Archive: Oracle Solaris

Oracle Solaris T-Series & M-Series Sparc Server Comparisons

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I have added  some  comparisons about  T & M Series  Oracle  Sparc Servers. All information has  been  taken from  Oracle  documentation. You can check also  Oracle  Solaris  Engineered  System  from  this  link. The  Processor is  primary driver  that how fast  a  computer  work. Even with the rest  of  system having instantaneous performance  , always  CPU  ‘ll say the […]

Comparisons between Exadata Versions X4-2 X5-2 X6-2

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Obliviously Exadata X6  will be faster and  flexible  then the  earlier version.Here  I have given some   comparisons between  exadata version with  full configuration based on Oracle Documentation.   Metric X4 X5 X6 CPU  2 Twelve-Core Intel® Xeon® E5-2697 v2 Processors (2.7GHz)  1 or 2 processors with 18 Core Intel® Xeon® processor E5-2600 v3 product family […]

Oracle Solaris 11 Network Configuration and New Features

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Oracle  Solaris  introduced two new features  on Solaris 11  which  different  from Oracle  Solaris 10. There are  some changes for “dladm” command  and  also a new  command “ipadm” which will help us  to configure  network interfaces. Instead  of  “ifconfig” changes  made  by “dladm” and  also “ipadm” are  persistend  across reboot. “dladm” helps administrator  two perform […]

Crash Dump Analyse with Scat Oracle Solaris

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At this post I ‘ll provide  the  information how to  analyze crash dump  file for  Oracle Solaris.It helps  to find  out the  root  cause  of crash dump also  hang.If your system installed  properly then there  must be a separated  raw device which  size is as  much as  physical memory. Dump device size  is  related to physical […]

Using Dtrace to get system call Oracle Solaris

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This post focuses on dtrace and truss command usages and benefits for Oracle Solaris 10 Operating System.Dtrace is a debugging tool which used in Oracle Solaris. One of customer getting an unexpected error from java process . This process getting a sigterm signal.Application vendor couldn’t find which process sending sigterm signal to their application. I […]

How to analyse Swap/Memory usage Oracle Solaris?

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Memory bottlenecks are evidenced by two different things happening on the system. Paging Page in;something is moved into Active RAM whether that is from Inactive RAM, the swapfile(s), or another file on the hard drive. Page out;anything is moved out from Active RAM to Inactive RAM, as well as writing to a Swapfile. Also in […]

Solaris ZFS ARC Cache (ZFS File Data)

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ZFS has a cache  algorithm which named  ARC (Adaptive replacement cache). In general the ARC allocates as much memory as it is available.To  prevent  high memory usage,  you would like to limit the ZFS ARC to xx GB, which makes sense to me (so you always have some RAM free for applications), please follow this documentation. […]