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Last Build Date: Thu, 21 Dec 2006 18:13:26 -0000


JRobin 1.5.4 Released

Thu, 21 Dec 2006 18:13:26 -0000

A much overdue release of JRobin. Since the OpenNMS project started maintaining JRobin, not much as been done with the project, but the hope is that will change. This is Sasa's last release before going into that semi-retirement known as parenthood and will be included in the next unstable release of OpenNMS.

JRobin 1.4.0 released!

Tue, 03 Aug 2004 06:53:09 -0000

The high-level RRD logic was clearly separated from low-level I/O operations. By default the java.nio.\* library is now used for fast disk access, improving speed by at least 2-3 times. Support for RRDTool's XPORT command was added. The graph package now includes setResolution\(\), setLowerLimit\(\), and setLazy\(\) methods, new rendering options, a new datasource type \(SDEF\), graph template enhancements, and several new demo and utility applications.


Mon, 22 Mar 2004 10:31:39 -0000

TEMPLATES: Create your RRD files and graphs starting from XML template files. You are no longer forced to embed all database/graph creation parameters in your Java code. CORE IMPROVEMENTS: RrdToolkit class is introduced. Use it to add, update or remove datasource and archive definitions in already existing RRD files - on the fly\! RrdDbPool class has been also redesigned. STANDALONE GRAPHING ENGINE: If you don't need RRD files at all, but still have some time series to plot, JRobin could be a tool for you. UTILITIES: Greatly improved "Inspector" application. New command line utility to convert your old RRDTool files to JRobin native format in bulk.


Mon, 17 Nov 2003 08:45:31 -0000

\*RRDTool choice for the Java world\* JRobin is a 100% pure Java replacement for Tobi's ubiquitous RRDTool set of command line utilities. JRobin supports all standard operations on Round Robin Database \(RRD\) files: create, update, fetch, last, dump and graph. JRobin's API is made for those who are familiar with RRDTool's concepts and logic, but prefer to work with pure Java. If you provide the same data to RRDTool and JRobin, you will get exactly the same results and graphs. Version 1.2.0 has its own, brand new graphing engine, with many features you won't find in rrdgraph command. JRobin graphs are now almost identical to RRDTool equivalents, but more flexible and easier to customize. JRobin core library is now much smaller, without external dependencies \(JFreeChart library has been removed\). When it comes to data fetching and graph creation, JRobin is several times faster then before. JRobin 1.2.0 comes with enhanced MRTG-like demo and a new RRD file inspector.