mirror of
https://github.com/featurebasedb/featurebase.git
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33cbdba642
Also fix a few ignored errors, an issue with pilosactl usage string, a broken test, and a mistaken import.
100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package bench
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import (
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"fmt"
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"flag"
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"io/ioutil"
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"context"
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"math/rand"
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"time"
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)
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// RandomSetBits sets bits randomly and deterministically based on a seed.
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type RandomSetBits struct {
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HasClient
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BaseBitmapID int64
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BaseProfileID int64
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BitmapIDRange int64
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ProfileIDRange int64
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Iterations int // number of bits that will be set
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Seed int64
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DB string // DB to use in pilosa.
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}
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func (b *RandomSetBits) Usage() string {
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return `
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random-set-bits sets random bits
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Usage: random-set-bits [arguments]
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The following arguments are available:
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-base-bitmap-id int
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bits being set will all be greater than BaseBitmapID
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-bitmap-id-range int
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number of possible bitmap ids that can be set
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-base-profile-id int
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profile id num to start from
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-profile-id-range int
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number of possible profile ids that can be set
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-iterations int
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number of bits to set
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-seed int
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Seed for RNG
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-db string
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pilosa db to use
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-client-type string
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Can be 'single' (all agents hitting one host) or 'round_robin'
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`[1:]
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}
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func (b *RandomSetBits) ConsumeFlags(args []string) ([]string, error) {
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fs := flag.NewFlagSet("RandomSetBits", flag.ContinueOnError)
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fs.SetOutput(ioutil.Discard)
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fs.Int64Var(&b.BaseBitmapID, "base-bitmap-id", 0, "")
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fs.Int64Var(&b.BitmapIDRange, "bitmap-id-range", 100000, "")
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fs.Int64Var(&b.BaseProfileID, "base-profile-id", 0, "")
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fs.Int64Var(&b.ProfileIDRange, "profile-id-range", 100000, "")
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fs.Int64Var(&b.Seed, "seed", 1, "")
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fs.IntVar(&b.Iterations, "iterations", 100, "")
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fs.StringVar(&b.DB, "db", "benchdb", "")
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fs.StringVar(&b.ClientType, "client-type", "single", "")
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if err := fs.Parse(args); err != nil {
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return nil, err
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}
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return fs.Args(), nil
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}
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// Run runs the RandomSetBits benchmark
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func (b *RandomSetBits) Run(ctx context.Context, agentNum int) map[string]interface{} {
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src := rand.NewSource(b.Seed + int64(agentNum))
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rng := rand.New(src)
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results := make(map[string]interface{})
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if b.cli == nil {
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results["error"] = fmt.Errorf("No client set for RandomSetBits agent: %v", agentNum)
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return results
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}
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s := NewStats()
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var start time.Time
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for n := 0; n < b.Iterations; n++ {
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bitmapID := rng.Int63n(b.BitmapIDRange)
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profID := rng.Int63n(b.ProfileIDRange)
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query := fmt.Sprintf("SetBit(%d, 'frame.n', %d)", b.BaseBitmapID+bitmapID, b.BaseProfileID+profID)
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start = time.Now()
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b.cli.ExecuteQuery(ctx, b.DB, query, true)
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s.Add(time.Now().Sub(start))
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}
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AddToResults(s, results)
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return results
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}
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