|UNIX Performance Tuning Simplified...
and Linux Performance Tuning too!
|SarCheck is a Linux & UNIX performance analysis and performance tuning tool. It is designed to help you with performance management on most Oracle Solaris, AIX, Linux, and HP-UX systems by making recommendations and explaining them with plain text, supporting graphs, and tables.|
|Learn more about SarCheck...|
|Here are 3 of the top 50 reasons why our customers say they continue to choose SarCheck:
Go ahead...take a look at the other 47 reasons!
SarCheck is a tool developed and sold by Aptitune Corporation that helps system administrators with Linux and UNIX performance tuning. It does this by analyzing the output of sar, the /proc filesystem, ps, other tools, and reading more information from the kernel. It identifies problem areas and if necessary, recommends changes to the system's tunable kernel parameters and hardware resources like CPUs, disks, and memory. SarCheck translates your system's resource utilization data into a Plain English report and will insert HTML tags into the text if you want to view the output through a browser. SarCheck has been producing English output since its introduction in 1994 and is a mature, stable product that continues to be enhanced based on feedback from thousands of users. If you're used to looking at nothing more than your Linux or UNIX system's vmstat, sar, and uptime output, you're going to be amazed. And if you're used to looking at one of the many "drill-down graph generator" tools, you'll love the fact that SarCheck gives real answers.
SarCheck can detect CPU Bottlenecks, runaway processes, I/O bottlenecks, improper I/O load balancing, slow disk devices, memory bottlenecks and leaks, inefficient system buffer cache sizing, improper system table sizes, inefficient PATH variables, and other problems with the way Linux and UNIX kernel parameters are set. The resource analysis and recommendations sections of SarCheck will analyze the data and make recommendations for gradual changes to your system. The capacity planning component of SarCheck will approximate the amount of capacity left on your system and determine which resource is likely to become exhausted first. SarCheck is available to help you with performance tuning of Solaris, HP-UX, AIX, and Linux kernels. Check the appropriate FAQ or contact us if you have any questions.
• SarCheck software only requires about a megabyte of disk space. Report files containing Linux or UNIX sar and ps data will take up additional space, and you control how much of this data you want to keep.
• SarCheck typically uses about a second of CPU time per day. Actual CPU utilization will depend on the configuration of the system being analyzed and the information requested using SarCheck's numerous switches. If SarCheck uses gnuplot to create graphs, gnuplot will use some extra time too.
• SarCheck typically requires only a few megabytes of memory for the brief time that it's running. This varies based on operating system, the problems detected by SarCheck when it's running, and the switches used.
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