github.com/m3db/m3@v1.5.0/src/cmd/tools/util.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package tools
    22  
    23  import (
    24  	"github.com/m3db/m3/src/x/pool"
    25  )
    26  
    27  // NewCheckedBytesPool returns a configured (and initialized)
    28  // CheckedBytesPool with default pool values
    29  func NewCheckedBytesPool() pool.CheckedBytesPool {
    30  	bytesPoolOpts := pool.NewObjectPoolOptions().
    31  		SetRefillLowWatermark(0.05).
    32  		SetRefillHighWatermark(0.07)
    33  
    34  	bytesPool := pool.NewCheckedBytesPool([]pool.Bucket{
    35  		{
    36  			Capacity: 16,
    37  			Count:    262144,
    38  		},
    39  		{
    40  			Capacity: 32,
    41  			Count:    262144,
    42  		},
    43  		{
    44  			Capacity: 64,
    45  			Count:    262144,
    46  		},
    47  		{
    48  			Capacity: 128,
    49  			Count:    262144,
    50  		},
    51  		{
    52  			Capacity: 256,
    53  			Count:    262144,
    54  		},
    55  		{
    56  			Capacity: 1440,
    57  			Count:    262144,
    58  		},
    59  		{
    60  			Capacity: 4096,
    61  			Count:    262144,
    62  		},
    63  		{
    64  			Capacity: 8192,
    65  			Count:    65536,
    66  		},
    67  	}, bytesPoolOpts, func(s []pool.Bucket) pool.BytesPool {
    68  		return pool.NewBytesPool(s, bytesPoolOpts)
    69  	})
    70  	bytesPool.Init()
    71  	return bytesPool
    72  }