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Transcode success rate metric fixes #2684

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merged 5 commits into from Jan 13, 2023
Merged

Transcode success rate metric fixes #2684

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bae5211
additonal monitoring to include these failure scenarios in success me…
mjh1 Dec 9, 2022
abd1334
add todo
mjh1 Dec 12, 2022
eeba96a
Merge branch 'master' into mh/success-metric
mjh1 Jan 6, 2023
4cb8226
Revert "add todo"
mjh1 Jan 11, 2023
21d0e09
pending changelog
mjh1 Jan 12, 2023
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1 change: 1 addition & 0 deletions CHANGELOG_PENDING.md
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Expand Up @@ -23,6 +23,7 @@

#### Broadcaster
- \#2709 Add logging for high keyframe interval, reduce log level for discovery loop
- \#2684 Fix transcode success rate metric

#### Orchestrator

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3 changes: 3 additions & 0 deletions monitor/census.go
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Expand Up @@ -48,6 +48,9 @@ const (
SegmentTranscodeErrorSaveData SegmentTranscodeError = "SaveData"
SegmentTranscodeErrorSessionEnded SegmentTranscodeError = "SessionEnded"
SegmentTranscodeErrorDuplicateSegment SegmentTranscodeError = "DuplicateSegment"
SegmentTranscodeErrorMaxAttempts SegmentTranscodeError = "MaxAttempts"
SegmentTranscodeErrorNonRetryable SegmentTranscodeError = "NonRetryable"
SegmentTranscodeErrorCtxCancelled SegmentTranscodeError = "CtxCancelled"

numberOfSegmentsToCalcAverage = 30
gweiConversionFactor = 1000000000
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9 changes: 9 additions & 0 deletions server/broadcast.go
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Expand Up @@ -923,11 +923,17 @@ func processSegment(ctx context.Context, cxn *rtmpConnection, seg *stream.HLSSeg
}
if isNonRetryableError(err) {
clog.Warningf(ctx, "Not retrying current segment due to non-retryable error err=%q", err)
if monitor.Enabled {
monitor.SegmentTranscodeFailed(ctx, monitor.SegmentTranscodeErrorNonRetryable, nonce, seg.SeqNo, err, true)
}
break
}
if ctxErr := ctx.Err(); ctxErr != nil {
err = ctxErr
clog.Warningf(ctx, "Not retrying current segment due to context cancellation err=%q", err)
if monitor.Enabled {
monitor.SegmentTranscodeFailed(ctx, monitor.SegmentTranscodeErrorCtxCancelled, nonce, seg.SeqNo, err, true)
}
break
}
// recoverable error, retry
Expand All @@ -950,6 +956,9 @@ func processSegment(ctx context.Context, cxn *rtmpConnection, seg *stream.HLSSeg
}
if len(attempts) == MaxAttempts && err != nil {
err = fmt.Errorf("Hit max transcode attempts: %w", err)
if monitor.Enabled {
monitor.SegmentTranscodeFailed(ctx, monitor.SegmentTranscodeErrorMaxAttempts, nonce, seg.SeqNo, err, true)
}
}
return urls, err
}
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