Performance Issue with RF Scanners after SAP Enhancement Pack 5 Upgrade
We are on component version SAP ECC 6.0, and recently upgraded to Enhancement Pack 5. I believe we are on Net Weaver 7.10, and using RF scanners in one plant that is Warehouse Managed. Evidentially when we moved to EHP5, the Web SAP Console went away and we are left with ITS Mobile. This has created several issues and continues to be a performance barrier for the forklift drivers in the warehouse. We see there is a high use of java script, and the processors canu2019t handle this. When we login to tcode LM00, on a laptop or desktop computer, there are no performance issues. When we login to tcode LM00, with the RF scanners, the system is very slow. It might take 30 seconds to confirm one item on a WM Transfer Order.
1.) Can we revert back to Web SAP Console, after we have upgraded to EHP5?
2.) What is creating the performance issues with the RF Scanners now that we switched over to SAP ITS mobile?
Our RF Scanners are made by Intermec, but I donu2019t think that is where the solution lies. One person in our IT Operations has spent a good deal of time configuring SAPITS to get it to work, but still it isnu2019t performing.
Tom,
I am sorry I did not see this earlier.
I'm currently working on a very similar project with ITS mobile and the problem is to accurately determine the root cause of the problem in the least amount of time. The tool that works is found here: http://www.connectrf.com/index.php/mcm/managed-diagnostics/
Isolating the network from the application and the device is a time consuming process unless you have a piece of software that can trace the HTTP transaction between host and device on both wired and wireless side of the network. Once that is achieved (as with Connect's tool) you can then you can begin to solve the problem.
What I found in my project is that the amount of data traffic generated by ITS mobile can be reduced drastically, which speeds the response time of the mobile devices, especially with large number of devices in distribution centers.
Let me know if I can answer more questions related to this topic.
Cheers,
Shari
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Process: Microsoft Excel [176]
Path: /Applications/Microsoft Office 2004/Microsoft Excel
Identifier: com.microsoft.Excel
Version: 080219 (11.4.1)
Code Type: PPC (Translated)
Parent Process: launchd [83]
Date/Time: 2008-06-03 12:05:11.591 -0400
OS Version: Mac OS X 10.5.3 (9D34)
Report Version: 6
Exception Type: EXCBADACCESS (SIGSEGV)
Exception Codes: KERNINVALIDADDRESS at 0x000000006e646c65
Crashed Thread: 0
Thread 0 Crashed:
0 translate 0xb80bcd58 0xb8000000 + 773464
1 translate 0xb80b7007 0xb8000000 + 749575
2 translate 0xb80d49c0 0xb8000000 + 870848
3 translate 0xb813d75f spinlockwrapper + 4259
Thread 1:
0 ??? 0x800bc4a6 0 + 2148254886
1 ??? 0x800c3c9c 0 + 2148285596
2 translate 0xb818b6ea CallPPCFunctionAtAddressInt + 202886
3 ??? 0x800ed6f5 0 + 2148456181
4 ??? 0x800ed5b2 0 + 2148455858
Thread 2:
0 translate 0xb81529ef spinlockwrapper + 90931
1 translate 0xb8183633 CallPPCFunctionAtAddressInt + 169935
2 translate 0xb81861e2 CallPPCFunctionAtAddressInt + 181118
3 translate 0xb80dfb0b 0xb8000000 + 916235
Thread 3:
0 translate 0xb8152b6b spinlockwrapper + 91311
1 translate 0xb817b608 CallPPCFunctionAtAddressInt + 137124
2 translate 0xb80bdb8b 0xb8000000 + 777099
3 translate 0xb80b7007 0xb8000000 + 749575
4 translate 0xb80d49c0 0xb8000000 + 870848
5 translate 0xb813d75f spinlockwrapper + 4259
Thread 4:
0 translate 0xb8152c24 spinlockwrapper + 91496
1 translate 0xb817b31e CallPPCFunctionAtAddressInt + 136378
2 translate 0xb80bdb8b 0xb8000000 + 777099
3 translate 0xb80b7007 0xb8000000 + 749575
4 translate 0xb80d49c0 0xb8000000 + 870848
5 translate 0xb813d75f spinlockwrapper + 4259
Thread 5:
0 translate 0xb8152863 spinlockwrapper + 90535
1 translate 0xb816e79d CallPPCFunctionAtAddressInt + 84281
2 translate 0xb80bdb8b 0xb8000000 + 777099
3 translate 0xb80b7007 0xb8000000 + 749575
4 translate 0xb80d49c0 0xb8000000 + 870848
5 translate 0xb813ce79 spinlockwrapper + 1981
Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0xb80bcd30 ecx: 0x6e646c65 edx: 0x00000003
edi: 0x6e646c65 esi: 0x80303820 ebp: 0xb7fffa08 esp: 0xb7fff9d0
ss: 0x0000001f efl: 0x00010206 eip: 0xb80bcd58 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
cr2: 0x6e646c65
Binary Images:
0xb8000000 - 0xb81d7fe7 translate ??? (???) /usr/libexec/oah/translate
Translated Code Information:
Rosetta Version: 21.03
Args: /System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp /Applications/Microsoft Office 2004/Microsoft Excel
Exception: EXCBADACCESS (0x0001)
Thread 0: (0xb019ed38, 0xb8152c24)
0x00000000: /System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp : + 0
0x848e1aec: No symbol
0x8484279c: No symbol
0x84842934: No symbol
0x92e1f808: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonC ore.framework/Versions/A/CarbonCore : _PrivateMPEntryPoint + 80
0x92e1f808: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonC ore.framework/Versions/A/CarbonCore : _PrivateMPEntryPoint + 80
0x91819e8c: /usr/lib/libSystem.B.dylib : _pthreadbody + 40
PPC Thread State
srr0: 0x00000000 srr1: 0x00000000 vrsave: 0x00000000
cr: 0xXXXXXXXX xer: 0x00000000 lr: 0x005eeaf0 ctr: 0x91819290
r00: 0x00000193 r01: 0xf0182c20 r02: 0x00000000 r03: 0x00000013
r04: 0xf0182d18 r05: 0x00000098 r06: 0x00000000 r07: 0x00000000
r08: 0x00000000 r09: 0x0022c850 r10: 0x000eb020 r11: 0x0065c124
r12: 0x91819290 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000
r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000000
r24: 0x00000000 r25: 0x00000000 r26: 0x00000000 r27: 0x00000000
r28: 0x00000000 r29: 0xf0182d18 r30: 0xf0182d04 r31: 0xf0182d04
Thread 1: (0xb011cd64, 0xb8152b6b)
0x00000000: /System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp : + 0
0x005ee934: /Applications/Microsoft Office 2004/Office/ShMem.bundle/Contents/MacOS/ShMem : _FWaitForConnection + 48
0x848e1974: No symbol
0x84842388: No symbol
0x8484256c: No symbol
0x92e1f808: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonC ore.framework/Versions/A/CarbonCore : _PrivateMPEntryPoint + 80
0x92e1f808: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonC ore.framework/Versions/A/CarbonCore : _PrivateMPEntryPoint + 80
0x91819e8c: /usr/lib/libSystem.B.dylib : _pthreadbody + 40
PPC Thread State
srr0: 0x00000000 srr1: 0x00000000 vrsave: 0x00000000
cr: 0xXXXXXXXX xer: 0x00000000 lr: 0x91831ac8 ctr: 0x91831ab4
r00: 0x00000194 r01: 0xf01019d0 r02: 0x00000000 r03: 0x00000012
r04: 0xf0101a68 r05: 0xf0101a60 r06: 0xf0101d40 r07: 0x00000004
r08: 0x00000000 r09: 0x14728c80 r10: 0x00000000 r11: 0x0065c110
r12: 0x91831ab4 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000
r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000000
r24: 0x00000000 r25: 0x00000000 r26: 0x00000000 r27: 0x00000000
r28: 0x00000000 r29: 0x00985400 r30: 0xf0101b28 r31: 0xf0101b28
Thread 2: (0xb009a83c, 0xb81529ef)
0x00832c00: No symbol
0x00652204: /Applications/Microsoft Office 2004/Office/ShMem.bundle/Contents/MacOS/ShMem : _MerpUnregisterCFMFragment + 3156
0x91819e8c: /usr/lib/libSystem.B.dylib : _pthreadbody + 40
0x00000000: /System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp : + 0
PPC Thread State
srr0: 0x00000000 srr1: 0x00000000 vrsave: 0x00000000
cr: 0xXXXXXXXX xer: 0x00000000 lr: 0x9178f360 ctr: 0x91788430
r00: 0xffffffe1 r01: 0xf0080d60 r02: 0x00000001 r03: 0xf0080e4c
r04: 0x00000102 r05: 0x00000000 r06: 0x00000054 r07: 0x00003403
r08: 0x000003e8 r09: 0x00000000 r10: 0x000eb010 r11: 0xa03885f4
r12: 0x91788430 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000
r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000000
r24: 0xf0080e4c r25: 0x00000054 r26: 0x00003403 r27: 0x000003e8
r28: 0x00000000 r29: 0x00000102 r30: 0x00000102 r31: 0x0065cfb0
Thread 3: Crashed (0xb7fff9d0, 0xb80bcd58)
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0x0f9da5bc: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : + 21948
0x0f9daa04: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : + 23044
0x0f9d94f0: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : + 17648
0x0f9d8084: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : + 12420
0x0f9eadd0: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : _AskUserForFile + 36332
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0x93b5e42c: /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit : -[NSWindowController _windowDidLoad] + 452
0x93b06b34: /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit : -[NSWindowController window] + 124
0x0f9ef6b8: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : _AskUserForFile + 54996
0x0f9e09b8: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/Current/Plugins/PrintCocoaUI.bundle/Contents/MacOS/PrintCocoaUI : _PMPrivatePrintDialog + 312
0x946963e8: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/A/Print : sessionPrintDialog(OpaquePMPrintSession*, OpaquePMPrintSettings*, OpaquePMPageFormat*, unsigned char, unsigned char*) + 240
0x84a9abdc: No symbol
0x84a98000: No symbol
0x849c71ec: No symbol
0x849c2c3c: No symbol
0x84a1b340: No symbol
0x83f6aab8: No symbol
0x84735ecc: No symbol
0x84735e4c: No symbol
0x84735ddc: No symbol
0x84735c8c: No symbol
0x955aa3cc: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1488
0x955a9564: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 468
0x955c6464: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : _SendEventToEventTarget + 56
0x955fbf00: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : SendHICommandEvent(unsigned long, HICommand const*, unsigned long, unsigned long, unsigned char, OpaqueEventTargetRef*, OpaqueEventTargetRef*, OpaqueEventRef**) + 456
0x9562284c: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : _SendMenuItemSelectedEvent + 140
0x95622750: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : FinishMenuSelection(MenuData*, MenuData*, MenuResult*, MenuResult*, unsigned long, unsigned long, unsigned long, unsigned char) + 140
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0x955aa3cc: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1488
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0x955c6464: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : _SendEventToEventTarget + 56
0x955da008: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 2476
0x955aa820: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 2596
0x955a9564: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 468
0x955c6464: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox : _SendEventToEventTarget + 56
0x8472b850: No symbol
0x84a0cd44: No symbol
0x84a0cca8: No symbol
0x84980fb8: No symbol
0x8519b3a4: No symbol
PPC Thread State
srr0: 0x00000000 srr1: 0x00000000 vrsave: 0x00000000
cr: 0xXXXXXXXX xer: 0x00000000 lr: 0x923e35a4 ctr: 0x923e3594
r00: 0x00000400 r01: 0xbfffb380 r02: 0xa05435a4 r03: 0x6e646c65
r04: 0xbfffb450 r05: 0x00000100 r06: 0x00000000 r07: 0x00000000
r08: 0x00010000 r09: 0xa05535a4 r10: 0x0000001d r11: 0x0000001c
r12: 0x923e3594 r13: 0x147b6420 r14: 0x00000001 r15: 0x0fa07dd0
r16: 0x147bad80 r17: 0x0fa0a47c r18: 0x0fa0a47c r19: 0x0fa0a47c
r20: 0xbfffb9c4 r21: 0x147bb6b0 r22: 0x0fa0a47c r23: 0x00000000
r24: 0x00000100 r25: 0xbfffb450 r26: 0x00000000 r27: 0x00000000
r28: 0xbfffb450 r29: 0x6e646c65 r30: 0xbfffb400 r31: 0x923e35a4
Thread 4: (0xb0220d64, 0xb8152863)
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0x00000000: /System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp : + 0
PPC Thread State
srr0: 0x00000000 srr1: 0x00000000 vrsave: 0x00000000
cr: 0xXXXXXXXX xer: 0x00000000 lr: 0x92e33c0c ctr: 0x917884a0
r00: 0xffffffda r01: 0xf0203d60 r02: 0x1472c3a0 r03: 0x00006603
r04: 0x0000003c r05: 0x00000000 r06: 0x00000000 r07: 0xf0203c60
r08: 0x00000010 r09: 0x000f4240 r10: 0xfffffff3 r11: 0xa03889e0
r12: 0x917884a0 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000
r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000000
r24: 0x00000000 r25: 0x00000000 r26: 0x00000000 r27: 0x00000000
r28: 0x00000000 r29: 0x0000ea60 r30: 0x00000000 r31: 0x92e33bac -
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I am having serious performance issue due to BSEG table .I am having a change request in which I have to solve the performance issue with regard to BSEG. The situation was that previously they had used select * on both BKPF and BSEG. I removed the select * and selected only those fields which are required as shown below. I also tried using cursors. But the problem is happening in the TEST server where BSEG is having more than 1 crore entries. I have gone through some threads but still not able to understand how to solve this problem. Please help
select bukrs belnr gjahr bldat bstat from bkpf into table T_BKPF_p
WHERE BUKRS IN sd_bukrs AND
BLDAT < s_bldat-low
and BSTAT = ' ' .
select bukrs belnr gjahr shkzg dmbtr hkont from bseg into table T_BSEG_C
FOR ALL ENTRIES IN t_BKPF_p
WHERE BUKRS = T_bkpf_p-bukrs
AND BELNR = T_bkpf_p-belnr
AND GJAHR = T_bkpf_p-gjahr
AND HKONT = SKB1-SAKNR.Hi Kunal,
Here is my take on your issue.
In your select statement on BKPF you are selecting every BKPF record for a specified company code and blank document status that was created before a specified date. If your company has implemented SAP 10 years ago, and your user enters todays date and leaves the company code field blank you will effectively be retrieving almost all the records from BKPF (excluding the ones created today or those with non-blank document status). This would effectively be a huge amount of data. After that you are looking for the corresponding BSEG records for all the records that you have selected in BKPF.
My question to you is why do you need to look at all the records before a given date? Why not ask the user to enter a smaller date range and make the document date and the company code a mandatory entry? You do not have to look at 10 years worth of data especially if you are running this online (as opposed to in the background).
Your BSEG select looks correct. There is very little that you can do except for adding BUZEI to the field list. If you use for all entries and do not include the entire primary key you could lose data.
TABLES: bkpf,
skb1.
SELECT-OPTIONS: s_bldat FOR bkpf-bldat OBLIGATORY,
sd_bukrs FOR bkpf-bukrs OBLIGATORY.
TYPES: BEGIN OF ty_bkpf,
bukrs TYPE bkpf-bukrs,
belnr TYPE bkpf-belnr,
gjahr TYPE bkpf-gjahr,
bldat TYPE bkpf-bldat,
bstat TYPE bkpf-bstat,
END OF ty_bkpf,
BEGIN OF ty_bseg,
bukrs TYPE bseg-bukrs,
belnr TYPE bseg-belnr,
gjahr TYPE bseg-gjahr,
buzei TYPE bseg-buzei,
shkzg TYPE bseg-shkzg,
dmbtr TYPE bseg-dmbtr,
hkont TYPE bseg-hkont,
END OF ty_bseg.
DATA: t_bkpf_p TYPE TABLE OF ty_bkpf,
t_bseg_c TYPE TABLE OF ty_bseg.
SELECT bukrs
belnr
gjahr
bldat
bstat
FROM bkpf
INTO TABLE t_bkpf_p
WHERE bukrs IN sd_bukrs
AND bldat IN s_bldat
AND bstat EQ space .
IF NOT t_bkpf_p[] IS INITIAL.
SELECT bukrs
belnr
gjahr
buzei
shkzg
dmbtr
hkont
FROM bseg
INTO TABLE t_bseg_c
FOR ALL ENTRIES IN t_bkpf_p
WHERE bukrs EQ t_bkpf_p-bukrs
AND belnr EQ t_bkpf_p-belnr
AND gjahr EQ t_bkpf_p-gjahr
AND hkont EQ skb1-saknr.
ENDIF. -
Performance issue with BW Extractor 0CRM_SRV_PROCESS_H
Hi There,
We have a serious performance issue with BW extractor 0CRM_SRV_PROCESS_H in CRM . We recently applied SAP Note: 1330249 to optimise the performance, Even after applying the note it remains slow, Please can any one update the solution if they had same issue with this Extractor or know about this issue.
Thanks,
RHi Ramesh,
There are some instructions available in note 1330249 that shoul help you.
I don't know what is the current release in the system, but there are corrections to be implemented by Tcode SNOTE and also manual steps(in table SMOFPARSFA).
I hope it contributes.
Regards,
Sinara Moraes -
Performance issue with transaction MC50
I am not sure where to post this question. If I need to post it in another forum, please let me know.
We are having performance issues with transaction MC50. After reviewing SAP Note 457615 we created an index on mseg with the following fields: MANDT, MJAHR, MATNR, WERKS and SOBKZ.
When running an explain on the sql statement, the database is using a different index. This index has the following fields MANDT, MATNR, WERKS, LGORT, BWART and SOBKZ.
The sql statement is ( sql trace from ST05):
SELECT * from mseg WHERE "MANDT" = '400' AND "MJAHR" BETWEEN 2009 AND 2009 AND "MATNR" = '000000000054001121' AND "WERKS" = 'SAT' AND "SOBKZ" IN ( 'K' , 'V' , 'W' , 'O' , ' ' )
Is there any way to force the database to use the newly created index.
Thanks....Tommy
Edited by: Tommy Knight on Dec 8, 2009 2:24 PM
Edited by: Tommy Knight on Dec 8, 2009 3:07 PM
Edited by: Tommy Knight on Dec 8, 2009 3:08 PMHello Tommy,
at first your database release and patchset is missing.
If you are using Oracle 10g, the advice of Peter is useless, because of statistics are automatically collected by a CREATE INDEX.
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_5010.htm#i2075657
COMPUTE STATISTICS
In earlier releases, you could use this clause to start or stop the collection of statistics on an index. This clause has been deprecated. Oracle Database now automatically collects statistics during index creation and rebuild. This clause is supported for backward compatibility and will not cause errors.
The other thing is - are you really sure that this SQL statements was executed with literals?
I know that on MSEG (with histograms) it is recommended sometimes, but i just want to be sure.
If you want us to help you - we need much more information .. please check sapnote #1257075 and upload the information to a webhosting platform, so that we can take a look at it.
Regards
Stefan -
Performance issues with Homesharing?
I have a Time Capsule as the base station for my wireless network, then 2 Airport Express setup to extend the network around the house, an iMac i7 as the main iTunes Library and couple of iPads, and a couple of Apple TVs. Everything has the latest software, but I have several performance issues with Home sharing. I've done several tests making sure nothing is taking additional bandwidth, so here are the list of issues:
1) With nothing else running, trying playing a movie via home sharing in an iPad 2 which is located on my iMac, it stops and I have to keep pressing the play button over and over again. I typically see that the iPad tries to download part of the movie first and then starts playing so that it deals with the bandwidth, but in many cases it doesn't.
2) When trying to play any iTunes content (movies, music, photos, etc) from my Apple TV I can see my computer library, but when I go in on any of the menus, it says there's no content. I have to reboot the Apple TV and then problem fixed. I's just annoying that I have to reboot.
3) When watching a Netflix movie on my iPad and with Airplay I send the sound to some speakers via Airplay through an Airport Express. At time I lose the connection to the speakers.
I've complained about Wifi's instability, but here I tried to keep everything with Apples products to avoid any compatibility issues and stay within N wireless technology, which I understood it was much more stable.
Has anyone some suggestions?Hi,
you should analyze the db after you have loaded the tables.
Do you use sequences to generate PKs? Do you have a lot of indexex and/or triggers on the tables?
If yes:
make sure your sequence caches (alter sequence s cache 10000)
Drop all unneeded indexes while loading and disable trigger if possible.
How big is your Redo Log Buffer? When loading a large amount of data it may be an option to enlarge this buffer.
Do you have more then one DBWR Process? Writing parallel can speed up things when a checkpoint is needed.
Is it possible using a direct load? Or do you already direct load?
Dim -
Performance issues with data warehouse loads
We have performance issues with our data warehouse load ETL process. I have run
analyze and dbms_stats and checked database environment. What other things can I do to optimize performance? I cannot use statspack since we are running Oracle 8i. Thanks
ScottHi,
you should analyze the db after you have loaded the tables.
Do you use sequences to generate PKs? Do you have a lot of indexex and/or triggers on the tables?
If yes:
make sure your sequence caches (alter sequence s cache 10000)
Drop all unneeded indexes while loading and disable trigger if possible.
How big is your Redo Log Buffer? When loading a large amount of data it may be an option to enlarge this buffer.
Do you have more then one DBWR Process? Writing parallel can speed up things when a checkpoint is needed.
Is it possible using a direct load? Or do you already direct load?
Dim -
Performance issue with HRALXSYNC report..
HI,
I'm facing performance issue with the HRALXSYNC report. As this is Standard report, Can any body suggest me how to optimize the standard report..
Thanks in advance.
Saleem Javed
Moderator message: Please Read before Posting in the Performance and Tuning Forum, also look for existing SAP notes and/or send a support message to SAP.
Edited by: Thomas Zloch on Aug 23, 2011 4:17 PMSreedhar,
Thanks for you quick response. Indexes were not created for VBPA table. basis people tested by creating indexes and gave a report that it is taking more time with indexes than regular query optimizer. this is happening in the funtion forward_ag_selection.
select vbeln lifnr from vbpa
appending corresponding fields of table lt_select
where vbeln in ct_vbeln
and posnr eq posnr_initial
and parvw eq 'SP'
and lifnr in it_spdnr.
I don't see any issue with this query. I give more info later -
Performance Issue with BSIS(open accounting items)
Hey All,
I am having serious performance issue with a accrual report which gets all open GL items, and need some tips for optimization.
The main issue is that I am accesing large tables like BSIS, BSEG, BSAS etc without proper indexes and that I am dealing with huge amounts of data.
The select itself take a long time and after that as I have so much data overall execution is slow too.
The select which concerns me the most is:
SELECT zuonr hkont gjahr belnr buzei budat blart wrbtr shkzg xblnr waers bukrs
INTO TABLE i_bsis
FROM bsis
WHERE bukrs = '1000'
AND hkont in r_hkont
AND budat <= p_lcdate
AND augdt = 0
AND augbl = space
AND gsber = c_ZRL1
AND gjahr BETWEEN l_gjahr2 AND l_gjahr
AND ( blart = c_re "Invoice
OR blart = c_we "Goods receipt
OR blart = c_zc "Invoice Cancels
OR blart = c_kp ). "Accounting offset
I have seen other related threads, but was not that helpful.
We already have a secondary index on bukrs hkont and budat, and i have checked in ST05 that it does use it. But inspite that it takes more than 15 hrs to complete(maybe because of huge data).
Any Input is highly appreciated.
ThanksThank you Thomas for your inputs:
You said that R_HKONT contains several ranges of account numbers. If these ranges cover a significant
portion of the overall existing account numbers, then there is no really quick access possible via the
BSIS primary key.
Unfortunately R_HKONT contains all account numbers.
As Rob said, your index on HKONT and BUDAT does not help much, since you are selecting "<=" on
BUDAT. No chance of narrowing down that range?
Will look into this.
What about GSBER? Does the value in c_ZRL1 provide a rather small subset of the overall values? Then
an index on BUKRS and GSBER might be helpful.
ZRL1 does provide a decent selection . But I dont know if one more index is a good idea on overall
system performance.
I assume that the four document types are not very selective, so it probably does not pay off to
investigate selecting on BKPF (there is an index involving BLART) and joining BSIS for the additional
information. You still might want to look into it though.
I did try to investigate this option too. Based on other threads related to BSIS and Robs Suggestion in
those threads I tried this:
SELECT bukrs belnr gjahr blart budat
FROM bkpf INTO TABLE bkpf_l
WHERE bukrs = c_pepsico
AND bstat IN (' ', 'A', 'B', 'D', 'M', 'S', 'V', 'W', 'Z')
AND blart IN ('RE', 'WE', 'ZC', 'KP')
AND gjahr BETWEEN l_gjahr2 AND l_gjahr
AND budat <= p_lcdate.
SELECT zuonr hkont gjahr belnr buzei budat blart wrbtr shkzg xblnr waers bukrs
FROM bsis INTO TABLE i_bsis FOR ALL ENTRIES IN bkpf_l
WHERE bukrs = bkpf_l-bukrs
AND hkont IN r_hkont
AND budat = bkpf_l-budat
AND augdt = 0
AND augbl = space
AND gjahr = bkpf_l-gjahr
AND belnr = bkpf_l-belnr
AND blart = bkpf_l-blart
AND gsber = c_zrl1.
The improves the select on BSIS a lot, but the first select on BKPF kills it. Not sure if this would help
improve performance.
Also I was wondering whether it helps on refreshing the tabe statistics through DB20. The last refresh
was done 7 months back. How frequently should we do this? Will it help? -
ERP Sales Order : Performance issues with Product Proposal
Hi
we are working on CRM 2007 solution and are facing serious performance issues with the ERP Sales Order functionality provided in the ICWC of this version.
In our development we are adding items in the ERP cart as soon as the user clicks on the 'New Sales Order' button of the sales order sreen. We get the items by very simple and optimized call to the ERP system and then add these entities in the Item Cart (Item collection ...in simple sense).
For adding 10 items the application takes 10 seconds and this is too much for adding just 10 items.
Can you please provide any Notes/alternative solution to resolve this issue.
Regards
AjitabhHi Ajithabh,
Please apply the following SAP notes:
1061423 - Interaction Center ERP Order Performance improvement
1262277 - Performance: CRM value help causes dumps in ERP
1292817 - Performance: Reduce RFC calls during creation of ERP order.
1319885 - ERP sales order search with external reference
1326527 - Reducing number of RFC calls in IC ERP Sales Order
I hope it helps!
Regards,
Gabriel Santana
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