forked from m3db/m3
/
retriever_options.go
137 lines (117 loc) · 4.06 KB
/
retriever_options.go
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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package fs
import (
"errors"
"runtime"
"github.com/m3db/m3/src/dbnode/storage/block"
"github.com/m3db/m3/src/dbnode/x/xio"
"github.com/m3db/m3/src/x/ident"
"github.com/m3db/m3/src/x/pool"
)
const (
defaultRequestPoolSize = 16384
)
var (
// Allow max concurrency to match available CPUs.
defaultFetchConcurrency = runtime.NumCPU()
errBlockLeaseManagerNotSet = errors.New("block lease manager is not set")
)
type blockRetrieverOptions struct {
requestPoolOpts pool.ObjectPoolOptions
bytesPool pool.CheckedBytesPool
segmentReaderPool xio.SegmentReaderPool
fetchConcurrency int
identifierPool ident.Pool
blockLeaseManager block.LeaseManager
}
// NewBlockRetrieverOptions creates a new set of block retriever options
func NewBlockRetrieverOptions() BlockRetrieverOptions {
bytesPool := pool.NewCheckedBytesPool([]pool.Bucket{
pool.Bucket{Count: 4096, Capacity: 128},
}, nil, func(s []pool.Bucket) pool.BytesPool {
return pool.NewBytesPool(s, nil)
})
bytesPool.Init()
o := &blockRetrieverOptions{
requestPoolOpts: pool.NewObjectPoolOptions().
SetSize(defaultRequestPoolSize),
bytesPool: bytesPool,
segmentReaderPool: xio.NewSegmentReaderPool(nil),
fetchConcurrency: defaultFetchConcurrency,
identifierPool: ident.NewPool(bytesPool, ident.PoolOptions{}),
}
o.segmentReaderPool.Init()
return o
}
func (o *blockRetrieverOptions) Validate() error {
if o.blockLeaseManager == nil {
return errBlockLeaseManagerNotSet
}
return nil
}
func (o *blockRetrieverOptions) SetRequestPoolOptions(value pool.ObjectPoolOptions) BlockRetrieverOptions {
opts := *o
opts.requestPoolOpts = value
return &opts
}
func (o *blockRetrieverOptions) RequestPoolOptions() pool.ObjectPoolOptions {
return o.requestPoolOpts
}
func (o *blockRetrieverOptions) SetBytesPool(value pool.CheckedBytesPool) BlockRetrieverOptions {
opts := *o
opts.bytesPool = value
return &opts
}
func (o *blockRetrieverOptions) BytesPool() pool.CheckedBytesPool {
return o.bytesPool
}
func (o *blockRetrieverOptions) SetSegmentReaderPool(value xio.SegmentReaderPool) BlockRetrieverOptions {
opts := *o
opts.segmentReaderPool = value
return &opts
}
func (o *blockRetrieverOptions) SegmentReaderPool() xio.SegmentReaderPool {
return o.segmentReaderPool
}
func (o *blockRetrieverOptions) SetFetchConcurrency(value int) BlockRetrieverOptions {
opts := *o
opts.fetchConcurrency = value
return &opts
}
func (o *blockRetrieverOptions) FetchConcurrency() int {
return o.fetchConcurrency
}
func (o *blockRetrieverOptions) SetIdentifierPool(value ident.Pool) BlockRetrieverOptions {
opts := *o
opts.identifierPool = value
return &opts
}
func (o *blockRetrieverOptions) IdentifierPool() ident.Pool {
return o.identifierPool
}
func (o *blockRetrieverOptions) SetBlockLeaseManager(leaseMgr block.LeaseManager) BlockRetrieverOptions {
opts := *o
opts.blockLeaseManager = leaseMgr
return &opts
}
func (o *blockRetrieverOptions) BlockLeaseManager() block.LeaseManager {
return o.blockLeaseManager
}