Whe i use telegraf to save our Diskio Perf data i get fantastic Value from read
or write Bytes. From one Disk we see over 1/Tbsec
i use this Metrics in Grafana:
SELECT non_negative_derivative(mean("write_bytes"), 10s) FROM "diskio" WHERE
"host" =~ /^$host$/ AND "name" =~ /dm-/ AND $timeFilter GROUP BY time(10s),
"name" fill(none)
--
UNIT Bytes/sec
---
in influx cmd shell i see this value:
SELECT non_negative_derivative(mean(write_bytes), 1s) FROM
telegraf."default".diskio WHERE host =~ /^HF4$/ AND "name" = 'dm-7' AND time >
now() - 5m GROUP BY time(10s), "name"
name: diskio
tags: name=dm-7
time non_negative_derivative
---- -----------------------
1481288660000000000 1.11307759616e+11
1481288680000000000 0
1481288690000000000 1.113077608448e+11
1481288710000000000 0
1481288720000000000 0
1481288730000000000 0
1481288740000000000 0
1481288750000000000 0
1481288760000000000 0
1481288770000000000 0
1481288780000000000 0
1481288790000000000 1.11307905024e+11
1481288810000000000 1.113079054336e+11
1481288830000000000 0
1481288840000000000 1.113079422976e+11
1481288860000000000 0
1481288870000000000 1.113079427072e+11
1481288880000000000 3276.8
1481288900000000000 0
1481288910000000000 0
1481288920000000000 0
1481288930000000000 1.11307978752e+11
1481288950000000000 0
---
SELECT write_bytes FROM telegraf."default".diskio WHERE host =~ /^HF4$/ AND
"name" = 'dm-7' AND time > now() - 5m
name: diskio
time write_bytes
---- -----------
1481288790000000000 1113197735936
1481288800000000000 118685696
1481288810000000000 1113197740032
1481288820000000000 118685696
1481288830000000000 118685696
1481288840000000000 1113198108672
1481288850000000000 118685696
1481288860000000000 118685696
1481288870000000000 1113198112768
1481288880000000000 1113198145536
1481288890000000000 118685696
1481288900000000000 118685696
1481288910000000000 118685696
1481288920000000000 118685696
1481288930000000000 1113198473216
1481288940000000000 118685696
1481288950000000000 118685696
1481288960000000000 1113198845952
1481288970000000000 118685696
1481288980000000000 118685696
1481288990000000000 1113198850048
1481289000000000000 1113198870528
1481289010000000000 118685696
1481289020000000000 118685696
1481289030000000000 1113199206400
1481289040000000000 118685696
1481289050000000000 118685696
1481289060000000000 118685696
1481289070000000000 118685696
1481289080000000000 118685696
---
telegraf-1.1.1-1.x86_64
Grafana 4.01
--
Remember to include the version number!
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