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metrics: Add replication latency metrics (#13515)

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Add a new Prometheus metric for bucket replication latency

e.g.:
minio_bucket_replication_latency_ns{
    bucket="testbucket",
    operation="upload",
    range="LESS_THAN_1_MiB",
    server="127.0.0.1:9001",
    targetArn="arn:minio:replication::45da043c-14f5-4da4-9316-aba5f77bf730:testbucket"} 2.2015663e+07

Co-authored-by: Klaus Post <klauspost@gmail.com>
This commit is contained in:
Anis Elleuch
2021-11-17 21:10:57 +01:00
committed by GitHub
parent 5b68f8ea6a
commit 4caed7cc0d
11 changed files with 1237 additions and 34 deletions
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cmd/metrics-v2.go
+29 -11
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@@ -99,17 +99,18 @@ const (
total MetricName = "total"
freeInodes MetricName = "free_inodes"
failedCount MetricName = "failed_count"
failedBytes MetricName = "failed_bytes"
freeBytes MetricName = "free_bytes"
readBytes MetricName = "read_bytes"
rcharBytes MetricName = "rchar_bytes"
receivedBytes MetricName = "received_bytes"
sentBytes MetricName = "sent_bytes"
totalBytes MetricName = "total_bytes"
usedBytes MetricName = "used_bytes"
writeBytes MetricName = "write_bytes"
wcharBytes MetricName = "wchar_bytes"
failedCount MetricName = "failed_count"
failedBytes MetricName = "failed_bytes"
freeBytes MetricName = "free_bytes"
readBytes MetricName = "read_bytes"
rcharBytes MetricName = "rchar_bytes"
receivedBytes MetricName = "received_bytes"
latencyMilliSec MetricName = "latency_ms"
sentBytes MetricName = "sent_bytes"
totalBytes MetricName = "total_bytes"
usedBytes MetricName = "used_bytes"
writeBytes MetricName = "write_bytes"
wcharBytes MetricName = "wchar_bytes"
usagePercent MetricName = "update_percent"
@@ -409,6 +410,16 @@ func getBucketUsageObjectsTotalMD() MetricDescription {
}
}
func getBucketRepLatencyMD() MetricDescription {
return MetricDescription{
Namespace: bucketMetricNamespace,
Subsystem: replicationSubsystem,
Name: latencyMilliSec,
Help: "Replication latency in milliseconds.",
Type: histogramMetric,
}
}
func getBucketRepFailedBytesMD() MetricDescription {
return MetricDescription{
Namespace: bucketMetricNamespace,
@@ -1482,6 +1493,13 @@ func getBucketUsageMetrics() MetricsGroup {
Value: float64(stat.FailedCount),
VariableLabels: map[string]string{"bucket": bucket, "targetArn": arn},
})
metrics = append(metrics, Metric{
Description: getBucketRepLatencyMD(),
HistogramBucketLabel: "range",
Histogram: stat.Latency.getUploadLatency(),
VariableLabels: map[string]string{"bucket": bucket, "operation": "upload", "targetArn": arn},
})
}
}