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49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
// Copyright 2018 The CubeFS Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package log
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const (
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// DefaultRotateSize Specifies at what size to rotate the output log at
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// Units: byte
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DefaultRotateSize = 1 * 1024 * 1024 * 1024
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DefaultMinRotateSize = 200 * 1024 * 1024
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// DefaultHeadRoom The tolerance for the log space limit (in megabytes)
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DefaultHeadRoom = 50 * 1024
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// DefaultHeadRatio The disk reserve space ratio
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DefaultHeadRatio = 0.2
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DefaultLogLeftSpaceLimitRatio = 0.05
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)
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// LogRotate A log can be rotated by the size or time.
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type LogRotate struct {
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rotateSize int64 // the size of the rotated log
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headRoom int64 // capacity reserved for writing the next log on the disk
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}
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// NewLogRotate returns a new LogRotate instance.
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func NewLogRotate() *LogRotate {
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return &LogRotate{}
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}
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// SetRotateSizeMb sets the rotate size in terms of MB.
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func (r *LogRotate) SetRotateSizeMb(size int64) {
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r.rotateSize = size
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}
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// SetHeadRoomMb sets the headroom in terms of MB.
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func (r *LogRotate) SetHeadRoomMb(size int64) {
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r.headRoom = size
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}
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