73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
// Copyright 2023 PingCAP, Inc.
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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 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 util
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import (
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"math"
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"time"
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"github.com/ngaut/pools"
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"github.com/tiancaiamao/gp"
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)
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// SessionPool is used to recycle sessionctx.
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type SessionPool interface {
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Get() (pools.Resource, error)
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Put(pools.Resource)
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}
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// Pool is used to reuse goroutine and session.
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type Pool interface {
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// GPool returns the goroutine pool.
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GPool() *gp.Pool
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// SPool returns the session pool.
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SPool() SessionPool
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// Close closes the goroutine pool.
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Close()
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}
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var _ Pool = (*pool)(nil)
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type pool struct {
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// This gpool is used to reuse goroutine in the mergeGlobalStatsTopN.
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gpool *gp.Pool
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pool SessionPool
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}
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// NewPool creates a new Pool.
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func NewPool(p SessionPool) Pool {
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return &pool{
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gpool: gp.New(math.MaxInt16, time.Minute),
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pool: p,
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}
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}
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// GPool returns the goroutine pool.
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func (p *pool) GPool() *gp.Pool {
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return p.gpool
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}
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// SPool returns the session pool.
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func (p *pool) SPool() SessionPool {
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return p.pool
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}
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// Close close the goroutine pool.
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func (p *pool) Close() {
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p.gpool.Close()
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}
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