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

Question

sanguoasd opened this issue 7 years ago · 1 comments

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

Answer 1 · 2017-06-01T03:23:43.000Z

anybody can help me ?thank you very much