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https://github.com/prometheus/prometheus
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d1d2566055
* remote/read_handler: pool input to Marshal() Use a sync.Pool to reuse byte slices between calls to Marshal() in the remote read handler. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com> * remote: add microbenchmark for remote read handler Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com> Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com>
35 lines
1.0 KiB
Go
35 lines
1.0 KiB
Go
// Copyright 2020 The Prometheus Authors
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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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package prompb
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import (
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"sync"
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)
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func (m Sample) T() int64 { return m.Timestamp }
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func (m Sample) V() float64 { return m.Value }
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func (r *ChunkedReadResponse) PooledMarshal(p *sync.Pool) ([]byte, error) {
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size := r.Size()
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data, ok := p.Get().(*[]byte)
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if ok && cap(*data) >= size {
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n, err := r.MarshalToSizedBuffer((*data)[:size])
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if err != nil {
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return nil, err
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}
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return (*data)[:n], nil
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}
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return r.Marshal()
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}
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