rrd4j 介绍
RRD4J is a 100% pure java implementation of
RRDTool’s functionality. It follows the
same logic and uses the same data sources, archive types and
deFinitions as RRDTool does. RRD4J supports all standard operations on Round
Robin Database (RRD) files: CREATE , UPDATE , FETCH , LAST ,
DUMP, XPORT and GRAPH. RRD4J’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 RRD4J, you will get exactly the same
results and graphs. RRD4J is made from the scratch and it uses very limited
portions of RRDTool’s original source code. RRD4J does not use native
functions and libraries, has no Runtime.exec() calls and does not require
RRDTool to be present. RRD4J is distributed as a software library ( jar
files) and comes with full java source code (LGPL
licence).
rrd4j 官网
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