I want to know why the last one data of ganglia rrd file is always "-nan"

ganglia / monitor-core

Ganglia Monitoring core

BSD 3-Clause "New" or "Revised" License

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Open sanguoasd opened 7 years ago

sanguoasd commented 7 years ago

/usr/bin/rrdtool/ fetch /var/lib/ganglia/rrds/ismCluster/__SummaryInfo__/cpu_idle.rrd AVERAGE --start end -435 --end now

qq 20170527105503

sanguoasd commented 7 years ago

anybody can help me ?thank you very much