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: 17.03.2011
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Raspberry PI

, 31 2017 . 12:48 +

: Raspberry PI. :





time series . , JVM heap size .


, . , - . , :



, , data retention, , .


RRD Java? RRD4J. Java, rrdtool. rrdtool RRD4J. . , rrdtool, .


, RRD. Raspberry PI:


  • . . embedded , .
  • RandomAccessFile. rrdtool , .

:


  • compact1 . RRD4J , , 2000-, visitor , org.w3c.*. rrdtool XML . RRD4J . : hard fork . , .
  • . . . . 2000-, RRD , rrdgraph crontab 5 . .png Raspberry PI . . (-, ), .

RRD4J-js


. 2017 ! , javascript . RRD , - Javascript ?


Javascript Jquery ( ?), rrd4j-js.


: RRD, flot. flot . , , rrdgraph:




. , (sic!) javascript .


, npm. , , , . , npm server-side nodejs. . : . npm. - ?



, . RRD4J. metrics compact1 . RRD4JReporter, com.codahale.metrics.ScheduledReporter .

Original source: habrahabr.ru (comments, light).

https://habrahabr.ru/post/334508/

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