E-Business Suite R12 : Java Performance on UltraSPARC T1/T2 processors

Oracle Metalink Note:402312.1 Oracle Applications Installation and Upgrade Notes Release 12 (12.0) for Solaris Operating System (SPARC) has been updated with known issues and workarounds pertaining to the Java performance on UltraSPARC T1/T2 (Niagara / Niagara 2) processor based Tx000/T5x20 systems. It is a must read for all the customers who have Oracle E-Business Suite 11i / R12 deployments on Sun Fire Tx000/T5x20 systems.__________Technorati Tags:UltraSPARC...

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Solaris: Handling idle socket connections

(based on the writings of Gregory Bedigian, Joonbo Yoon and Neil Putnam, Sun Microsystems)It is not uncommon to see lots of idle TCP connections (run netstat -a on Solaris to check the state of TCP connections on Solaris) in real world production systems. Here is a little background on the IDLE state for TCP socket connections:TCP endpoints are in IDLE state when first created. After the socket creation (listening socket or the client socket), a...

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Solaris: Which process is associated with a socket connection?

Consider the following real world scenario (copied from an e-mail message that I got from one of our partners):[...] one process is waiting for a very long time in a send system call. It is sending on a valid fd but the question we have is that, is there any way to find who is on the other end of that fd? We want to know to which process is that message being sent to. [...]Here is how I proceed in finding the other end of the socket, and the state...

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Black Friday (November 23, 2007) - GPS Navigation Devices - Deals

.nobr br { display: none } Here are the deals on GPS Navigation devices at verious stores on Black Friday (Day After ThanksGiving: Nov 23, 2007). Listed in a table for your convenience.MIR in Misc Info Column = Mail-In Rebate Store Name Description of the Item Price Misc Info Circuit City MIO Portable Navigation GPS(MIO) $99.99 Linens & Things Amcor A3900 GPS Navigation System (Amcor) $99.99 MIR Office Depot Maxx Digital Portable GPS System ...

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Oracle 11gR1 Client Silent Installation on Solaris

Steps: Download the Oracle 11g Release 1 (11.1.0.6.0) client for Solaris from the location:www.oracle.com/technology/software/products/database/oracle11g/111060_sol64soft.html Extract the client software files from solaris.sparc64_11gR1_client.zip% unzip solaris.sparc64_11gR1_client.zip Create a copy of the response file clientruntime.rsp.% cd client/response% cp clientruntime.rsp clientruntime.rsp.orig Edit the variables UNIX_GROUP_NAME, FROM_LOCATION,...

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Solaris/SPARC: Oracle 11gR1 client for Siebel 8.0

First things first - Oracle 11g Release 1 for Solaris/SPARC is available now; and can be downloaded from here.In some Siebel 8.0 environments where Oracle database is being used, customers might be noticing intermittent Siebel object manager crashes under high loads when the work is actively being done by tons of LWPs with less number of object managers. Usually the call stack might look something like:/export/home/siebel/siebsrvr/lib/libsslcosd.so:0x4ad24...

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Oracle BI 10.1.3.x 10,000 User Benchmark on SunFire T2000

Oracle published a white paper showing the scalability of Oracle BI EE 10.1.3.x (earlier known as Siebel Analytics) on Sun Microsystem's CMT server, T2000. Here is the URL for the white paper:Oracle Business Intelligence Suite Enterprise Edition 10,000 User Benchmark on Sun T2000It is kind of Oracle's endorsement to use UltraSPARC-T1 (and apparently UltraSPARC-T2) based CMT servers like T2000, T5220 to run Oracle Business Intelligence Suite.If you...

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OOB Large Page Selection Changes in Solaris 10 8/07

If you notice slight performance degradation of the application(s) on Solaris 10 8/07 compared to Solaris 10 1/06 & Solaris 10 11/06, it could be due to the conservative large page selection by the operating system. In S10 8/07, the maximum page size for heap/stack/mmap has been reduced to 64K (default is up to 256M depending on the underlying hardware -- eg., 256M on Niagara (US-T1)/US-IV+/SPARC64-VI systems, 32M on US-IV systems and 4M on US-III+...

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Oracle: Fixing ORA-01113: file x needs media recovery Error

DisclaimerThe following steps are intended for a quick recovery of the database. Use them at your own risk.SymptomOracle mounts the database, but refuses to open the database with an ORA-01113: file x needs media recovery Error.% sqlplus / as sysdbaSQL*Plus: Release 10.2.0.1.0 - Production on Mon Sep 24 09:29:10 2007Copyright (c) 1982, 2005, Oracle. All rights reserved.Connected to an idle instance.SQL> startupORACLE instance started.Total System...

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Sun Secure Global Desktop (Tarantella)

How do you like launching some of the applications running on a system, securely using a web browser?Consider this simple scenario.You have a system that is exposed to the internet. You are trying to get your partner engineer access your system {say using telnet or ssh}; but the partner engineer is not able to access it due to their corporate firewall.One option for the partner engineer is to bypass their company's firewall somehow, then connect...

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*nix: Workaround to cannot find zipfile directory in one of file.zip or file.zip.zip ..

Symptom:You are trying to extract the archived files off of a huge (any file with size > 2 GB or 4GB, depending on the OS) ZIP file with unzip utility on Solaris, and it fails with the following error:cannot find zipfile directory in one of file.zip or file.zip.zip, and cannot find file.zip.ZIP, period.% ls -lh file.zip-rw-r--r-- 1 oracle dba 13G Sep 8 09:46 file.zipzipinfo returns the following message:$ zipinfo file.zip[file.zip]...

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Memory fragmentation / Large Pages on Solaris x86

First, the symptom.On Solaris x86 systems that support large pages (any page size > 4K), the processes may get 2M pages when the system is up for few hours, but may not obtain even a single large page (2M) when the system is up for few days.Now, the explanation.Memory fragmentation is the main reason for the above mentioned behavior on Solaris x86 platform. On Solaris x86, once memory has been fragmented, it is very rare that a large page can...

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Linux: Steps for installing GRUB as the Boot Loader

For some reason if the Master Boot Record (MBR) is overwritten or corrupted, here is a simple HOW-To to install GRUB (GRand Unified Boot loader) as the boot loader with Ubuntu being the host operating system. Boot up Linux using Ubuntu Live CD Run grub with system user privileges% sudo grubPassword:Probing devices to guess BIOS drives. This may take a long time. Locate the grub files on the connected devices.grub> find /boot/grub/stage1 (hd0,0)...

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Sandhya Vandanam in Telugu Script

Sandhya Vandanamu [File format: PDF. File size: 3.1 MB]Courtesy/Publisher: Gollapudi Veera Swamy Son, RajahmundryRelated:Hanuman Chalisa {Telugu Script}______________Technorati Tags:Telugu | Devot...

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Cricket Flash Game

The following is a little flash game for all those cricket buffs who like to hit 6s and 4s almost every ball. Play the GameSimply use the arrow keys of the keyboard or use the mouse buttons to hit the ball.Courtesy: npower_______________Technorati Tag:Cricket | Flash G...

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Oracle 10gR2/Solaris x64: Must Have Patches for E-Business Suite 11.5.10

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