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Use FieldList in basicstats to improve performance (#4741)

This commit is contained in:
Daniel Nelson 2018-09-26 19:08:46 -07:00 committed by GitHub
parent 38e5e103ce
commit 54e61aa78a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 9 deletions
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18
plugins/aggregators/basicstats/basicstats.go
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@ -72,9 +72,9 @@ func (m *BasicStats) Add(in telegraf.Metric) {
tags: in.Tags(),
fields: make(map[string]basicstats),
}
for k, v := range in.Fields() {
if fv, ok := convert(v); ok {
a.fields[k] = basicstats{
for _, field := range in.FieldList() {
if fv, ok := convert(field.Value); ok {
a.fields[field.Key] = basicstats{
count: 1,
min: fv,
max: fv,
@ -86,11 +86,11 @@ func (m *BasicStats) Add(in telegraf.Metric) {
}
m.cache[id] = a
} else {
for k, v := range in.Fields() {
if fv, ok := convert(v); ok {
if _, ok := m.cache[id].fields[k]; !ok {
for _, field := range in.FieldList() {
if fv, ok := convert(field.Value); ok {
if _, ok := m.cache[id].fields[field.Key]; !ok {
// hit an uncached field of a cached metric
m.cache[id].fields[k] = basicstats{
m.cache[id].fields[field.Key] = basicstats{
count: 1,
min: fv,
max: fv,
@ -101,7 +101,7 @@ func (m *BasicStats) Add(in telegraf.Metric) {
continue
}
tmp := m.cache[id].fields[k]
tmp := m.cache[id].fields[field.Key]
//https://en.m.wikipedia.org/wiki/Algorithms_for_calculating_variance
//variable initialization
x := fv
@ -126,7 +126,7 @@ func (m *BasicStats) Add(in telegraf.Metric) {
//sum compute
tmp.sum += fv
//store final data
m.cache[id].fields[k] = tmp
m.cache[id].fields[field.Key] = tmp
}
}
}