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agent_options.go
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agent_options.go
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// Copyright (c) 2017 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 agent
import (
"github.com/m3db/m3/src/m3nsch"
"github.com/m3db/m3/src/x/instrument"
xtime "github.com/m3db/m3/src/x/time"
)
var (
// avg latency per m3db write op is ~1 ms when the CPU is under load
// so liberally, we set MaxWorkerQPS at ~ 10K writes per sec
defaultMaxWorkerQPS = int64(10000)
// defaultConcurrency is the default number of go routines used during
// load generation
defaultConcurrency = int(2000)
// defaultTimeUnit is the default unit of time used during load operations
defaultTimeUnit = xtime.Second
)
type agentOpts struct {
iopts instrument.Options
maxWorkerQPS int64
concurrency int
newSessionFn m3nsch.NewSessionFn
timeUnit xtime.Unit
}
// NewOptions returns a new AgentOptions object with default values
func NewOptions(
iopts instrument.Options,
) m3nsch.AgentOptions {
return &agentOpts{
iopts: iopts,
maxWorkerQPS: defaultMaxWorkerQPS,
concurrency: defaultConcurrency,
timeUnit: defaultTimeUnit,
}
}
func (so *agentOpts) SetInstrumentOptions(iopts instrument.Options) m3nsch.AgentOptions {
so.iopts = iopts
return so
}
func (so *agentOpts) InstrumentOptions() instrument.Options {
return so.iopts
}
func (so *agentOpts) SetMaxWorkerQPS(qps int64) m3nsch.AgentOptions {
so.maxWorkerQPS = qps
return so
}
func (so *agentOpts) MaxWorkerQPS() int64 {
return so.maxWorkerQPS
}
func (so *agentOpts) SetConcurrency(c int) m3nsch.AgentOptions {
so.concurrency = c
return so
}
func (so *agentOpts) Concurrency() int {
return so.concurrency
}
func (so *agentOpts) SetNewSessionFn(fn m3nsch.NewSessionFn) m3nsch.AgentOptions {
so.newSessionFn = fn
return so
}
func (so *agentOpts) NewSessionFn() m3nsch.NewSessionFn {
return so.newSessionFn
}
func (so *agentOpts) SetTimeUnit(u xtime.Unit) m3nsch.AgentOptions {
so.timeUnit = u
return so
}
func (so *agentOpts) TimeUnit() xtime.Unit {
return so.timeUnit
}