Question #165184 on Graphite changed:
https://answers.launchpad.net/graphite/+question/165184
Status: Open => Answered
Nicholas Leskiw proposed the following answer:
Hello,
1.) Graphite can render many days, weeks, months, even years.
2.) I do not believe that it is correct.
You need to adjust the retention rate.
Use this:
retentions = 5:120960
The second number is the number of datapoints to save. So, to save 1
week's worth of data, every 5 seconds:
60 sec * 60 min * 24 hours * 7 days = 604,800 seconds in one week.
604,800 / 5 sec = 120,960 datapoints.
Once you change the storage-schemas.conf file you need to erase the .wsp files
in /opt/graphite/storage/ or use the whisper-resizse.py utility to change their
retention rate.
3.) It is not adjusted - it is set when the wsp file is created, then it
wraps around to the beginning of the file and overwrites existing data
once it reaches the end of the file.
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