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https://github.com/featurebasedb/featurebase.git
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119 lines
3.2 KiB
Go
119 lines
3.2 KiB
Go
package bench
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import (
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"context"
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"flag"
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"fmt"
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"io/ioutil"
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"strings"
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"time"
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)
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// RandomQuery queries randomly and deterministically based on a seed.
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type RandomQuery struct {
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HasClient
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Name string `json:"name"`
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MaxDepth int `json:"max-depth"`
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MaxArgs int `json:"max-args"`
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MaxN int `json:"max-n"`
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BaseBitmapID int64 `json:"base-bitmap-id"`
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BitmapIDRange int64 `json:"bitmap-id-range"`
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Iterations int `json:"iterations"`
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Seed int64 `json:"seed"`
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DBs []string `json:"dbs"`
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}
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// Init adds the agent num to the random seed and initializes the client.
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func (b *RandomQuery) Init(hosts []string, agentNum int) error {
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b.Name = "random-query"
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b.Seed = b.Seed + int64(agentNum)
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return b.HasClient.Init(hosts, agentNum)
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}
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// Usage returns the usage message to be printed.
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func (b *RandomQuery) Usage() string {
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return `
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random-query constructs random queries
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Agent number modifies the random seed.
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Usage: random-query [arguments]
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The following arguments are available:
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-max-depth int
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Maximum nesting depth of queries
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-max-args int
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Maximum number of args for Union/Intersect/Difference Queries
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-max-n int
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Maximum N value for TopN queries.
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-base-bitmap-id int
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bitmap id to start from
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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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-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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-dbs string
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Comma separated list of DBs to query against
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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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-content-type string
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protobuf or pql
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`[1:]
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}
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// ConsumeFlags parses all flags up to the next non flag argument (argument does
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// not start with "-" and isn't the value of a flag). It returns the remaining
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// args.
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func (b *RandomQuery) ConsumeFlags(args []string) ([]string, error) {
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fs := flag.NewFlagSet("RandomQuery", flag.ContinueOnError)
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fs.SetOutput(ioutil.Discard)
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fs.IntVar(&b.MaxDepth, "max-depth", 4, "")
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fs.IntVar(&b.MaxArgs, "max-args", 4, "")
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fs.IntVar(&b.MaxN, "max-n", 4, "")
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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.Seed, "seed", 1, "")
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fs.IntVar(&b.Iterations, "iterations", 100, "")
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var dbs string
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fs.StringVar(&dbs, "dbs", "benchdb", "")
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fs.StringVar(&b.ClientType, "client-type", "single", "")
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fs.StringVar(&b.ContentType, "content-type", "protobuf", "")
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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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b.DBs = strings.Split(dbs, ",")
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return fs.Args(), nil
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}
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// Run runs the RandomQuery benchmark
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func (b *RandomQuery) Run(ctx context.Context) map[string]interface{} {
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results := make(map[string]interface{})
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if b.client == nil {
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results["error"] = fmt.Errorf("No client set for RandomQuery")
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return results
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}
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qm := NewQueryGenerator(b.Seed)
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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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call := qm.Random(b.MaxN, b.MaxDepth, b.MaxArgs, uint64(b.BaseBitmapID), uint64(b.BitmapIDRange))
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start = time.Now()
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b.ExecuteQuery(b.ContentType, b.DBs[n%len(b.DBs)], call.String(), ctx)
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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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