/
metrics.go
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/
metrics.go
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// Copyright 2019 shimingyah. All rights reserved.
//
// Copyright 2017 Dgraph Labs, Inc. and Contributors.
//
// 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// ee the License for the specific language governing permissions and
// limitations under the License.
package util
import "expvar"
var (
// LSMSize has size of the LSM in bytes
LSMSize *expvar.Map
// VlogSize has size of the value log in bytes
VlogSize *expvar.Map
// PendingWrites tracks the number of pending writes.
PendingWrites *expvar.Map
// These are cumulative
// NumReads has cumulative number of reads
NumReads *expvar.Int
// NumWrites has cumulative number of writes
NumWrites *expvar.Int
// NumBytesRead has cumulative number of bytes read
NumBytesRead *expvar.Int
// NumBytesWritten has cumulative number of bytes written
NumBytesWritten *expvar.Int
// NumLSMGets is number of LMS gets
NumLSMGets *expvar.Map
// NumLSMBloomHits is number of LMS bloom hits
NumLSMBloomHits *expvar.Map
// NumGets is number of gets
NumGets *expvar.Int
// NumPuts is number of puts
NumPuts *expvar.Int
// NumBlockedPuts is number of blocked puts
NumBlockedPuts *expvar.Int
// NumMemtableGets is number of memtable gets
NumMemtableGets *expvar.Int
)
// These variables are global and have cumulative values for all kv stores.
func init() {
NumReads = expvar.NewInt("wisckey_disk_reads_total")
NumWrites = expvar.NewInt("wisckey_disk_writes_total")
NumBytesRead = expvar.NewInt("wisckey_read_bytes")
NumBytesWritten = expvar.NewInt("wisckey_written_bytes")
NumLSMGets = expvar.NewMap("wisckey_lsm_level_gets_total")
NumLSMBloomHits = expvar.NewMap("wisckey_lsm_bloom_hits_total")
NumGets = expvar.NewInt("wisckey_gets_total")
NumPuts = expvar.NewInt("wisckey_puts_total")
NumBlockedPuts = expvar.NewInt("wisckey_blocked_puts_total")
NumMemtableGets = expvar.NewInt("wisckey_memtable_gets_total")
LSMSize = expvar.NewMap("wisckey_lsm_size_bytes")
VlogSize = expvar.NewMap("wisckey_vlog_size_bytes")
PendingWrites = expvar.NewMap("wisckey_pending_writes_total")
}