[SOLVED] Rrd4j chart on/off function

I´m using rrd4j for on/off chart (value is only 0 or 1), but chart looks terrible, is not “binary” but some type of avarage function.
How to options rrd4j for better look of chart?

IMPORTANT

The strategy everyMinute (60 seconds) MUST be used

I think when you start looking back over previous days, you would still run into this problem with rrdj4. By design, it compresses and so averages old data.
You may need to consider another persistence DB (you can have more than one at the same time).

Have you seen this timeline tool?

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Thanks, i use mysql in persistence chart options instead rrd4j. Work like a charm.