mirror of
https://github.com/featurebasedb/featurebase.git
synced 2026-08-28 10:54:59 +00:00
102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
// Copyright 2017 Pilosa Corp.
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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 ctl
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"math/rand"
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"time"
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"github.com/pilosa/pilosa"
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)
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// BenchCommand represents a command for benchmarking index operations.
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type BenchCommand struct {
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// Destination host and port.
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Host string
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// Name of the index & frame to execute against.
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Index string
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Frame string
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// Type of operation and number to execute.
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Op string
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N int
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// Standard input/output
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*pilosa.CmdIO
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}
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// NewBenchCommand returns a new instance of BenchCommand.
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func NewBenchCommand(stdin io.Reader, stdout, stderr io.Writer) *BenchCommand {
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return &BenchCommand{
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CmdIO: pilosa.NewCmdIO(stdin, stdout, stderr),
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}
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}
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// Run executes the bench command.
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func (cmd *BenchCommand) Run(ctx context.Context) error {
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// Create a client to the server.
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client, err := pilosa.NewClient(cmd.Host)
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if err != nil {
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return err
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}
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switch cmd.Op {
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case "set-bit":
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return cmd.runSetBit(ctx, client)
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case "":
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return errors.New("op required")
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default:
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return fmt.Errorf("unknown bench op: %q", cmd.Op)
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}
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}
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// runSetBit executes a benchmark of random SetBit() operations.
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func (cmd *BenchCommand) runSetBit(ctx context.Context, client *pilosa.Client) error {
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if cmd.N == 0 {
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return errors.New("operation count required")
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} else if cmd.Index == "" {
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return pilosa.ErrIndexRequired
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} else if cmd.Frame == "" {
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return pilosa.ErrFrameRequired
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}
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const maxRowID = 1000
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const maxColumnID = 100000
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startTime := time.Now()
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// Execute operation continuously.
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for i := 0; i < cmd.N; i++ {
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rowID := rand.Intn(maxRowID)
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columnID := rand.Intn(maxColumnID)
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q := fmt.Sprintf(`SetBit(id=%d, frame="%s", columnID=%d)`, rowID, cmd.Frame, columnID)
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if _, err := client.ExecuteQuery(ctx, cmd.Index, q, true); err != nil {
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return err
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}
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}
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// Print results.
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elapsed := time.Since(startTime)
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fmt.Fprintf(cmd.Stdout, "Executed %d operations in %s (%0.3f op/sec)\n", cmd.N, elapsed, float64(cmd.N)/elapsed.Seconds())
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return nil
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}
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