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Comprestimator Utility

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Abstract

Comprestimator is a command line host-based utility that can be used to estimate an expected compression rate for block devices.

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Overview

The Comprestimator utility uses advanced mathematical and statistical algorithms to perform the sampling and analysis process in a very short and efficient way. The utility also displays its accuracy level by showing the maximum error range of the results achieved based on the formulas it uses. The utility runs on a host that has access to the devices that will be analyzed, and performs only read operations so it has no effect whatsoever on the data stored on the device. The following section provides useful information on installing Comprestimator on a host and using it to analyze devices on that host. Depending on the environment configuration, in many cases Comprestimator will be used on more than one host, in order to analyze additional data types.

Comprestimator has moved to a new location:


http://www14.software.ibm.com/webapp/set2/sas/f/comprestimator/home.html

NAS Compression estimation Utility:
http://www14.software.ibm.com/webapp/set2/sas/f/comprestimator/NAS_Compression_estimation_utility.html

Installation Instructions

The installation instructions are located in the Comprestimator Quick Start Guide provided in the downloadable package.

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Document Information

Modified date:
15 June 2018

UID

ssg1S4001012