github.com/matrixorigin/matrixone@v1.2.0/pkg/perfcounter/counter_logexporter.go (about)

     1  // Copyright 2023 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package perfcounter
    16  
    17  import (
    18  	"strings"
    19  
    20  	"github.com/matrixorigin/matrixone/pkg/util/metric/stats"
    21  	"go.uber.org/zap"
    22  )
    23  
    24  type CounterLogExporter struct {
    25  	counter *CounterSet
    26  }
    27  
    28  func NewCounterLogExporter(counter *CounterSet) stats.LogExporter {
    29  	return &CounterLogExporter{
    30  		counter: counter,
    31  	}
    32  }
    33  
    34  // Export returns the fields and its values in loggable format.
    35  func (c *CounterLogExporter) Export() []zap.Field {
    36  	var fields []zap.Field
    37  
    38  	cacheHit := c.counter.FileService.Cache.Hit.LoadW()
    39  	cacheRead := c.counter.FileService.Cache.Read.LoadW()
    40  	if cacheHit != 0 && cacheRead != 0 {
    41  		fields = append(fields, zap.Any("FileService Cache Hit Rate", float64(cacheHit)/float64(cacheRead)))
    42  	}
    43  
    44  	cacheMemHit := c.counter.FileService.Cache.Memory.Hit.LoadW()
    45  	cacheMemRead := c.counter.FileService.Cache.Memory.Read.LoadW()
    46  	if cacheMemHit != 0 && cacheMemRead != 0 {
    47  		fields = append(fields, zap.Any("FileService Cache Memory Hit Rate", float64(cacheMemHit)/float64(cacheMemRead)))
    48  	}
    49  
    50  	cacheDiskHit := c.counter.FileService.Cache.Disk.Hit.LoadW()
    51  	cacheDiskRead := c.counter.FileService.Cache.Disk.Read.LoadW()
    52  	if cacheDiskHit != 0 && cacheDiskRead != 0 {
    53  		fields = append(fields, zap.Any("FileService Cache Disk Hit Rate", float64(cacheDiskHit)/float64(cacheDiskRead)))
    54  	}
    55  
    56  	cacheRemoteHit := c.counter.FileService.Cache.Remote.Hit.LoadW()
    57  	cacheRemoteRead := c.counter.FileService.Cache.Remote.Read.LoadW()
    58  	if cacheRemoteHit != 0 && cacheRemoteRead != 0 {
    59  		fields = append(fields, zap.Any("FileService Cache Remote Hit Rate", float64(cacheRemoteHit)/float64(cacheRemoteRead)))
    60  	}
    61  
    62  	// all fields in CounterSet
    63  	_ = c.counter.IterFields(func(path []string, counter *stats.Counter) error {
    64  		counterValue := counter.SwapW(0)
    65  		if counterValue != 0 {
    66  			fields = append(fields, zap.Any(strings.Join(path, "."), counterValue))
    67  		}
    68  		return nil
    69  	})
    70  
    71  	return fields
    72  }