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3df7285c3c
This PR adds support below metrics - Cache Hit Count - Cache Miss Count - Data served from Cache (in Bytes) - Bytes received from AWS S3 - Bytes sent to AWS S3 - Number of requests sent to AWS S3 Fixes #8549
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"go.uber.org/atomic"
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)
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// CacheStats - represents bytes served from cache,
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// cache hits and cache misses.
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type CacheStats struct {
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BytesServed atomic.Uint64
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Hits atomic.Uint64
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Misses atomic.Uint64
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}
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// Increase total bytes served from cache
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func (s *CacheStats) incBytesServed(n int64) {
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s.BytesServed.Add(uint64(n))
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}
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// Increase cache hit by 1
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func (s *CacheStats) incHit() {
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s.Hits.Add(uint64(1))
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}
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// Increase cache miss by 1
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func (s *CacheStats) incMiss() {
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s.Misses.Add(uint64(1))
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}
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// Get total bytes served
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func (s *CacheStats) getBytesServed() uint64 {
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return s.BytesServed.Load()
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}
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// Get total cache hits
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func (s *CacheStats) getHits() uint64 {
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return s.Hits.Load()
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}
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// Get total cache misses
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func (s *CacheStats) getMisses() uint64 {
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return s.Misses.Load()
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}
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// Prepare new CacheStats structure
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func newCacheStats() *CacheStats {
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return &CacheStats{}
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}
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