073 16064512 7843 1398.3
>
> op type count avg. time
>
> seeks 563489 0.0000
>
> reads 558448 0.0007
>
> writes 5038 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 20 idxdbs3 4928724992 2406603 2983936 1456 689.9
>
> op type count avg. time
>
> seeks 261116 0.0000
>
> reads 260011 0.0015
>
> writes 1121 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 21 idxdbs4 11074490368 5407466 151756800 74095 911.6
>
> op type count avg. time
>
> seeks 357505 0.0000
>
> reads 347656 0.0011
>
> writes 9849 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 22 idxdbs21 4671485952 2280999 141312 69 1852.5
>
> op type count avg. time
>
> seeks 72570 0.0000
>
> reads 72521 0.0005
>
> writes 49 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 23 datadb12 4573970432 2233384 5255168 2566 1045.0
>
> op type count avg. time
>
> seeks 78913 0.0000
>
> reads 78749 0.0010
>
> writes 164 0.0009
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 24 idxdbs22 9899546624 4833762 9295872 4539 1888.2
>
> op type count avg. time
>
> seeks 678854 0.0000
>
> reads 676487 0.0005
>
> writes 2366 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 25 datadb61 4554119168 2223686 1101824 538 716.8
>
> op type count avg. time
>
> seeks 83238 0.0000
>
> reads 82905 0.0014
>
> writes 338 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 26 idxdbs31 1090973696 532700 3360768 1641 559.2
>
> op type count avg. time
>
> seeks 62903 0.0000
>
> reads 61986 0.0018
>
> writes 919 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 27 datadb62 25801230336 12598233 101709824 49645 2159.7
>
> op type count avg. time
>
> seeks 2571658 0.0000
>
> reads 2550258 0.0005
>
> writes 21398 0.0004
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 28 datadb71 16124940288 7873490 15937536 7778 2394.5
>
> op type count avg. time
>
> seeks 475715 0.0000
>
> reads 473587 0.0004
>
> writes 2131 0.0004
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 29 datadb9 13065885696 6379825 4251648 2076 1059.3
>
> op type count avg. time
>
> seeks 309285 0.0000
>
> reads 308292 0.0009
>
> writes 996 0.0006
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 30 idxdbs9 15179673600 7411950 22431744 10945 851.4
>
> op type count avg. time
>
> seeks 353725 0.0000
>
> reads 346917 0.0012
>
> writes 6808 0.0005
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 31 datadb22 6144 3 0 0 196.5
>
> op type count avg. time
>
> seeks 3 0.0000
>
> reads 3 0.0051
>
> writes 0 N/A
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 32 datadb52 6144 3 0 0 157.6
>
> op type count avg. time
>
> seeks 3 0.0000
>
> reads 3 0.0063
>
> writes 0 N/A
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 33 datadb63 6144 3 0 0 284.3
>
> op type count avg. time
>
> seeks 3 0.0000
>
> reads 3 0.0035
>
> writes 0 N/A
>
> kaio_reads 0 N/A
>
> kaio_writes 0 N/A
>
> 34 life.1553
>
> Please advice. Can we improve IO? Which configuration need to change?
>
> Thank You
>
>
> ************************************************************
> *******************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--001a114b7e0c6e0e470540f4f336

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