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Add metric when history replication message is too large #6558

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merged 3 commits into from
Dec 12, 2024
Merged

Add metric when history replication message is too large #6558

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acf39b3
Add metric
bowenxia Dec 11, 2024
0e68040
reuse previously created metric scope
bowenxia Dec 11, 2024
3fbc6f8
change usage of tagged
bowenxia Dec 12, 2024
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4 changes: 4 additions & 0 deletions common/metrics/defs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1299,6 +1299,8 @@ const (
ReplicationTaskCleanupScope
// ReplicationDLQStatsScope is scope used by all metrics emitted related to replication DLQ
ReplicationDLQStatsScope
// ReplicationMessageTooLargeScope is scope used by all metrics emitted related to replication message size
ReplicationMessageTooLargeScope
// FailoverMarkerScope is scope used by all metrics emitted related to failover marker
FailoverMarkerScope
// HistoryReplicationV2TaskScope is the scope used by history task replication processing
Expand Down Expand Up @@ -2523,6 +2525,7 @@ const (
ReplicationDLQProbeFailed
ReplicationDLQSize
ReplicationDLQValidationFailed
ReplicationMessageTooLargePerShard
GetReplicationMessagesForShardLatency
GetDLQReplicationMessagesLatency
EventReapplySkippedCount
Expand Down Expand Up @@ -3217,6 +3220,7 @@ var MetricDefs = map[ServiceIdx]map[int]metricDefinition{
ReplicationDLQProbeFailed: {metricName: "replication_dlq_probe_failed", metricType: Counter},
ReplicationDLQSize: {metricName: "replication_dlq_size", metricType: Gauge},
ReplicationDLQValidationFailed: {metricName: "replication_dlq_validation_failed", metricType: Counter},
ReplicationMessageTooLargePerShard: {metricName: "replication_message_too_large_per_shard", metricType: Counter},
GetReplicationMessagesForShardLatency: {metricName: "get_replication_messages_for_shard", metricType: Timer},
GetDLQReplicationMessagesLatency: {metricName: "get_dlq_replication_messages", metricType: Timer},
EventReapplySkippedCount: {metricName: "event_reapply_skipped_count", metricType: Counter},
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3 changes: 3 additions & 0 deletions service/history/handler/handler.go
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Expand Up @@ -1601,6 +1601,9 @@ func (h *handlerImpl) GetReplicationMessages(

size := proto.FromReplicationMessages(tasks).Size()
if (responseSize + size) >= maxResponseSize {
metricsScope := h.GetMetricsClient().Scope(metrics.ReplicationMessageTooLargeScope, metrics.ShardIDTag(int(shardID)))
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@Shaddoll Shaddoll Dec 11, 2024 •
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let's reuse the metric scope returned in line 1558 with shard id tag included

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changed. I only added the shard tag inside of that if statement.

metricsScope.IncCounter(metrics.ReplicationMessageTooLargePerShard)

// Log shards that did not fit for debugging purposes
h.GetLogger().Warn("Replication messages did not fit in the response (history host)",
tag.ShardID(int(shardID)),
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