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fn: placer stats and client context (#1322)

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For the sake of completeness and also as defensive coding,
let's record client context cancel/timeout cases. In retry
reason, if error is same as client context (timeout/cancel),
we should not report as retry due to error. Similarly in
placed calls, do not flag the placed call as error if client
canceled or timedout. We track client context timeout/cancel
separately in addition to this.
This commit is contained in:
Tolga Ceylan
2018-11-28 10:32:55 -08:00
committed by GitHub
parent 272887b1e2
commit 549ba65dea
2 changed files with 16 additions and 8 deletions
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4
api/runnerpool/placer_stats.go
View File

@@ -17,8 +17,10 @@ var (
errorPoolCountMeasure = common.MakeMeasure("lb_placer_rp_error_count", "LB Placer RunnerPool RunnerList Error Count", "")
emptyPoolCountMeasure = common.MakeMeasure("lb_placer_rp_empty_count", "LB Placer RunnerPool RunnerList Empty Count", "")
cancelCountMeasure = common.MakeMeasure("lb_placer_client_cancelled_count", "LB Placer Client Cancel Count", "")
timeoutCountMeasure = common.MakeMeasure("lb_placer_client_timeout_count", "LB Placer Client Timeout Count", "")
placerTimeoutMeasure = common.MakeMeasure("lb_placer_timeout_count", "LB Placer Timeout Count", "")
placedErrorCountMeasure = common.MakeMeasure("lb_placer_placed_error_count", "LB Placer Placed Call Count With Errors", "")
placedAbortCountMeasure = common.MakeMeasure("lb_placer_placed_abort_count", "LB Placer Placed Call Count With Client Timeout/Cancel", "")
placedOKCountMeasure = common.MakeMeasure("lb_placer_placed_ok_count", "LB Placer Placed Call Count Without Errors", "")
retryTooBusyCountMeasure = common.MakeMeasure("lb_placer_retry_busy_count", "LB Placer Retry Count - Too Busy", "")
retryErrorCountMeasure = common.MakeMeasure("lb_placer_retry_error_count", "LB Placer Retry Count - Errors", "")
@@ -70,9 +72,11 @@ func RegisterPlacerViews(tagKeys []string, latencyDist []float64) {
common.CreateView(attemptCountMeasure, view.Distribution(0, 2, 3, 4, 8, 16, 32, 64, 128, 256), tagKeys),
common.CreateView(errorPoolCountMeasure, view.Count(), tagKeys),
common.CreateView(emptyPoolCountMeasure, view.Count(), tagKeys),
common.CreateView(timeoutCountMeasure, view.Count(), tagKeys),
common.CreateView(cancelCountMeasure, view.Count(), tagKeys),
common.CreateView(placerTimeoutMeasure, view.Count(), tagKeys),
common.CreateView(placedErrorCountMeasure, view.Count(), tagKeys),
common.CreateView(placedAbortCountMeasure, view.Count(), tagKeys),
common.CreateView(placedOKCountMeasure, view.Count(), tagKeys),
common.CreateView(retryTooBusyCountMeasure, view.Count(), tagKeys),
common.CreateView(retryErrorCountMeasure, view.Count(), tagKeys),