Performance issue with using buffering in a APPL0 or APPL1 Table

Hi,
Can anyone please tell me whether there's any serious performace issue with using buffering for a Master or Transaction table? I'm asking this because when I run code inspector for my transp table I'm getting information message:
Message Code 0011 ==> Buffereing is Activated but Delivery Class Is "A" and Message Code 0014 ==> Buffereing is Activated but Data Class Is "APPL1".
So what's other way round for improving performance.
Thanks,
Mahesh M.S.

Hi,
have you read the documentation?
Let me paste it here for you:
Buffering is switched on for the examined table and it has data type 'APPL0' or 'APPL1'.
Tables with data type 'APPL0' or 'APPL1' should contain master or transaction data, so these tables should either contain a large amount of data or their content should change frequently. Therefore buffering the table is unfavourable. Very large tables suppress other tables in the buffer memory and hence slow done any access to them. Transaction data should not be buffered because the synchronization of the changes on the various application servers is very time consuming.
In exceptional cases, small master data tables ('APPL0', size category 0) can be buffered.
The solution depends on the table content. If it is master or transaction data, the table should not be buffered. If the table content does not consist of master or transaction data, the data type should be corrected accordingly.
This should answer your questions...
Kind regards,
Hermann

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Edited by: Earthlink on Nov 14, 2010 11:31 AM
Edited by: Earthlink on Nov 14, 2010 11:32 AM
Edited by: Earthlink on Nov 20, 2010 12:04 PM
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copied:
Problem description:
slow start and slow quit of computer. Performance issues with fcpx and other programms.
EtreCheck version: 2.1.8 (121)
Report generated 6 maart 2015 21:49:31 CET
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
 iMac (27-inch, Mid 2011) (Technical Specifications)
 iMac - model: iMac12,2
 1 3.4 GHz Intel Core i7 CPU: 4-core
 16 GB RAM Upgradeable
 BANK 0/DIMM0
 4 GB DDR3 1333 MHz ok
 BANK 1/DIMM0
 4 GB DDR3 1333 MHz ok
 BANK 0/DIMM1
 4 GB DDR3 1333 MHz ok
 BANK 1/DIMM1
 4 GB DDR3 1333 MHz ok
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 Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
 AMD Radeon HD 6970M - VRAM: 1024 MB
 iMac 2560 x 1440
System Software: ℹ️
 OS X 10.9.4 (13E28) - Time since boot: 0:7:46
Disk Information: ℹ️
 WDC WD1001FALS-403AA0 disk1 : (1 TB)
 EFI (disk1s1) <not mounted> : 210 MB
 MacintoshHD2 (disk1s2) /Volumes/MacintoshHD2 : 999.86 GB (152.18 GB free)
 APPLE SSD TS256C disk0 : (251 GB)
 EFI (disk0s1) <not mounted> : 210 MB
 MacintoshHD (disk0s2) / : 250.14 GB (62.78 GB free)
 Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
 HL-DT-STDVDRW GA32N
USB Information: ℹ️
 Apple Inc. FaceTime HD Camera (Built-in)
 Mitsumi Electric Hub in Apple Extended USB Keyboard
 Logitech USB-PS/2 Optical Mouse
 Mitsumi Electric Apple Extended USB Keyboard
 Western Digital Ext HDD 1021 2 TB
 EFI (disk2s1) <not mounted> : 210 MB
 datavideo (disk2s2) /Volumes/datavideo : 1.37 TB (133.89 GB free)
 prive (disk2s3) /Volumes/prive : 627.23 GB (68.13 GB free) - 7 errors
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 Lexar USB_3_0 Reader
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 EFI (disk3s1) <not mounted> : 315 MB
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 Apple Computer, Inc. IR Receiver
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 G-Technology G-RAID with Thunderbolt
Configuration files: ℹ️
 /etc/sysctl.conf - Exists
Gatekeeper: ℹ️
 Mac App Store and identified developers
Kernel Extensions: ℹ️
 /Applications/Toast 11 Titanium/Spin Doctor.app
 [not loaded] com.hzsystems.terminus.driver (4) [Click for support]
 /Library/Extensions
 [not loaded] com.Avid.driver.AvidDX (5.9.1 - SDK 10.8) [Click for support]
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 /System/Library/Extensions/PACESupportFamily.kext/Contents/PlugIns
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Startup Items: ℹ️
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 DigidesignLoader: Path: /Library/StartupItems/DigidesignLoader
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Problem System Launch Agents: ℹ️
 [running] com.paragon.NTFS.notify.plist [Click for support]
Launch Agents: ℹ️
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 [loaded] com.adobe.CS4ServiceManager.plist [Click for support]
 [loaded] com.avid.ApplicationManager.plist [Click for support]
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Internet Plug-ins: ℹ️
 Default Browser: Version: 537 - SDK 10.9
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Audio Plug-ins: ℹ️
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Time Machine: ℹ️
 Skip System Files: NO
 Mobile backups: OFF
 Auto backup: NO - Auto backup turned off
 Volumes being backed up:
 MacintoshHD: Disk size: 250.14 GB Disk used: 187.36 GB
 downloads: Disk size: 249.18 GB Disk used: 110.84 GB
 Destinations:
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 Total size: 8.00 TB
 Total number of backups: 6
 Oldest backup: 2014-04-08 14:24:41 +0000
 Last backup: 2014-09-24 21:58:28 +0000
 Size of backup disk: Excellent
 Backup size 8.00 TB > (Disk size 499.32 GB X 3)
Top Processes by CPU: ℹ️
 2% Google Chrome
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 0% mds
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Top Processes by Memory: ℹ️
 206 MB mds_stores
 172 MB com.apple.IconServicesAgent
 155 MB Google Chrome
 137 MB Dock
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Virtual Memory Information: ℹ️
 10.02 GB Free RAM
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 1.35 GB Inactive RAM
 1.44 GB Wired RAM
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Diagnostics Information: ℹ️
 Mar 6, 2015, 09:37:26 PM Self test - passed
 Mar 6, 2015, 08:15:56 PM /Library/Logs/DiagnosticReports/Mail_2015-03-06-201556_[redacted].hang

Problem description:
disk problems
EtreCheck version: 2.1.8 (121)
Report generated 7 maart 2015 14:16:18 CET
Download EtreCheck from http://etresoft.com/etrecheck
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Hardware Information: ℹ️
 iMac (27-inch, Mid 2011) (Technical Specifications)
 iMac - model: iMac12,2
 1 3.4 GHz Intel Core i7 CPU: 4-core
 16 GB RAM Upgradeable
 BANK 0/DIMM0
 4 GB DDR3 1333 MHz ok
 BANK 1/DIMM0
 4 GB DDR3 1333 MHz ok
 BANK 0/DIMM1
 4 GB DDR3 1333 MHz ok
 BANK 1/DIMM1
 4 GB DDR3 1333 MHz ok
 Bluetooth: Old - Handoff/Airdrop2 not supported
 Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
 AMD Radeon HD 6970M - VRAM: 1024 MB
 iMac 2560 x 1440
System Software: ℹ️
 OS X 10.9.4 (13E28) - Time since boot: 0:19:51
Disk Information: ℹ️
 WDC WD1001FALS-403AA0 disk1 : (1 TB)
 EFI (disk1s1) <not mounted> : 210 MB
 MacintoshHD2 (disk1s2) /Volumes/MacintoshHD2 : 999.86 GB (152.18 GB free)
 APPLE SSD TS256C disk0 : (251 GB)
 EFI (disk0s1) <not mounted> : 210 MB
 MacintoshHD (disk0s2) / : 250.14 GB (62.97 GB free)
 Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
 HL-DT-STDVDRW GA32N
 HGST HDS724040ALE640 disk2 : (4 TB)
 EFI (disk2s1) <not mounted> : 210 MB
 disk2s2 (disk2s2) <not mounted> : 4.00 TB
 Boot OS X (disk2s3) <not mounted> : 134 MB - one error
 HGST HDS724040ALE640 disk3 : (4 TB)
 EFI (disk3s1) <not mounted> : 210 MB
 disk3s2 (disk3s2) <not mounted> : 4.00 TB
 Boot OS X (disk3s3) <not mounted> : 134 MB
USB Information: ℹ️
 Mitsumi Electric Hub in Apple Extended USB Keyboard
 Logitech USB-PS/2 Optical Mouse
 Mitsumi Electric Apple Extended USB Keyboard
 Apple Inc. BRCM2046 Hub
 Apple Inc. Bluetooth USB Host Controller
 Apple Inc. FaceTime HD Camera (Built-in)
 Lexar USB_3_0 Reader
 Seagate Expansion Desk 3 TB
 EFI (disk5s1) <not mounted> : 315 MB
 downloads (disk5s2) /Volumes/downloads : 249.18 GB (138.35 GB free)
 BackUpBro (disk5s3) /Volumes/BackUpBro : 2.75 TB (1.03 TB free)
 Apple Computer, Inc. IR Receiver
 Apple Internal Memory Card Reader
Thunderbolt Information: ℹ️
 Apple Inc. thunderbolt_bus
 G-Technology G-RAID with Thunderbolt
Configuration files: ℹ️
 /etc/sysctl.conf - Exists
Gatekeeper: ℹ️
 Mac App Store and identified developers
Kernel Extensions: ℹ️
 /Applications/Toast 11 Titanium/Spin Doctor.app
 [not loaded] com.hzsystems.terminus.driver (4) [Click for support]
 /Library/Extensions
 [not loaded] com.Avid.driver.AvidDX (5.9.1 - SDK 10.8) [Click for support]
 [not loaded] com.blackmagic-design.desktopvideo.iokit.driver (10.1.4 - SDK 10.8) [Click for support]
 [not loaded] com.blackmagic-design.desktopvideo.iokit.framebufferdriver (10.1.4 - SDK 10.8) [Click for support]
 [not loaded] com.blackmagic-design.desktopvideo.multibridge.iokit.driver (10.1.4 - SDK 10.8) [Click for support]
 [not loaded] com.blackmagic-design.driver.BlackmagicIO (10.1.4 - SDK 10.8) [Click for support]
 /Library/Extensions/DeckLink_Driver.kext/Contents/PlugIns
 [not loaded] com.blackmagic-design.desktopvideo.firmware (10.1.4 - SDK 10.8) [Click for support]
 /System/Library/Extensions
 [not loaded] at.obdev.nke.LittleSnitch (3876 - SDK 10.8) [Click for support]
 [not loaded] com.SafeNet.driver.Sentinel (7.5.2) [Click for support]
 [not loaded] com.paceap.kext.pacesupport.master (5.9.1 - SDK 10.6) [Click for support]
 [not loaded] com.roxio.BluRaySupport (1.1.6) [Click for support]
 /System/Library/Extensions/PACESupportFamily.kext/Contents/PlugIns
 [not loaded] com.paceap.kext.pacesupport.leopard (5.9.1 - SDK 10.4) [Click for support]
 [not loaded] com.paceap.kext.pacesupport.panther (5.9.1 - SDK 10.-1) [Click for support]
 [loaded] com.paceap.kext.pacesupport.snowleopard (5.9.1 - SDK 10.6) [Click for support]
 [not loaded] com.paceap.kext.pacesupport.tiger (5.9.1 - SDK 10.4) [Click for support]
 /Users/[redacted]/Library/Services/ToastIt.service/Contents/MacOS
 [not loaded] com.roxio.TDIXController (2.0) [Click for support]
Startup Items: ℹ️
 Digidesign Mbox 2: Path: /Library/StartupItems/Digidesign Mbox 2
 DigidesignLoader: Path: /Library/StartupItems/DigidesignLoader
 Startup items are obsolete in OS X Yosemite
Problem System Launch Agents: ℹ️
 [running] com.paragon.NTFS.notify.plist [Click for support]
Launch Agents: ℹ️
 [not loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
 [loaded] com.adobe.CS4ServiceManager.plist [Click for support]
 [running] com.avid.ApplicationManager.plist [Click for support]
 [running] com.avid.backgroundservicesmanager.plist [Click for support]
 [loaded] com.avid.dmfsupportsvc.plist [Click for support]
 [loaded] com.avid.interplay.dmfservice.plist [Click for support]
 [loaded] com.avid.interplay.editortranscode.plist [Click for support]
 [loaded] com.avid.transcodeserviceworker.plist [Click for support]
 [running] com.blackmagic-design.DesktopVideoFirmwareUpdater.plist [Click for support]
 [failed] com.brother.LOGINserver.plist [Click for support] [Click for details]
 [loaded] com.paragon.updater.plist [Click for support]
 [failed] com.teamviewer.teamviewer.plist [Click for support] [Click for details]
 [failed] com.teamviewer.teamviewer_desktop.plist [Click for support]
Launch Daemons: ℹ️
 [loaded] com.adobe.fpsaud.plist [Click for support]
 [loaded] com.adobe.SwitchBoard.plist [Click for support]
 [loaded] com.adobe.versioncueCS4.plist [Click for support]
 [loaded] com.avid.AMCUninstaller.plist [Click for support]
 [running] com.avid.interplay.editorbroker.plist [Click for support]
 [running] com.avid.interplay.editortranscodestatus.plist [Click for support]
 [loaded] com.blackmagic-design.desktopvideo.XPCService.plist [Click for support]
 [running] com.blackmagic-design.DesktopVideoHelper.plist [Click for support]
 [running] com.blackmagic-design.streaming.BMDStreamingServer.plist [Click for support]
 [not loaded] com.digidesign.fwfamily.helper.plist [Click for support]
 [running] com.edb.launchd.postgresql-8.4.plist [Click for support]
 [loaded] com.microsoft.office.licensing.helper.plist [Click for support]
 [loaded] com.noiseindustries.FxFactory.FxPlug.plist [Click for support]
 [loaded] com.noiseindustries.FxFactory.plist [Click for support]
 [running] com.paceap.eden.licensed.plist [Click for support]
 [loaded] com.teamviewer.Helper.plist [Click for support]
 [failed] com.teamviewer.teamviewer_service.plist [Click for support]
 [loaded] jp.co.canon.MasterInstaller.plist [Click for support]
 [loaded] PACESupport.plist [Click for support]
User Login Items: ℹ️
 iTunesHelper Programma Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Internet Plug-ins: ℹ️
 Default Browser: Version: 537 - SDK 10.9
 OfficeLiveBrowserPlugin: Version: 12.2.6 [Click for support]
 AdobePDFViewerNPAPI: Version: 11.0.0 - SDK 10.6 [Click for support]
 FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
 Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
 Flash Player: Version: 16.0.0.305 - SDK 10.6 [Click for support]
 QuickTime Plugin: Version: 7.7.3
 iPhotoPhotocast: Version: 7.0 - SDK 10.8
 SharePointBrowserPlugin: Version: 14.0.0 [Click for support]
 AdobePDFViewer: Version: 11.0.0 - SDK 10.6 [Click for support]
 EPPEX Plugin: Version: 10.0 [Click for support]
 JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
User internet Plug-ins: ℹ️
 Google Earth Web Plug-in: Version: 7.0 [Click for support]
Audio Plug-ins: ℹ️
 DVCPROHDAudio: Version: 1.3.2
3rd Party Preference Panes: ℹ️
 Blackmagic Desktop Video [Click for support]
 DigidesignMbox2 [Click for support]
 Digidesign Mbox 2 Pro [Click for support]
 Flash Player [Click for support]
 Paragon NTFS for Mac ® OS X [Click for support]
Time Machine: ℹ️
 Skip System Files: NO
 Mobile backups: OFF
 Auto backup: NO - Auto backup turned off
 Volumes being backed up:
 MacintoshHD: Disk size: 250.14 GB Disk used: 187.17 GB
 downloads: Disk size: 249.18 GB Disk used: 110.83 GB
 Destinations:
 G-RAID with Thunderbolt [Local]
 Total size: 8.00 TB
 Total number of backups: 6
 Oldest backup: 2014-04-08 14:24:41 +0000
 Last backup: 2014-09-24 21:58:28 +0000
 Size of backup disk: Excellent
 Backup size 8.00 TB > (Disk size 499.32 GB X 3)
Top Processes by CPU: ℹ️
 2% WindowServer
 1% fontd
 0% firefox
 0% AvidApplicationManager
 0% AppleSpell
Top Processes by Memory: ℹ️
 498 MB firefox
 241 MB mds_stores
 172 MB com.apple.IconServicesAgent
 137 MB Dock
 100 MB java
Virtual Memory Information: ℹ️
 12.33 GB Free RAM
 2.39 GB Active RAM
 1.11 GB Inactive RAM
 1.34 GB Wired RAM
 934 MB Page-ins
 0 B Page-outs
Diagnostics Information: ℹ️
 Mar 7, 2015, 01:56:19 PM Self test - passed
 Mar 6, 2015, 08:15:56 PM /Library/Logs/DiagnosticReports/Mail_2015-03-06-201556_[redacted].hang

Performance Issues with crystal reports 11 - Critical

Post Author: DJ Gaba
CA Forum: Exporting
I have migrated from crystal reports version 8 to version 11.
I am experiencing some performance issues with reports when displayed in version 11
Reports that was taking 2 seconds in version 8 is now taking 4-5 seconds in versino 11
I am using vb6 to export my report file into pdf
Thanks

Post Author: synapsevampire
CA Forum: Exporting
Pleae don't multiple forums on the site with the same question.
I responded to your other post.
-k

Performance Issues with Folio format in Ipad.

Hello everyone! My FIRST post here!!!
I work with educational games and I'm facing performance issues with games that I've made in HTML5 to play in Ipad. I tried to import them to the format folio in DPS (Adobe Digital Publishing Suite). However when I import the HTML game into Indesign and try to preview it in Adobe content viewer, the game doesn't open or works without perform properly (there is a lag that doesn't let you play the game with a little of fun).
The games that I've created have a memory use max of 35mb and weighs 30mb max.
Does anyone know what's happen and what I can do to fix that performance issue?
Thanks a lot!

Moved to DPS

Performance issues with 0CO_OM_WBS_1

We use BW3.5 & R/3 4.7 and encounter huge performance issues with 0CO_OM_WBS_1? Always having to do a full load involving approx 15M records even though there are on the average 100k new records since previous load. This takes a longtime.
Is there a way to delta-enable this datasource?

Hi,
This DS is not delta enabled and you can only do a full load. For a delta enabled one, you need to use 0CO_OM_WBS_6. This works as other Financials extractors, as it has a safety delta (configurable, default 2 hours, in table BWOM_SETTINGS).
What you should do is maybe, use the WBS_6 as a delta and only extract full loads for WBS_1 for shorter durations.
As you must have an ODS for WBS_1 at the first stage, I would suggest do a full load only for posting periods that are open. This will reduce the data load.
You may also look at creating your own generic data source with delta; if you are clear on the tables and logic used.
cheers...

Performance issues with FDK in large XML documents

In my current project with FrameMaker 8 I'm experiencing severe performance issues with some FDK API calls.
The documents are about 3-8 MBytes in size. Fortmatted they cover 150-250 pages.
When importing such an XML document I do some extensive "post-processing" using FDK. This processing happens in Sr_EventHandler() during the SR_EVT_END_READER event. I noticed that some FDK functions calls which modify the document's structure, like F_ApiSetAttribute() or F_ApiNewElementInHierarchy(), take several seconds, for the larger documents even minutes, to complete one single function call. I tried to move some of these calls to earlier events, mostly to SR_EVT_END_ELEM. There the calls work without a delay. Unfortunately I can't rewrite the FDK client to move all the calls that are lagging to earlier events.
Does anybody have a clue why such delays happen, and possibly can make a suggestion, how to solve this issue? Thank you in advance.
PS: I already thought of splitting such a document in smaller pieces by using the FrameMaker book function. But I don't think, the structure of the documents will permit such an automatic split, and it definitely isn't an option to change the document structure (the project is about migrating documents from Interleaf to XML with the constraint of keeping the document layout identical).

FP_ApplyFormatRules sounds really good--I'll give it a try on Monday. Wonder how I could miss it, as I already tried FP_Reformatting and FP_Displaying at no avail?! By the way, what is actually meant with FP_Reformatting (when I used it I assumed it would do exactly what FP_ApplyFormatRules sounds to do), or is that one another of Lynne's well-kept secrets?
Thank's for all the helpful suggestions, guys. On Friday I already had my first improvements in a test version of my client: I did some (not all necessary) structural changes using XSLT pre-processing, and processing went down from 8 hours(!) to 1 hour--Yeappie! I was also playing with the idea of writing a wrapper to F_ApiNewElementInHierarchy() which actually pastes an appropriate element created in a small flow on the reference pages at the intended insertion location. But now, with FP_ApplyFormatRules on the horizon, I'm quite confident to get even the complicated stuff under control, which cannot be handled by the XSLT pre-processing, as it is based on the actual formatting of the document at run-time and cannot be anticipated in pre-processing.
--Franz

Performance issues with Spry

Hi all,
I'm facing some performance issues with Spry. I'm using it
for handling a menubar acting as a rollover menu : its color
changes under mouse cursor, and a submenu does appear at the same
time.
I have no problem when working with Firefox, but in IE6, it
renders too slowly
Is there something I've missed in the configuration or code
(or is there some tips for this kind of problem) ?
For information, I used UL and LI html tags, and I've
configured Spry to render these as a menubar (with multiple levels)
Thanks for your response

Sorry, there are no public access to this application
:-(

Performance issues with Oracle EE 9.2.0.4 and RedHat 2.1

Hello,
I am having some serious performance issues with Oracle Enterprise Edition 9.2.0.4 and RedHat Linux 2.1. The processor goes berserk at 100% for long (some 5 min.) periods of time, and all the ram memory gets used.
Some environment characteristics:
Machine: Intel Pentium IV 2.0GHz with 1GB of RAM.
OS: RedHat Linux 2.1 Enterprise.
Oracle: Oracle Enterprise Edition 9.2.0.4
Application: We have a small web-application with 10 users (for now) and very basic queries (all in stored procedures). Also we use the latest version of ODP.NET with default connection settings (some low pooling, etc).
Does anyone know what could be going on?
Is anybody else having this similar behavior?
We change from SQL-Server so we are not the world expert on the matter. But we want a reliable system nonetheless.
Please help us out, gives some tips, tricks, or guides
Thanks to all,
Frank

Thank you very much and sorry I couldnt write sooner. It seems that the administrator doesnt see the kswap going on so much, so I dont really know what is going on.
We are looking at some queries and some indexing but this is nuts, if I had some poor queries, which we dont really, the server would show pick right?
But he goes crazy and has two oracle processes taking all the resources. There seems to be little swapping going on.
Son now what? They are all ready talking about MS-SQL please help me out here, this is crazy!!!
We have, may be the most powerful combinations here. What is oracle doing?
We even kill the Working Process of the IIS and have no one do anything with the database and still dose two processes going on.
Can some one help me?
Thanks,
Frank

Performance issues with Logic Pro 9

Hi,
I'm experiencing quite big performance issues with Logic Pro 9:
bad midi timing and sync, user interface is kinda slowing and less reactive, ...
Mac Pro 2x2.26 Ghz Quad, 4Gb ram, early 2009, shipped with 10.5.6 now upgraded to 10.5.8
Should I upgrade to 10.6.2?
Thanx

Hi,
I'm using the same machine ...
I never get any performance issues
I bought my mac in March 2009 and I was ben ready to work in less that 3 days without issue...
so more details about your setup are required to answare!
4GB ram???
I suggest to check your ram!!!
Ram must be compatible with Xeon Nehalem Try specification!
if you add 1GB of ram from nor clear manufactor.. i suggest to disconnect the addition 1GB RAM
G

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
Scott

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 issue with using buffering in a APPL0 or APPL1 Table

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