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I am looking for a monitoring system like Cacti which doesn't loose data over a time, all the tools I have found use rrd files which averages the data as time goes by.
I would like a to be able to go back to (for example) April 1 at 12:00 and see what the data captured at that time was, not what the average was for that whole day.

Is there a monitoring system which can do this?

Epaphus
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2 Answers2

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OpenTSDB can do what you want but, as pointed out in the comments, disk requirements are pretty big.

Nupraptor
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From the question tags I guess you checked both Nagios and Zabbix.

In Zabbix, all monitored items come with a given predefined

  • history (the amount of time the raw data will be kept, for most of the items, 90 days)
  • trends (the amount of time an hourly average will be kept, for most of the items, 365 days, used to generate longer term graphs.)

you can can customize both, item by item. The 70k+ items I'm monitoring are currently consuming ~5Gb in the DB.

It rolls with any of the following DB backend:
MySQL, Oracle, PostgreSQL, DB2

Joao Figueiredo
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