How to fine-tune KM Navgation iView

Hi Experts,
We have 6-7 KM navigation iviews on the homepage, all rendering xml news from different folders of KM.
Now we have discovered that the maximum time of page loading is occupied by these navigation iviews(If we make these navigation iviews invisible, then the loading time is almost half).
Please suggest some ways to tune these Navigation iviews so that the load time of homepage should be less.
Thanks,
Ankit

Hi Ankit
This is a classic issue - the performance for the KM Navigation Iview is very poor, and I would never suggest you to put more 2-3 KM Nav Iviews on the same page. And I would not recommend you to put any KM Nav Iviews on a frontpage or any other important or content-heavy page.
You have the following options:
1) Limit the number of KM Nav Iviews on the page in question.
2) Set Cache Level to Shared (server side caching) even though this feature is not working consistently in the SAP Portal.
3) Configure the search iview (search component set and search options set) according to the Last10Documents scenario: http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/45bcc1c0-0d01-0010-1094-fe7993416ea6
4) Contact a developer and let him code a servlet used to render pure html according to your needs. Show him this introduction: http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/3059b588-e19b-2910-7d8f-9b689a066e3c
Best regards,
Martin Søgaard

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I need to fine tune a query

Hi All,
I need to fine tune my select query . I am giving a sample query which is model of my Query .
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Select a.employee_name,a.employee_age,decode(a.employee_status,'Y','Promoted','Still in Progress'), NVL(b.employee_details , 0),c.department_name from employee a, manager b , department c where a.employee_id =b.employee_id(+) and a.employee_id = c.employee_id(+) and c.department_status in ('Y',A') order by a.employee_joining_date
This is a sample query. In my query which should be fine tune has lot of decode and nvl functions. This query is passed to oracle as string from Java .It takes 2 seconds but it should be taking only fraction of seconds..
What shall i do?
Shall i create materialise views or a function in oracle with return value as sys_refucursor to Java code. does function based index should be used in where clause only. If so what should i do to minimise decode and nvl functions.Please help me

>
Select a.employee_name,a.employee_age,decode(a.employee_status,'Y','Promoted','Still in Progress'),
NVL(b.employee_details , 0),c.department_name from employee a, manager b , department c
where a.employee_id =b.employee_id(+) and a.employee_id = c.employee_id(+) and c.department_status
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This is a sample query. In my query which should be fine tune has lot of decode and nvl functions.
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Hi , I would like to ask the expert here..how could i fine tune the below query..now it return data within 60 seconds. however my client require the data should return <5 second
SELECT DECODE (CURR.START_DATE, '', PREV.START_DATE, CURR.START_DATE) START_DATE,
DECODE (CURR.START_HOUR, '', PREV.START_HOUR, CURR.START_HOUR) START_HOUR,
DECODE (CURR.IN_PARTNER, '', PREV.IN_PARTNER, CURR.IN_PARTNER) IN_PARTNER,
DECODE (CURR.OUT_PARTNER, '', PREV.OUT_PARTNER, CURR.OUT_PARTNER) OUT_PARTNER,
DECODE (CURR.SUBSCRIBER_TYPE, '', PREV.SUBSCRIBER_TYPE, CURR.SUBSCRIBER_TYPE) SUBSCRIBER_TYPE,
DECODE (CURR.TRAFFIC_TYPE, '', PREV.TRAFFIC_TYPE, CURR.TRAFFIC_TYPE) TRAFFIC_TYPE,
DECODE (CURR.EVENT_TYPE, '', PREV.EVENT_TYPE, CURR.EVENT_TYPE) EVENT_TYPE,
DECODE (CURR.INTERVAL_PERIOD, '', PREV.INTERVAL_PERIOD, CURR.INTERVAL_PERIOD) INTERVAL_PERIOD,
--DECODE (CURR.THRESHOLD, '', PREV.THRESHOLD, CURR.THRESHOLD) THRESHOLD,
DECODE (CURR.CALLED_NO_GRP, '', PREV.CALLED_NO_GRP, CURR.CALLED_NO_GRP) CALLED_NO_GRP,
SUM (DECODE (CURR.EVENT_COUNT, '', 0, CURR.EVENT_COUNT)) EVENT_COUNT,
--SUM (DECODE (CURR.EVENT_DURATION, '', 0, CURR.EVENT_DURATION)) EVENT_DURATION,
--SUM (DECODE (CURR.DATA_VOLUME, '', 0, CURR.DATA_VOLUME)) DATA_VOLUME,
--AVG (DECODE (CURR.AVERAGE_DURATION, '', 0, CURR.AVERAGE_DURATION)) AVERAGE_DURATION,
SUM (DECODE (PREV.EVENT_COUNT_PREV, '', 0, PREV.EVENT_COUNT_PREV)) EVENT_COUNT_PREV,
--SUM ( DECODE (PREV.EVENT_DURATION_PREV, '', 0, PREV.EVENT_DURATION_PREV)) EVENT_DURATION_PREV,
--SUM (DECODE (PREV.DATA_VOLUME_PREV, '', 0, PREV.DATA_VOLUME_PREV)) DATA_VOLUME_PREV,
--AVG ( DECODE (PREV.AVERAGE_DURATION_PREV, '', 0, PREV.AVERAGE_DURATION_PREV)) AVERAGE_DURATION_PREV,
ABS ( SUM (DECODE (CURR.EVENT_COUNT, '', 0, CURR.EVENT_COUNT)) - SUM ( DECODE (PREV.EVENT_COUNT_PREV, '', 0, PREV.EVENT_COUNT_PREV))) EVENT_COUNT_DIFF
FROM ------------------------------- CURR
(SELECT START_DATE,
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
--rd_thr.param_value THRESHOLD,
rd.param_value INTERVAL_PERIOD,
CALLED_NO_GRP,
--SUM (DATA_VOLUME)                                                                                                                       AS DATA_VOLUME,
--SUM (EVENT_DURATION)                                                                                                                    AS EVENT_DURATION,
--DECODE ( SUM (NVL (EVENT_COUNT / 1000000, 0)), 0, 0, ROUND ( SUM (EVENT_DURATION / 1000000) / SUM (NVL (EVENT_COUNT / 1000000, 0)), 2)) AS AVERAGE_DURATION,
SUM (EVENT_COUNT) AS EVENT_COUNT
FROM MSC_OUT_AGG,
raid_t_parameters rd,
raid_t_parameters rd_min,
raid_t_parameters rd_max,
raid_t_parameters rd_thr
WHERE TRUNC (SYSDATE - TO_DATE (START_DATE, 'YYYYMMDD')) <= rd_min.param_value
AND rd_min.param_id = 'histMD_IN_MSC'
AND rd_min.param_id2 = 'DASHBOARD_THRESHOLD_MIN'
AND rd.param_id = 'histMD_IN_MSC'
AND rd.param_id2 = 'INTERVAL_PERIOD'
AND rd_max.param_id = 'histMD_IN_MSC'
AND rd_max.param_id2 = 'DASHBOARD_THRESHOLD_MAX'
AND rd_thr.param_id = 'histMD_IN_MSC'
AND rd_thr.param_id2 = 'PER_THRESHOLD_W'
AND TO_DATE (START_DATE, 'YYYYMMDD') < SYSDATE - rd_max.param_value
AND SOURCE = 'MD_IN_MSC_HUA'
GROUP BY START_DATE,
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
rd.param_value,
CALLED_NO_GRP,
rd_thr.param_value
) CURR
FULL OUTER JOIN
---------------------------------- PREV --------------------------
SELECT TO_CHAR ( TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD')), 'YYYYMMDD') START_DATE,
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
rd.param_value INTERVAL_PERIOD,
CALLED_NO_GRP,
--rd_thr.param_value THRESHOLD,
SUM (EVENT_COUNT) AS EVENT_COUNT_PREV
--SUM (EVENT_DURATION)                                                                                                                    AS EVENT_DURATION_PREV,
--DECODE ( SUM (NVL (EVENT_COUNT / 1000000, 0)), 0, 0, ROUND ( SUM (EVENT_DURATION / 1000000) / SUM (NVL (EVENT_COUNT / 1000000, 0)), 2)) AS AVERAGE_DURATION_PREV,
--SUM (DATA_VOLUME)                                                                                                                       AS DATA_VOLUME_PREV
FROM MSC_OUT_AGG,
raid_t_parameters rd,
raid_t_parameters rd_min,
raid_t_parameters rd_max,
raid_t_parameters rd_thr
WHERE TRUNC ( SYSDATE - TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD'))) <= rd_min.param_value
AND rd.param_id = 'histMD_IN_MSC'
AND rd.param_id2 = 'INTERVAL_PERIOD'
AND rd_min.param_id = 'histMD_IN_MSC'
AND rd_min.param_id2 = 'DASHBOARD_THRESHOLD_MIN'
AND rd_max.param_id = 'histMD_IN_MSC'
AND rd_max.param_id2 = 'DASHBOARD_THRESHOLD_MAX'
AND rd_thr.param_id = 'histMD_IN_MSC'
AND rd_thr.param_id2 = 'PER_THRESHOLD_W'
AND TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD')) < SYSDATE - rd_max.param_value
AND SOURCE = 'MD_IN_MSC_HUA'
GROUP BY TO_CHAR ( TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD')), 'YYYYMMDD'),
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
rd.param_value,
CALLED_NO_GRP,
rd_thr.param_value
) PREV
-------------------------- join ------------------
ON ( CURR.START_DATE = PREV.START_DATE
AND CURR.START_HOUR = PREV.START_HOUR
AND CURR.IN_PARTNER = PREV.IN_PARTNER
AND CURR.OUT_PARTNER = PREV.OUT_PARTNER
AND CURR.SUBSCRIBER_TYPE = PREV.SUBSCRIBER_TYPE
AND CURR.TRAFFIC_TYPE = PREV.TRAFFIC_TYPE
AND CURR.INTERVAL_PERIOD = PREV.INTERVAL_PERIOD
--AND CURR.THRESHOLD        = PREV.THRESHOLD
AND CURR.EVENT_TYPE = PREV.EVENT_TYPE
AND CURR.CALLED_NO_GRP = PREV.CALLED_NO_GRP)
GROUP BY DECODE (CURR.START_DATE, '', PREV.START_DATE, CURR.START_DATE),
DECODE (CURR.START_HOUR, '', PREV.START_HOUR, CURR.START_HOUR),
DECODE (CURR.IN_PARTNER, '', PREV.IN_PARTNER, CURR.IN_PARTNER),
DECODE (CURR.OUT_PARTNER, '', PREV.OUT_PARTNER, CURR.OUT_PARTNER),
DECODE (CURR.SUBSCRIBER_TYPE, '', PREV.SUBSCRIBER_TYPE, CURR.SUBSCRIBER_TYPE),
DECODE (CURR.TRAFFIC_TYPE, '', PREV.TRAFFIC_TYPE, CURR.TRAFFIC_TYPE),
DECODE (CURR.INTERVAL_PERIOD, '', PREV.INTERVAL_PERIOD, CURR.INTERVAL_PERIOD),
--DECODE (CURR.THRESHOLD, '', PREV.THRESHOLD, CURR.THRESHOLD),
DECODE (CURR.EVENT_TYPE, '', PREV.EVENT_TYPE, CURR.EVENT_TYPE),
DECODE (CURR.CALLED_NO_GRP, '', PREV.CALLED_NO_GRP, CURR.CALLED_NO_GRP);
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

I changed to query as below, however the performance not much difference compare to original
WITH CURR AS
SELECT /*+ MATERIALIZE */ START_DATE,
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
--rd_thr.param_value THRESHOLD,
rd.param_value INTERVAL_PERIOD,
CALLED_NO_GRP,
--SUM (DATA_VOLUME)                                                                                                                       AS DATA_VOLUME,
--SUM (EVENT_DURATION)                                                                                                                    AS EVENT_DURATION,
--DECODE ( SUM (NVL (EVENT_COUNT / 1000000, 0)), 0, 0, ROUND ( SUM (EVENT_DURATION / 1000000) / SUM (NVL (EVENT_COUNT / 1000000, 0)), 2)) AS AVERAGE_DURATION,
SUM (EVENT_COUNT) AS EVENT_COUNT
FROM MSC_OUT_AGG,
raid_t_parameters rd,
raid_t_parameters rd_min,
raid_t_parameters rd_max,
raid_t_parameters rd_thr
WHERE TRUNC (SYSDATE - TO_DATE (START_DATE, 'YYYYMMDD')) <= rd_min.param_value
AND rd_min.param_id = 'histMD_IN_MSC'
AND rd_min.param_id2 = 'DASHBOARD_THRESHOLD_MIN'
AND rd.param_id = 'histMD_IN_MSC'
AND rd.param_id2 = 'INTERVAL_PERIOD'
AND rd_max.param_id = 'histMD_IN_MSC'
AND rd_max.param_id2 = 'DASHBOARD_THRESHOLD_MAX'
AND rd_thr.param_id = 'histMD_IN_MSC'
AND rd_thr.param_id2 = 'PER_THRESHOLD_W'
AND TO_DATE (START_DATE, 'YYYYMMDD') < SYSDATE - rd_max.param_value
AND SOURCE = 'MD_IN_MSC_HUA'
GROUP BY START_DATE,
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
rd.param_value,
CALLED_NO_GRP,
rd_thr.param_value
), PREV AS
SELECT /*+ MATERIALIZE */ TO_CHAR ( TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD')), 'YYYYMMDD') START_DATE,
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
rd.param_value INTERVAL_PERIOD,
CALLED_NO_GRP,
--rd_thr.param_value THRESHOLD,
SUM (EVENT_COUNT) AS EVENT_COUNT_PREV
--SUM (EVENT_DURATION)                                                                                                                    AS EVENT_DURATION_PREV,
--DECODE ( SUM (NVL (EVENT_COUNT / 1000000, 0)), 0, 0, ROUND ( SUM (EVENT_DURATION / 1000000) / SUM (NVL (EVENT_COUNT / 1000000, 0)), 2)) AS AVERAGE_DURATION_PREV,
--SUM (DATA_VOLUME)                                                                                                                       AS DATA_VOLUME_PREV
FROM MSC_OUT_AGG,
raid_t_parameters rd,
raid_t_parameters rd_min,
raid_t_parameters rd_max,
raid_t_parameters rd_thr
WHERE TRUNC ( SYSDATE - TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD'))) <= rd_min.param_value
AND rd.param_id = 'histMD_IN_MSC'
AND rd.param_id2 = 'INTERVAL_PERIOD'
AND rd_min.param_id = 'histMD_IN_MSC'
AND rd_min.param_id2 = 'DASHBOARD_THRESHOLD_MIN'
AND rd_max.param_id = 'histMD_IN_MSC'
AND rd_max.param_id2 = 'DASHBOARD_THRESHOLD_MAX'
AND rd_thr.param_id = 'histMD_IN_MSC'
AND rd_thr.param_id2 = 'PER_THRESHOLD_W'
AND TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD')) < SYSDATE - rd_max.param_value
AND SOURCE = 'MD_IN_MSC_HUA'
GROUP BY TO_CHAR ( TRUNC ( rd.param_value + TO_DATE (START_DATE, 'YYYYMMDD')), 'YYYYMMDD'),
START_HOUR,
IN_PARTNER,
OUT_PARTNER,
SUBSCRIBER_TYPE,
TRAFFIC_TYPE,
EVENT_TYPE,
rd.param_value,
CALLED_NO_GRP,
rd_thr.param_value
SELECT /*+ USE_HASH(T1 T2) */ DECODE (CURR.START_DATE, '', PREV.START_DATE, CURR.START_DATE) START_DATE,
DECODE (CURR.START_HOUR, '', PREV.START_HOUR, CURR.START_HOUR) START_HOUR,
DECODE (CURR.IN_PARTNER, '', PREV.IN_PARTNER, CURR.IN_PARTNER) IN_PARTNER,
DECODE (CURR.OUT_PARTNER, '', PREV.OUT_PARTNER, CURR.OUT_PARTNER) OUT_PARTNER,
DECODE (CURR.SUBSCRIBER_TYPE, '', PREV.SUBSCRIBER_TYPE, CURR.SUBSCRIBER_TYPE) SUBSCRIBER_TYPE,
DECODE (CURR.TRAFFIC_TYPE, '', PREV.TRAFFIC_TYPE, CURR.TRAFFIC_TYPE) TRAFFIC_TYPE,
DECODE (CURR.EVENT_TYPE, '', PREV.EVENT_TYPE, CURR.EVENT_TYPE) EVENT_TYPE,
DECODE (CURR.INTERVAL_PERIOD, '', PREV.INTERVAL_PERIOD, CURR.INTERVAL_PERIOD) INTERVAL_PERIOD,
--DECODE (CURR.THRESHOLD, '', PREV.THRESHOLD, CURR.THRESHOLD) THRESHOLD,
DECODE (CURR.CALLED_NO_GRP, '', PREV.CALLED_NO_GRP, CURR.CALLED_NO_GRP) CALLED_NO_GRP,
SUM (DECODE (CURR.EVENT_COUNT, '', 0, CURR.EVENT_COUNT)) EVENT_COUNT,
--SUM (DECODE (CURR.EVENT_DURATION, '', 0, CURR.EVENT_DURATION)) EVENT_DURATION,
--SUM (DECODE (CURR.DATA_VOLUME, '', 0, CURR.DATA_VOLUME)) DATA_VOLUME,
--AVG (DECODE (CURR.AVERAGE_DURATION, '', 0, CURR.AVERAGE_DURATION)) AVERAGE_DURATION,
SUM (DECODE (PREV.EVENT_COUNT_PREV, '', 0, PREV.EVENT_COUNT_PREV)) EVENT_COUNT_PREV,
--SUM ( DECODE (PREV.EVENT_DURATION_PREV, '', 0, PREV.EVENT_DURATION_PREV)) EVENT_DURATION_PREV,
--SUM (DECODE (PREV.DATA_VOLUME_PREV, '', 0, PREV.DATA_VOLUME_PREV)) DATA_VOLUME_PREV,
--AVG ( DECODE (PREV.AVERAGE_DURATION_PREV, '', 0, PREV.AVERAGE_DURATION_PREV)) AVERAGE_DURATION_PREV,
ABS ( SUM (DECODE (CURR.EVENT_COUNT, '', 0, CURR.EVENT_COUNT)) - SUM ( DECODE (PREV.EVENT_COUNT_PREV, '', 0, PREV.EVENT_COUNT_PREV))) EVENT_COUNT_DIFF
FROM CURR
FULL OUTER JOIN
PREV
ON ( CURR.START_DATE = PREV.START_DATE
AND CURR.START_HOUR = PREV.START_HOUR
AND CURR.IN_PARTNER = PREV.IN_PARTNER
AND CURR.OUT_PARTNER = PREV.OUT_PARTNER
AND CURR.SUBSCRIBER_TYPE = PREV.SUBSCRIBER_TYPE
AND CURR.TRAFFIC_TYPE = PREV.TRAFFIC_TYPE
AND CURR.INTERVAL_PERIOD = PREV.INTERVAL_PERIOD
--AND CURR.THRESHOLD           = PREV.THRESHOLD
AND CURR.EVENT_TYPE = PREV.EVENT_TYPE
AND CURR.CALLED_NO_GRP = PREV.CALLED_NO_GRP)
GROUP BY DECODE (CURR.START_DATE, '', PREV.START_DATE, CURR.START_DATE),
DECODE (CURR.START_HOUR, '', PREV.START_HOUR, CURR.START_HOUR),
DECODE (CURR.IN_PARTNER, '', PREV.IN_PARTNER, CURR.IN_PARTNER),
DECODE (CURR.OUT_PARTNER, '', PREV.OUT_PARTNER, CURR.OUT_PARTNER),
DECODE (CURR.SUBSCRIBER_TYPE, '', PREV.SUBSCRIBER_TYPE, CURR.SUBSCRIBER_TYPE),
DECODE (CURR.TRAFFIC_TYPE, '', PREV.TRAFFIC_TYPE, CURR.TRAFFIC_TYPE),
DECODE (CURR.INTERVAL_PERIOD, '', PREV.INTERVAL_PERIOD, CURR.INTERVAL_PERIOD),
--DECODE (CURR.THRESHOLD, '', PREV.THRESHOLD, CURR.THRESHOLD),
DECODE (CURR.EVENT_TYPE, '', PREV.EVENT_TYPE, CURR.EVENT_TYPE),
DECODE (CURR.CALLED_NO_GRP, '', PREV.CALLED_NO_GRP, CURR.CALLED_NO_GRP);

Fine Tune

Hi,
How to check our DB is Fine Tune?
what is the meaning of Fine Tune?
Plz ....
reagards

Fine tuning is a term from mechnical engineering. It means making very small adjustments to very particular areas of an engine in the quest for perfect performance. A Formula Racing car is fine-tuned. The average family saloon car is not.
How to check our DB is Fine Tune?If you have to ask it isn't ;)
Cheers, APC

Rowby's Raid Ready to Fine Tune

Well now that I have my raid ready, I'm itching to get CS5 installed.
But I guess that will have to wait until I fine tune the raid.
I've read Harm's articles about deviding the activity but am not exactly sure how to do it -- I have a Raid3. But beyond that I am clueless.
I'll read more of Harm's articles.
But perhaps you have a QUICK START (or a quick start link) so I can go Click click click and then it's all finished and I can install CS5!
Rowby
While I figure out how to do the swap file etc. I installed CS5 and am now downloading the update. I already hacked the video file to include my "unsupported" GTX480 card. Updating the Master Collelction (I don't have the creative collection installed yet). to Premiere CS5 5.0.1 .
So as soon as the CS5 upgrade finishes (about 45 minutes) I'm going to STACK some videos on the timeline. And probably for fun do the benchmark to see how my untweaked system looks.

he motherboard is the main component inside the case. It is a large rectangular board with integrated circuitry that connects the rest of the parts of the computer including the CPU, the RAM, the disk drives (CD, DVD, hard disk, or any others) as well as any peripherals connected via the ports or the expansion slots.
[url=http://www.panamastays.com/Panama-Apartamentos] apartamentos en panama/url]

How to fine-tune KM Navgation iView

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