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e7ea1d7a04
See #36122 This PR is designed to enhance log performance through two improvements: 1. Optimize JSON encoding by switching JSON serializer to `json-iterator`. 2. Adding support of lazy initialization `WithLazy`. --------- Signed-off-by: Ted Xu <ted.xu@zilliz.com>
75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 log
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import (
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"sync"
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"sync/atomic"
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"go.uber.org/zap/zapcore"
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)
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// lazyWithCore wraps zapcore.Core with lazy initialization.
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// Copied from https://github.com/uber-go/zap/issues/1426 to avoid data race.
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type lazyWithCore struct {
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corePtr atomic.Pointer[zapcore.Core]
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once sync.Once
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fields []zapcore.Field
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}
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var _ zapcore.Core = (*lazyWithCore)(nil)
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func NewLazyWith(core zapcore.Core, fields []zapcore.Field) zapcore.Core {
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d := lazyWithCore{fields: fields}
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d.corePtr.Store(&core)
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return &d
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}
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func (d *lazyWithCore) initOnce() zapcore.Core {
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core := *d.corePtr.Load()
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d.once.Do(func() {
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core = core.With(d.fields)
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d.corePtr.Store(&core)
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})
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return core
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}
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func (d *lazyWithCore) Enabled(level zapcore.Level) bool {
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// Init not needed
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return (*d.corePtr.Load()).Enabled(level)
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}
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func (d *lazyWithCore) Sync() error {
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// Init needed
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return d.initOnce().Sync()
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}
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// Write implements zapcore.Core.
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func (d *lazyWithCore) Write(entry zapcore.Entry, fields []zapcore.Field) error {
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return (*d.corePtr.Load()).Write(entry, fields)
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}
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func (d *lazyWithCore) With(fields []zapcore.Field) zapcore.Core {
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d.initOnce()
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return (*d.corePtr.Load()).With(fields)
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}
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func (d *lazyWithCore) Check(e zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
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d.initOnce()
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return (*d.corePtr.Load()).Check(e, ce)
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}
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