mirror of
https://github.com/prometheus/statsd_exporter.git
synced 2024-05-28 22:18:10 +00:00
more perf test
Signed-off-by: Wangchong Zhou <fffonion@gmail.com>
This commit is contained in:
Wangchong Zhou
parent
a8dcc589e5
commit
a0681a0cd2
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@ -168,8 +168,8 @@ func (f *FSM) DumpFSM(w io.Writer) {
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// TestIfNeedBacktracking test if backtrack is needed for current FSM
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func (f *FSM) TestIfNeedBacktracking(mappings []string) bool {
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needBacktrack := false
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// rule A and B that has same length and
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// A one has * in rules but is not a superset of B makes it needed for backtracking
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// A has * in rules there's other transisitions at the same state
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// this makes A the cause of backtracking
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ruleByLength := make(map[int][]string)
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ruleREByLength := make(map[int][]*regexp.Regexp)
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@ -193,14 +193,31 @@ func (f *FSM) TestIfNeedBacktracking(mappings []string) bool {
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continue
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}
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rulesRE := ruleREByLength[l]
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// for each rule r1 in rules that has * inside, check if r1 is the superset of any rules
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// if not then r1 is a rule that leads to backtrack
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for i1, r1 := range rules {
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currentRuleNeedBacktrack := true
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currentRuleNeedBacktrack := false
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re1 := rulesRE[i1]
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if re1 == nil || strings.Index(r1, "*") == -1 {
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continue
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}
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// if a rule is A.B.C.*.E.*, is there a rule A.B.C.D.x.x or A.B.C.*.E.F? (x is any string or *)
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for index := 0; index < len(r1); index++ {
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if r1[index] != '*' {
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continue
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}
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reStr := strings.Replace(r1[:index], ".", "\\.", -1)
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reStr = strings.Replace(reStr, "*", "\\*", -1)
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re := regexp.MustCompile("^" + reStr)
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for i2, r2 := range rules {
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if i2 == i1 {
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continue
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}
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if len(re.FindStringSubmatchIndex(r2)) > 0 {
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currentRuleNeedBacktrack = true
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break
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}
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}
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}
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for i2, r2 := range rules {
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if i2 != i1 && len(re1.FindStringSubmatchIndex(r2)) > 0 {
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// log if we care about ordering and the superset occurs before
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@ -212,13 +229,17 @@ func (f *FSM) TestIfNeedBacktracking(mappings []string) bool {
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}
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}
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for i2, re2 := range rulesRE {
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// especially, if r1 is a subset of other rule, we don't need backtrack
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if i2 == i1 || re2 == nil {
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continue
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}
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// if r1 is a subset of other rule, we don't need backtrack
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// because either we turned on ordering
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// or we disabled ordering and can't match it even with backtrack
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if i2 != i1 && re2 != nil && len(re2.FindStringSubmatchIndex(r1)) > 0 {
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if len(re2.FindStringSubmatchIndex(r1)) > 0 {
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currentRuleNeedBacktrack = false
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}
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}
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if currentRuleNeedBacktrack {
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log.Warnf("backtracking required because of match \"%s\", "+
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"matching performance may be degraded\n", r1)
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@ -608,7 +608,44 @@ mappings:
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}
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}
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func duplicateRules(count int, template string) string {
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rules := ""
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for i := 0; i < count; i++ {
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rules += fmt.Sprintf(template, i)
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}
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return rules
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}
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func TestPerformance(t *testing.T) {
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sampleRulesAmount := 100
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ruleTemplateSingleMatchGlob := `
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- match: metric%d.*
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name: "metric_single"
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labels:
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name: "$1"
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`
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ruleTemplateSingleMatchRegex := `
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- match: metric%d\.([^.]*)
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name: "metric_single"
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labels:
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name: "$1"
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`
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ruleTemplateMultipleMatchGlob := `
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- match: metric%d.*.*.*.*.*.*.*.*.*.*.*.*
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name: "metric_multi"
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labels:
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name: "$1-$2-$3.$4-$5-$6.$7-$8-$9.$10-$11-$12"
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`
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ruleTemplateMultipleMatchRegex := `
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- match: metric%d\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)
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name: "metric_multi"
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labels:
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name: "$1-$2-$3.$4-$5-$6.$7-$8-$9.$10-$11-$12"
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`
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scenarios := []struct {
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name string
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config string
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@ -657,50 +694,10 @@ mappings:
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job: "-"
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`,
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mappings: mappings{
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"test.dispatcher.FooProcessor.send.succeeded": {
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name: "dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {
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name: "host_dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {
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name: "tyk_http_request",
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labels: map[string]string{
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"method_and_path": "get/threads/1/posts",
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"response_code": "200",
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"apikey": "00000000",
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"apiversion": "nonversioned",
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"apiname": "discussions",
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"apiid": "a11bbcdf0ac64ec243658dc64b7100fb",
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"ipv4_t1": "172",
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"ipv4_t2": "20",
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"ipv4_t3": "0",
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"ipv4_t4": "1",
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"orgid": "12ba97b7eaa1a50001000001",
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"oauthid": "",
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},
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},
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"foo.bar": {
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name: "catchall",
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labels: map[string]string{
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"first": "foo",
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"second": "bar",
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"third": "",
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"job": "-",
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},
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},
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"test.dispatcher.FooProcessor.send.succeeded": {},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {},
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"foo.bar": {},
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"foo.bar.baz": {},
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},
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},
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@ -748,50 +745,10 @@ mappings:
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job: "-"
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`,
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mappings: mappings{
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"test.dispatcher.FooProcessor.send.succeeded": {
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name: "dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {
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name: "host_dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {
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name: "tyk_http_request",
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labels: map[string]string{
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"method_and_path": "get/threads/1/posts",
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"response_code": "200",
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"apikey": "00000000",
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"apiversion": "nonversioned",
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"apiname": "discussions",
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"apiid": "a11bbcdf0ac64ec243658dc64b7100fb",
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"ipv4_t1": "172",
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"ipv4_t2": "20",
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"ipv4_t3": "0",
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"ipv4_t4": "1",
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"orgid": "12ba97b7eaa1a50001000001",
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"oauthid": "",
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},
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},
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"foo.bar": {
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name: "catchall",
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labels: map[string]string{
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"first": "foo",
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"second": "bar",
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"third": "",
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"job": "-",
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},
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},
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"test.dispatcher.FooProcessor.send.succeeded": {},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {},
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"foo.bar": {},
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"foo.bar.baz": {},
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},
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},
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@ -846,50 +803,10 @@ mappings:
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job: "-"
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`,
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mappings: mappings{
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"test.dispatcher.FooProcessor.send.succeeded": {
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name: "dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {
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name: "host_dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {
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name: "tyk_http_request",
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labels: map[string]string{
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"method_and_path": "get/threads/1/posts",
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"response_code": "200",
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"apikey": "00000000",
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"apiversion": "nonversioned",
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"apiname": "discussions",
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"apiid": "a11bbcdf0ac64ec243658dc64b7100fb",
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"ipv4_t1": "172",
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"ipv4_t2": "20",
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"ipv4_t3": "0",
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"ipv4_t4": "1",
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"orgid": "12ba97b7eaa1a50001000001",
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"oauthid": "",
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},
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},
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"foo.bar": {
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name: "catchall",
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labels: map[string]string{
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"first": "foo",
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"second": "bar",
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"third": "",
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"job": "-",
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},
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},
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"test.dispatcher.FooProcessor.send.succeeded": {},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {},
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"foo.bar": {},
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"foo.bar.baz": {},
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},
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},
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@ -937,57 +854,241 @@ mappings:
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job: "-"
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`,
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mappings: mappings{
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"test.dispatcher.FooProcessor.send.succeeded": {
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name: "dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {
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name: "host_dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {
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name: "tyk_http_request",
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labels: map[string]string{
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"method_and_path": "get/threads/1/posts",
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"response_code": "200",
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"apikey": "00000000",
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"apiversion": "nonversioned",
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"apiname": "discussions",
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"apiid": "a11bbcdf0ac64ec243658dc64b7100fb",
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"ipv4_t1": "172",
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"ipv4_t2": "20",
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"ipv4_t3": "0",
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"ipv4_t4": "1",
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"orgid": "12ba97b7eaa1a50001000001",
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"oauthid": "",
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},
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},
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"foo.bar": {
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name: "catchall",
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labels: map[string]string{
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"first": "foo",
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"second": "bar",
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"third": "",
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"job": "-",
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},
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},
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"test.dispatcher.FooProcessor.send.succeeded": {},
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"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {},
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"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {},
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"foo.bar": {},
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"foo.bar.baz": {},
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},
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},
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{},
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{
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name: "glob single match ",
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config: `---
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mappings:
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- match: metric.*
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name: "metric_one"
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labels:
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name: "$1"
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`,
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mappings: mappings{
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"metric.aaa": {},
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"metric.bbb": {},
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},
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},
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{
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name: "regex single match",
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config: `---
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mappings:
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- match: metric\.([^.]*)
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name: "metric_one"
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match_type: regex
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labels:
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name: "$1"
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`,
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mappings: mappings{
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"metric.aaa": {},
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"metric.bbb": {},
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},
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},
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{},
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{
|
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name: "glob multiple captures",
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config: `---
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mappings:
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- match: metric.*.*.*.*.*.*.*.*.*.*.*.*
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name: "metric_multi"
|
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labels:
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name: "$1-$2-$3.$4-$5-$6.$7-$8-$9.$10-$11-$12"
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`,
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mappings: mappings{
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"metric.a.b.c.d.e.f.g.h.i.j.k.l": {},
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},
|
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},
|
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{
|
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name: "regex multiple captures",
|
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config: `---
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mappings:
|
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- match: metric\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)
|
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name: "metric_multi"
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match_type: regex
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labels:
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name: "$1-$2-$3.$4-$5-$6.$7-$8-$9.$10-$11-$12"
|
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`,
|
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mappings: mappings{
|
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"metric.a.b.c.d.e.f.g.h.i.j.k.l": {},
|
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},
|
||||
},
|
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{
|
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name: "glob multiple captures no format",
|
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config: `---
|
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mappings:
|
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- match: metric.*.*.*.*.*.*.*.*.*.*.*.*
|
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name: "metric_multi"
|
||||
labels:
|
||||
name: "$1"
|
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`,
|
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mappings: mappings{
|
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"metric.a.b.c.d.e.f.g.h.i.j.k.l": {},
|
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},
|
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},
|
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{
|
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name: "regex multiple captures no expansion",
|
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config: `---
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mappings:
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- match: metric\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)
|
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name: "metric_multi"
|
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match_type: regex
|
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labels:
|
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name: "$1"
|
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`,
|
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mappings: mappings{
|
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"metric.a.b.c.d.e.f.g.h.i.j.k.l": {},
|
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},
|
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},
|
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{},
|
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{
|
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name: "glob multiple captures in different labels",
|
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config: `---
|
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mappings:
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- match: metric.*.*.*.*.*.*.*.*.*.*.*.*
|
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name: "metric_multi"
|
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labels:
|
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label1: "$1"
|
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label2: "$2"
|
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label3: "$3"
|
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label4: "$4"
|
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label5: "$5"
|
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label6: "$6"
|
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label7: "$7"
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label8: "$8"
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label9: "$9"
|
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label10: "$10"
|
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label11: "$11"
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label12: "$12"
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`,
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mappings: mappings{
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"metric.a.b.c.d.e.f.g.h.i.j.k.l": {},
|
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},
|
||||
},
|
||||
{
|
||||
name: "regex multiple captures",
|
||||
config: `---
|
||||
mappings:
|
||||
- match: metric\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)\.([^.]*)
|
||||
name: "metric_multi"
|
||||
match_type: regex
|
||||
labels:
|
||||
label1: "$1"
|
||||
label2: "$2"
|
||||
label3: "$3"
|
||||
label4: "$4"
|
||||
label5: "$5"
|
||||
label6: "$6"
|
||||
label7: "$7"
|
||||
label8: "$8"
|
||||
label9: "$9"
|
||||
label10: "$10"
|
||||
label11: "$11"
|
||||
label12: "$12"
|
||||
`,
|
||||
mappings: mappings{
|
||||
"metric.a.b.c.d.e.f.g.h.i.j.k.l": {},
|
||||
},
|
||||
},
|
||||
{},
|
||||
{
|
||||
name: "glob 100 rules",
|
||||
config: `---
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchGlob),
|
||||
mappings: mappings{
|
||||
"metric100.a": {},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "glob 100 rules, no match",
|
||||
config: `---
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchGlob),
|
||||
mappings: mappings{
|
||||
"metricnomatchy.a": {},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "glob 100 rules without ordering, no match",
|
||||
config: `---
|
||||
defaults:
|
||||
glob_disable_ordering: true
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchGlob),
|
||||
mappings: mappings{
|
||||
"metricnomatchy.a": {},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "regex 100 rules, average case",
|
||||
config: `---
|
||||
defaults:
|
||||
match_type: regex
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchRegex),
|
||||
mappings: mappings{
|
||||
fmt.Sprintf("metric%d.a", sampleRulesAmount/2): {}, // average match position
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "regex 100 rules, worst case",
|
||||
config: `---
|
||||
defaults:
|
||||
match_type: regex
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchRegex),
|
||||
mappings: mappings{
|
||||
"metric100.a": {},
|
||||
},
|
||||
},
|
||||
{},
|
||||
{
|
||||
name: "glob 100 rules, multiple captures",
|
||||
config: `---
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateMultipleMatchGlob),
|
||||
mappings: mappings{
|
||||
"metric50.a.b.c.d.e.f.g.h.i.j.k.l": {},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "regex 100 rules, multiple captures, average case",
|
||||
config: `---
|
||||
defaults:
|
||||
match_type: regex
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateMultipleMatchRegex),
|
||||
mappings: mappings{
|
||||
fmt.Sprintf("metric%d.a.b.c.d.e.f.g.h.i.j.k.l", sampleRulesAmount/2): {}, // average match position
|
||||
},
|
||||
},
|
||||
{},
|
||||
{
|
||||
name: "glob 10 rules",
|
||||
config: `---
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchGlob),
|
||||
mappings: mappings{
|
||||
"metric50.a": {},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "regex 10 rules average case",
|
||||
config: `---
|
||||
defaults:
|
||||
match_type: regex
|
||||
mappings:` + duplicateRules(sampleRulesAmount, ruleTemplateSingleMatchRegex),
|
||||
mappings: mappings{
|
||||
fmt.Sprintf("metric%d.a", sampleRulesAmount/2): {}, // average match position
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
mapper := MetricMapper{}
|
||||
for i, scenario := range scenarios {
|
||||
if len(scenario.config) == 0 {
|
||||
fmt.Println("--------------------------------")
|
||||
continue
|
||||
}
|
||||
mapper := MetricMapper{}
|
||||
err := mapper.InitFromYAMLString(scenario.config)
|
||||
if err != nil && !scenario.configBad {
|
||||
t.Fatalf("%d. Config load error: %s %s", i, scenario.config, err)
|
||||
|
|
@ -998,12 +1099,12 @@ mappings:
|
|||
|
||||
var dummyMetricType MetricType = ""
|
||||
start := time.Now()
|
||||
for j := 1; j < 100000; j++ {
|
||||
for j := 1; j < 10000; j++ {
|
||||
for metric, _ := range scenario.mappings {
|
||||
mapper.GetMapping(metric, dummyMetricType)
|
||||
}
|
||||
}
|
||||
fmt.Printf("finished 100000 iterations for \"%s\" in %v\n", scenario.name, time.Now().Sub(start))
|
||||
fmt.Printf("finished 10000 iterations for \"%s\" in %v\n", scenario.name, time.Now().Sub(start))
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue