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// Copyright 2018 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package metrics
import "github.com/prometheus/client_golang/prometheus"
// TiKVClient metrics.
var (
TiKVTxnCmdHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "txn_cmd_duration_seconds",
Help: "Bucketed histogram of processing time of txn cmds.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
}, []string{LblType})
TiKVBackoffHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "backoff_seconds",
Help: "total backoff seconds of a single backoffer.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
}, []string{LblType})
TiKVSendReqHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "request_seconds",
Help: "Bucketed histogram of sending request duration.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
}, []string{LblType, LblStore})
TiKVCoprocessorHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "cop_duration_seconds",
Help: "Run duration of a single coprocessor task, includes backoff time.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
})
TiKVLockResolverCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "lock_resolver_actions_total",
Help: "Counter of lock resolver actions.",
}, []string{LblType})
TiKVRegionErrorCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "region_err_total",
Help: "Counter of region errors.",
}, []string{LblType})
TiKVTxnWriteKVCountHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "txn_write_kv_num",
Help: "Count of kv pairs to write in a transaction.",
Buckets: prometheus.ExponentialBuckets(1, 4, 17), // 1 ~ 4G
})
TiKVTxnWriteSizeHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "txn_write_size_bytes",
Help: "Size of kv pairs to write in a transaction.",
Buckets: prometheus.ExponentialBuckets(16, 4, 17), // 16Bytes ~ 64GB
})
TiKVRawkvCmdHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "rawkv_cmd_seconds",
Help: "Bucketed histogram of processing time of rawkv cmds.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
}, []string{LblType})
TiKVRawkvSizeHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "rawkv_kv_size_bytes",
Help: "Size of key/value to put, in bytes.",
Buckets: prometheus.ExponentialBuckets(1, 2, 30), // 1Byte ~ 512MB
}, []string{LblType})
TiKVTxnRegionsNumHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "txn_regions_num",
Help: "Number of regions in a transaction.",
Buckets: prometheus.ExponentialBuckets(1, 2, 25), // 1 ~ 16M
}, []string{LblType})
TiKVLoadSafepointCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "load_safepoint_total",
Help: "Counter of load safepoint.",
}, []string{LblType})
TiKVSecondaryLockCleanupFailureCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "lock_cleanup_task_total",
Help: "failure statistic of secondary lock cleanup task.",
}, []string{LblType})
TiKVRegionCacheCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "region_cache_operations_total",
Help: "Counter of region cache.",
}, []string{LblType, LblResult})
TiKVLocalLatchWaitTimeHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "local_latch_wait_seconds",
Help: "Wait time of a get local latch.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 20), // 0.5ms ~ 262s
})
TiKVStatusDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "kv_status_api_duration",
Help: "duration for kv status api.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 20), // 0.5ms ~ 262s
}, []string{"store"})
TiKVStatusCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "kv_status_api_count",
Help: "Counter of access kv status api.",
}, []string{LblResult})
TiKVBatchWaitDuration = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_wait_duration",
Buckets: prometheus.ExponentialBuckets(1, 2, 34), // 1ns ~ 8s
Help: "batch wait duration",
})
TiKVBatchSendLatency = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_send_latency",
Buckets: prometheus.ExponentialBuckets(1, 2, 34), // 1ns ~ 8s
Help: "batch send latency",
})
TiKvBatchWaitOverLoad = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_wait_overload",
Help: "event of tikv transport layer overload",
})
TiKVBatchPendingRequests = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_pending_requests",
Buckets: prometheus.ExponentialBuckets(1, 2, 8),
Help: "number of requests pending in the batch channel",
}, []string{"store"})
TiKVBatchRequests = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_requests",
Buckets: prometheus.ExponentialBuckets(1, 2, 8),
Help: "number of requests in one batch",
}, []string{"store"})
TiKVBatchClientUnavailable = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_client_unavailable_seconds",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
Help: "batch client unavailable",
})
TiKVBatchClientWaitEstablish = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_client_wait_connection_establish",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 20), // 1ms ~ 1000s
Help: "batch client wait new connection establish",
})
TiKVRangeTaskStats = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "range_task_stats",
Help: "stat of range tasks",
}, []string{LblType, LblResult})
TiKVRangeTaskPushDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "range_task_push_duration",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 20), // 1ms ~ 524s
Help: "duration to push sub tasks to range task workers",
}, []string{LblType})
TiKVTokenWaitDuration = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_executor_token_wait_duration",
Buckets: prometheus.ExponentialBuckets(1, 2, 34), // 1ns ~ 8s
Help: "tidb txn token wait duration to process batches",
})
TiKVTxnHeartBeatHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "txn_heart_beat",
Help: "Bucketed histogram of the txn_heartbeat request duration.",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 20), // 1ms ~ 524s
}, []string{LblType})
TiKVPessimisticLockKeysDuration = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "pessimistic_lock_keys_duration",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 24), // 1ms ~ 8389s
Help: "tidb txn pessimistic lock keys duration",
})
TiKVTTLLifeTimeReachCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "ttl_lifetime_reach_total",
Help: "Counter of ttlManager live too long.",
})
TiKVNoAvailableConnectionCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "tikvclient",
Name: "batch_client_no_available_connection_total",
Help: "Counter of no available batch client.",
})
)