A possible way to improve the performance of MainStage
Some of you may know that I haven't bothered much with MainStage and Logic recently having had a lot of grief with them over the last year.
However, I just discovered some articles written about OS X memory management and the positive impact of disabling the dynamic paging system on a Mac (meaning no more virtual memory). It seems to be the case that disabling dynamic paging is improving the general responsiveness of a Mac very significantly. While some are claiming that it's only good for Snow Leopard, others are saying it works with Lion as well. My experience is that it indeed works well.
Here's a link to an article that talks about the issue and describes how to disable paging. Mileage may vary but I think it might be worthwhile for those who have reported problems with MS and Logic due to overloads to try it out.
Here's where I first found out about it
http://workstuff.tumblr.com/post/20464780085/something-is-deeply-broken-in-os-x- memory-management
and here's a discussion in MacWorld about it
http://hints.macworld.com/article.php?story=201106020948369
I'd be very interested to know how it goes.
D
Hi there,
Thank you for your response. I thought there's no answer for this issue and planning to change it to ALV.
I looked at the codes and debugged it. After the select statement from ZZUWT table (customized), there's a loop that takes much time (10-12mins) for 1000 records. and several nested perform routines. It's a standard program so I'm hesitant to edit it.
I'll be checking on the primary keys. If it's ok, may I ask for your assistance in this part? Though I'm not that familiar and haven't tried creating a report painter before.
Thanks anyway...:D
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Hi gurus,
Is there a way to improve the performance of a report group?
Points will be given later....
Thanks!Hi there,
Thank you for your response. I thought there's no answer for this issue and planning to change it to ALV.
I looked at the codes and debugged it. After the select statement from ZZUWT table (customized), there's a loop that takes much time (10-12mins) for 1000 records. and several nested perform routines. It's a standard program so I'm hesitant to edit it.
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Is There any way to improve the performance on this code
Hi all can any one tell me how to improve the performance of this below code.
Actually i need to calculate opening balance of gl account so instead of using bseg am using bsis
So is there any way to improve this code performance.
Any help would be appreciated.
REPORT ZTEMP5 NO STANDARD PAGE HEADING LINE-SIZE 190.
data: begin of collect occurs 0,
MONAT TYPE MONAT,
HKONT TYPE HKONT,
BELNR TYPE BELNR_D,
BUDAT TYPE BUDAT,
WRBTR TYPE WRBTR,
SHKZG TYPE SHKZG,
SGTXT TYPE SGTXT,
AUFNR TYPE AUFNR_NEU,
TOT LIKE BSIS-WRBTR,
end of collect.
TYPES: BEGIN OF TY_BSIS,
MONAT TYPE MONAT,
HKONT TYPE HKONT,
BELNR TYPE BELNR_D,
BUDAT TYPE BUDAT,
WRBTR TYPE WRBTR,
SHKZG TYPE SHKZG,
SGTXT TYPE SGTXT,
AUFNR TYPE AUFNR_NEU,
END OF TY_BSIS.
DATA: IT_BSIS TYPE TABLE OF TY_BSIS,
WA_BSIS TYPE TY_BSIS.
DATA: TOT TYPE WRBTR,
SUMA TYPE WRBTR,
VALUE TYPE WRBTR,
VALUE1 TYPE WRBTR.
SELECTION-SCREEN: BEGIN OF BLOCK B1.
PARAMETERS: S_HKONT LIKE WA_BSIS-HKONT DEFAULT '0001460002' .
SELECT-OPTIONS: S_BUDAT FOR WA_BSIS-BUDAT,
S_AUFNR FOR WA_BSIS-AUFNR DEFAULT '200020',
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SELECTION-SCREEN: END OF BLOCK B1.
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
IF SCREEN-NAME = 'S_HKONT'.
SCREEN-INPUT = 0.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
START-OF-SELECTION.
SELECT MONAT
HKONT
BELNR
BUDAT
WRBTR
SHKZG
SGTXT
AUFNR
FROM BSIS
INTO TABLE IT_BSIS
WHERE HKONT EQ S_HKONT
AND BELNR IN S_BELNR
AND BUDAT IN S_BUDAT
AND AUFNR IN S_AUFNR.
* if sy-subrc <> 0.
* message 'No Data' type 'I'.
* endif.
SELECT SUM( WRBTR )
FROM BSIS
INTO COLLECT-TOT
WHERE HKONT EQ S_HKONT
AND BUDAT < S_BUDAT-LOW
AND AUFNR IN S_AUFNR.
END-OF-SELECTION.
CLEAR: S_BUDAT, S_AUFNR, S_BELNR, S_HKONT.
LOOP AT IT_BSIS INTO WA_BSIS.
IF wa_bsis-SHKZG = 'H'.
wa_bsis-WRBTR = 0 - wa_bsis-WRBTR.
ENDIF.
collect-MONAT = wa_bsis-monat.
collect-HKONT = wa_bsis-hkont.
collect-BELNR = wa_bsis-belnr.
collect-BUDAT = wa_bsis-budat.
collect-WRBTR = wa_bsis-wrbtr.
collect-SHKZG = wa_bsis-shkzg.
collect-SGTXT = wa_bsis-sgtxt.
collect-AUFNR = wa_bsis-aufnr.
collect collect into collect.
CLEAR: COLLECT, WA_BSIS.
ENDLOOP.
LOOP AT COLLECT.
AT end of HKONT.
WRITE:/65 'OpeningBalance',
85 collect-tot.
skip 1.
ENDAT.
WRITE:/06 COLLECT-BELNR,
22 COLLECT-BUDAT,
32 COLLECT-WRBTR,
54 COLLECT-SGTXT.
AT end of MONAT.
SUM.
WRITE:/ COLLECT-MONAT COLOR 1.
WRITE:32 COLLECT-WRBTR COLOR 1.
VALUE = COLLECT-WRBTR.
SKIP 1.
ENDAT.
VALUE1 = COLLECT-TOT + VALUE.
AT end of MONAT.
WRITE:85 VALUE1.
ENDAT.
endloop.
CLEAR: COLLECT, SUMA, VALUE, VALUE1.
TOP-OF-PAGE.
WRITE:/06 'Doc No',
22 'Post Date',
39 'Amount',
54 'Text'.
Moderator message : See the Sticky threads (related for performance tuning) in this forum. Thread locked.
Edited by: Vinod Kumar on Oct 13, 2011 11:12 AMHi Ben,
both BSIS selects would become faster if you can add Company Code BUKRS as 1st field of WHERE clause, because it's the 1st field of primary key and HKONT is the 2nd field of primary key.
If you have no table index with HKONT as 1st field it's a full database access.
If possible, try to add BUKRS as 1st field of WHERE clause, otherwise ask for an additional BSIS index at your basis team.
Regards,
Klaus -
Ways to improve the performance of my query?
Hi all,
I have created a multi provider which enables to fetch the data from 3 ods. And each ods contains huge amount of data. As a result my query performance is very slow..
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thanxs
harithaHaritha,
If you still need more info, just have a look below:
There are few ways your queries can be improved:
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5. OLAPCHACHE
6. Calculation formula
etc.
and also you can go thru the links below:
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/cccad390-0201-0010-5093-fd9ec8157802
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ce7fb368-0601-0010-64ba-fadc985a1f94
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/c8c4d794-0501-0010-a693-918a17e663cc
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****Assign Points*******
Gattu -
How can we improve the performance while fetching data from RESB table.
Hi All,
Can any bosy suggest me the right way to improve the performance while fetching data from RESB table. Below is the select statement.
SELECT aufnr posnr roms1 roanz
INTO (itab-aufnr, itab-pposnr, itab-roms1, itab-roanz)
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AND ablad = itab-sposnr+2.
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Regards,
HimanshuHi ,
Declare intenal table with only those four fields.
and try the beloe code....
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FROM resb
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5000 records is much to much. Xcelsius is designed for highly aggregated small data sets.
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Thanksuser1096084 wrote:
Hi All,
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Help to improve the performance of a procedure.
Hello everybody,
First to introduce myself. My name is Ivan and I recently started learning SQL and PL/SQL. So don't go hard on me. :)
Now let's jump to the problem. What we have there is a table (big one, but we'll need only a few fields) with some information about calls. It is called table1. There is also another one, absolutely the same structure, which is empty and we have to transfer the records from the first one.
The shorter calls (less than 30 minutes) have segmentID = 'C1'.
The longer calls (more than 30 minutes) are recorded as more than one record (1 for every 30 minutes). The first record (first 30 minutes of the call) has segmentID = 'C21'. It is the first so we have only one of these for every different call. Then we have the next (middle) parts of the call, which have segmentID = 'C22'. We can have more than 1 middle part and again the maximum minutes in each is 30 minutes. Then we have the last part (again max 30 minutes) with segmentID = 'C23'. As with the first one we can have only one last part.
So far, so good. Now we need to insert these call records into the second table. The C1 are easy - one record = one call. But the partial ones we need to combine so they become one whole call. This means that we have to take one of the first parts (C21), find if there is a middle part (C22) with the same calling/called numbers and with 30 minutes difference in date/time, then search again if there is another C22 and so on. And last we have to search for the last part of the call (C23). In the course of these searches we sum the duration of each part so we can have the duration of the whole call at the end. Then we are ready to insert it in the new table as a single record, just with new duration.
But here comes the problem with my code... The table has A LOT of records and this solution, despite the fact that it works (at least in the tests I've made so far), it's REALLY slow.
As I said I'm new to PL/SQL and I know that this solution is really newbish, but I can't find another way of doing this.
So I decided to come here and ask you for some tips on how to improve the performance of this.
I think you are getting confused already, so I'm just going to put some comments in the code.
I know it's not a procedure as it stands now, but it will be once I create a better code. I don't think it matters for now.
DECLARE
CURSOR cur_c21 IS
select * from table1
where segmentID = 'C21'
order by start_date_of_call; // in start_date_of_call is located the beginning of a specific part of the call. It's date format.
CURSOR cur_c22 IS
select * from table1
where segmentID = 'C22'
order by start_date_of_call;
CURSOR cur_c22_2 IS
select * from table1
where segmentID = 'C22'
order by start_date_of_call;
cursor cur_c23 is
select * from table1
where segmentID = 'C23'
order by start_date_of_call;
v_temp_rec_c22 cur_c22%ROWTYPE;
v_dur table1.duration%TYPE; // using this for storage of the duration of the call. It's number.
BEGIN
insert into table2
select * from table1 where segmentID = 'C1'; // inserting the calls which are less than 30 minutes long
-- and here starts the mess
FOR rec_c21 IN cur_c21 LOOP // taking the first part of the call
v_dur := rec_c21.duration; // recording it's duration
FOR rec_c22 IN cur_c22 LOOP // starting to check if there is a middle part for the call
IF rec_c22.callingnumber = rec_c21.callingnumber AND rec_c22.callednumber = rec_c21.callednumber AND
(rec_c22.start_date_of_call - rec_c21.start_date_of_call) = (1/48)
/* if the numbers are the same and the date difference is 30 minutes then we have a middle part and we start searching for the next middle. */
THEN
v_dur := v_dur + rec_c22.duration; // updating the new duration
v_temp_rec_c22:=rec_c22; // recording the current record in another variable because I use it for the next check
FOR rec_c22_2 in cur_c22_2 LOOP
IF rec_c22_2.callingnumber = v_temp_rec_c22.callingnumber AND rec_c22_2.callednumber = v_temp_rec_c22.callednumber AND
(rec_c22_2.start_date_of_call - v_temp_rec_c22.start_date_of_call) = (1/48)
/* logic is the same as before but comparing with the last value in v_temp...
And because the data in the cursors is ordered by date in ascending order it's easy to search for another middle parts. */
THEN
v_dur:=v_dur + rec_c22_2.duration;
v_temp_rec_c22:=rec_c22_2;
END IF;
END LOOP;
END IF;
EXIT WHEN rec_c22.callingnumber = rec_c21.callingnumber AND rec_c22.callednumber = rec_c21.callednumber AND
(rec_c22.start_date_of_call - rec_c21.start_date_of_call) = (1/48);
/* exiting the loop if we have at least one middle part.
(I couldn't find if there is a way to write this more clean, like exit when (the above if is true) */
END LOOP;
FOR rec_c23 IN cur_c23 LOOP
IF (rec_c23.callingnumber = rec_c21.callingnumber AND rec_c23.callednumber = rec_c21.callednumber AND
(rec_c23.start_date_of_call - rec_c21.start_date_of_call) = (1/48)) OR v_dur != rec_c21.duration
/* we should always have one last part, so we need this check.
If we don't have the "v_dur != rec_c21.duration" part it will execute the code inside only if we don't have middle parts
(yes we can have these situations in calls longer than 30 and less than 60 minutes). */
THEN
v_dur:=v_dur + rec_c23.duration;
rec_c21.duration:=v_dur; // updating the duration
rec_c21.segmentID :='C1';
INSERT INTO table2 VALUES rec_c21; // inserting the whole call in table2
END IF;
EXIT WHEN (rec_c23.callingnumber = rec_c21.callingnumber AND rec_c23.callednumber = rec_c21.callednumber AND
(rec_c23.start_date_of_call - rec_c21.start_date_of_call) = (1/48)) OR v_dur != rec_c21.duration;
// exit the loop when the last part has been found.
END LOOP;
END LOOP;
END;I'm using Oracle 11g and version 1.5.5 of SQL Developer.
It's my first post here so hope this is the right sub-forum.
I tried to explain everything as deep as possible (sorry if it's too long) and I kinda think that the code got somehow hard to read with all these comments. If you want I can remove them.
I know I'm still missing a lot of knowledge so every help is really appreciated.
Thank you very much in advance!Atiel wrote:
Thanks for the suggestion but the thing is that segmentID must stay the same for all. The data in this field is just to tell us if this is a record of complete call (C1) or a partial record of a call(C21, C22, C23). So in table2 as every record will be a complete call the segmentID must be C1 for all.Well that's not a problem. You just hard code 'C1' instead of applying the row number as I was doing:
SQL> ed
Wrote file afiedt.buf
1 select 'C1' as segmentid
2 ,start_date_of_call, duration, callingnumber, callednumber
3 from (
4 select distinct
5 min(start_date_of_call) over (partition by callingnumber, callednumber) as start_date_of_call
6 ,sum(duration) over (partition by callingnumber, callednumber) as duration
7 ,callingnumber
8 ,callednumber
9 from table1
10* )
SQL> /
SEGMENTID START_DATE_OF_CALL DURATION CALLINGNUMBER CALLEDNUMBER
C1 11-MAY-2012 12:13:10 8020557824 1982032041 0631432831624
C1 15-MAR-2012 09:07:26 269352960 5581790386 0113496771567
C1 31-JUL-2012 23:20:23 134676480 4799842978 0813391427349
Another thing is that, as I said above, the actual table has 120 fields. Do I have to list them all manually if I use something similar?If that's what you need, then yes you would have to list them. You only get data if you tell it you want it. ;)
Of course if you are taking the start_date_of_call, callingnumber and callednumber as the 'key' to the record, then you could join the results of the above back to the original table1 and pull out the rest of the columns that way...
SQL> select * from table1;
SEGMENTID START_DATE_OF_CALL DURATION CALLINGNUMBER CALLEDNUMBER COL1 COL2 COL3
C1 31-JUL-2012 23:20:23 134676480 4799842978 0813391427349 556 40 5.32
C21 15-MAR-2012 09:07:26 134676480 5581790386 0113496771567 219 100 10.16
C23 11-MAY-2012 09:37:26 134676480 5581790386 0113496771567 321 73 2.71
C21 11-MAY-2012 12:13:10 3892379648 1982032041 0631432831624 959 80 2.87
C22 11-MAY-2012 12:43:10 3892379648 1982032041 0631432831624 375 57 8.91
C22 11-MAY-2012 13:13:10 117899264 1982032041 0631432831624 778 27 1.42
C23 11-MAY-2012 13:43:10 117899264 1982032041 0631432831624 308 97 3.26
7 rows selected.
SQL> ed
Wrote file afiedt.buf
1 with t2 as (
2 select 'C1' as segmentid
3 ,start_date_of_call, duration, callingnumber, callednumber
4 from (
5 select distinct
6 min(start_date_of_call) over (partition by callingnumber, callednumber) as start_date_of_call
7 ,sum(duration) over (partition by callingnumber, callednumber) as duration
8 ,callingnumber
9 ,callednumber
10 from table1
11 )
12 )
13 --
14 select t2.segmentid, t2.start_date_of_call, t2.duration, t2.callingnumber, t2.callednumber
15 ,t1.col1, t1.col2, t1.col3
16 from t2
17 join table1 t1 on ( t1.start_date_of_call = t2.start_date_of_call
18 and t1.callingnumber = t2.callingnumber
19 and t1.callednumber = t2.callednumber
20* )
SQL> /
SEGMENTID START_DATE_OF_CALL DURATION CALLINGNUMBER CALLEDNUMBER COL1 COL2 COL3
C1 11-MAY-2012 12:13:10 8020557824 1982032041 0631432831624 959 80 2.87
C1 15-MAR-2012 09:07:26 269352960 5581790386 0113496771567 219 100 10.16
C1 31-JUL-2012 23:20:23 134676480 4799842978 0813391427349 556 40 5.32
SQL>Of course this is pulling back the additional columns for the record that matches the start_date_of_call for that calling/called number pair, so if the values differed from row to row within the calling/called number pair you may need to aggregate those (take the minimum/maximum etc. as required) as part of the first query. If the values are known to be the same across all records in the group then you can just pick them up from the join to the original table as I coded in the above example (only in my example the data was different across all rows). -
How to improve the performance of the FACT load
Hi Team,
We have 13 Dimension tables and 1 fact table. I've designed the fact job in the both the ways(by joining all the Dimension table and fetch SK values and by lookup all the dimension table and fetch SK values) but both are taking so much of time to load (for 36million records its took around 7 hours to complete) pls provide me some tips to improve the performance of fact load..The logic which am using is simple upsert logic
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Hi BW Guru's,
I have unresolved issue and our team is still working on it.
I have already posted several questions on this but not clear on how to reduce the time on Rollup of Aggregates process.
I have requested for OSS note and searching myself but still could not found.
Finally i have executed one of the cube in RSRV with the database selection
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ORACLE: Index /BI0/IACCOUNT~0 has possibly degenerated
ORACLE: Index /BI0/IPROFIT_CTR~0 has possibly degenerated
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ORACLE: Index /BIC/SGMAPGP1~0 has possibly degenerated
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every time i use to create index and statistics regularly to improve the performance it will work for couple of days and again the performance of the rollup of aggregates come down gradually.
Thanks and Regards,
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check in a sql client the sql created by Bi and the query that you use directy from your physical layer...
The time between these 2 must be 2-3 seconds,otherwise you have problems.(these seconds are for scripts that needed by Bi)
If you use "like" in your sql then forget indexes....
For more informations about indexes check google or your Dba .
Last, i mentioned that materialize view is not perfect,it help a lot..so why not try to split it to smaller ones....
ex...
logiacal dimensions
year-half-day
company-department
fact
quantity
instead of making one...make 3,
year - department - quantity
half - department - quantity
day - department - quantity
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Do you use partioning functionality???
i hope i helped....
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How to improve the performance of adobe forms
Hi,
Please give me some suggestions as to how to improve the performance of adobe form?
Right now when I' am doing user events it is working fine for first 6 or 7 user events. From the next
one it is hanging.
I read about Wizard form design approach, how to use the same here.
Thanks,
AravindHi Otto,
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User events will doa round trip, in which form data will be sent to backend SAP system. Processing will
happen on the ABAP side and result will appear on the form. First 6 or 7 user events works correctly,
the result is appearing on the form. Around 8 or 9th one, the wait symbol appears and the form is not
re-rendered. The form is of size 6 pages. The issue is not coming with form of size 1 page.
I was reading ways to improve performance during re-rendering given below.
http://www.adobe.com/devnet/livecycle/articles/DynamicInteractiveFormPerformance.pdf
It talks about wizard form design approach. But in SFP transaction, I am not seeing any kind of wizard.
Let me know if you need further details.
Thanks,
Aravind
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