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cmd_processor.go
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/
cmd_processor.go
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package main
import (
"encoding/csv"
"fmt"
"github.com/RediSearch/ftsb/benchmark_runner"
"github.com/mediocregopher/radix/v3"
"log"
"strconv"
"strings"
"sync"
"time"
)
type processor struct {
rows chan string
cmdChan chan benchmark_runner.Stat
wg *sync.WaitGroup
vanillaClient *radix.Pool
vanillaCluster *radix.Cluster
clusterTopo radix.ClusterTopo
}
func (p *processor) Init(workerNumber int, _ bool, totalWorkers int) {
var err error = nil
if clusterMode {
poolFunc := func(network, addr string) (radix.Client, error) {
return radix.NewPool(network, addr, 1, radix.PoolPipelineWindow(time.Duration(0), 0))
}
// We dont want the cluster to sync during the benchmark so we increase the sync time to a large value ( and do the sync CLUSTER SLOTS ) prior
p.vanillaCluster, err = radix.NewCluster([]string{host}, radix.ClusterPoolFunc(poolFunc), radix.ClusterSyncEvery(1*time.Hour))
if err != nil {
log.Fatalf("Error preparing for redisearch ingestion, while creating new cluster connection. error = %v", err)
}
err = p.vanillaCluster.Sync()
if err != nil {
log.Fatalf("Error retrieving cluster topology. error = %v", err)
}
p.clusterTopo = p.vanillaCluster.Topo()
} else {
// add randomness on ping interval
//pingInterval := (20+rand.Intn(10))*1000000000
// We dont want PING to be issed from 5 to 5 seconds given that we know the connection is alive on the benchmark
p.vanillaClient, err = radix.NewPool("tcp", host, 1, radix.PoolPipelineWindow(0, 0), radix.PoolPingInterval(1*time.Hour))
if err != nil {
log.Fatalf("Error preparing for redisearch ingestion, while creating new pool. error = %v", err)
}
}
}
func connectionProcessor(p *processor) {
cmdSlots := make([][]radix.CmdAction, 0, 0)
timesSlots := make([][]time.Time, 0, 0)
clusterSlots := make([][2]uint16, 0, 0)
clusterAddr := make([]string, 0, 0)
slotP := 0
if !clusterMode {
cmdSlots = append(cmdSlots, make([]radix.CmdAction, 0, 0))
timesSlots = append(timesSlots, make([]time.Time, 0, 0))
} else {
for _, ClusterNode := range p.clusterTopo {
for _, slot := range ClusterNode.Slots {
clusterSlots = append(clusterSlots, slot)
cmdSlots = append(cmdSlots, make([]radix.CmdAction, 0, 0))
timesSlots = append(timesSlots, make([]time.Time, 0, 0))
clusterAddr = append(clusterAddr, ClusterNode.Addr)
}
}
}
for row := range p.rows {
cmdType, cmdQueryId, keyPos, cmd, key, clusterSlot, docFields, bytelen, _ := preProcessCmd(row)
for i, sArr := range clusterSlots {
if clusterSlot >= sArr[0] && clusterSlot < sArr[1] {
slotP = i
}
}
if debug > 2 {
fmt.Println(keyPos, key, clusterSlot, cmd, slotP, clusterSlots)
}
if !clusterMode {
cmdSlots[slotP], timesSlots[slotP] = sendFlatCmd(p, p.vanillaClient, cmdType, cmdQueryId, cmd, docFields, bytelen, 1, cmdSlots[slotP], timesSlots[slotP])
} else {
client, _ := p.vanillaCluster.Client(clusterAddr[slotP])
cmdSlots[slotP], timesSlots[slotP] = sendFlatCmd(p, client, cmdType, cmdQueryId, cmd, docFields, bytelen, 1, cmdSlots[slotP], timesSlots[slotP])
}
}
p.wg.Done()
}
func getRxLen(v interface{}) (res uint64) {
res = 0
switch x := v.(type) {
case []string:
for _, i := range x {
res += uint64(len(i))
}
case string:
res += uint64(len(x))
default:
res = 0
}
return
}
func sendFlatCmd(p *processor, client radix.Client, cmdType, cmdQueryId, cmd string, docfields []string, txBytesCount, insertCount uint64, cmds []radix.CmdAction, times []time.Time) ([]radix.CmdAction, []time.Time) {
var err error = nil
var rcv interface{}
rxBytesCount := uint64(0)
var radixFlatCmd = radix.Cmd(nil, cmd, docfields...)
cmds = append(cmds, radixFlatCmd)
start := time.Now()
times = append(times, start)
cmds, times = sendIfRequired(p, client, cmdType, cmdQueryId, cmds, err, times, rxBytesCount, rcv, txBytesCount)
return cmds, times
}
func sendIfRequired(p *processor, client radix.Client, cmdType string, cmdQueryId string, cmds []radix.CmdAction, err error, times []time.Time, rxBytesCount uint64, rcv interface{}, txBytesCount uint64) ([]radix.CmdAction, []time.Time) {
cmdLen := len(cmds)
if cmdLen >= pipeline {
if cmdLen == 1 {
// if pipeline is 1 no need to pipeline
err = client.Do(cmds[0])
} else {
err = client.Do(radix.Pipeline(cmds...))
}
endT := time.Now()
if err != nil {
if continueOnErr {
if debug > 0 {
log.Println(fmt.Sprintf("Received an error with the following command(s): %v, error: %v", cmds, err))
}
} else {
log.Fatal(err)
}
}
for _, t := range times {
duration := endT.Sub(t)
took := uint64(duration.Microseconds())
rxBytesCount += getRxLen(rcv)
stat := benchmark_runner.NewStat().AddEntry([]byte(cmdType), []byte(cmdQueryId), took, false, false, txBytesCount, rxBytesCount)
p.cmdChan <- *stat
}
cmds = nil
cmds = make([]radix.CmdAction, 0, 0)
times = nil
times = make([]time.Time, 0, 0)
}
return cmds, times
}
// ProcessBatch reads eventsBatches which contain rows of databuild for FT.ADD redis command string
func (p *processor) ProcessBatch(b benchmark_runner.Batch, doLoad bool) (outstat benchmark_runner.Stat) {
outstat = *benchmark_runner.NewStat()
events := b.(*eventsBatch)
rowCnt := uint64(len(events.rows))
if doLoad {
buflen := rowCnt + 1
p.cmdChan = make(chan benchmark_runner.Stat, buflen)
p.wg = &sync.WaitGroup{}
p.rows = make(chan string, buflen)
p.wg.Add(1)
go connectionProcessor(p)
for _, row := range events.rows {
p.rows <- row
}
close(p.rows)
p.wg.Wait()
close(p.cmdChan)
for cmdStat := range p.cmdChan {
outstat.Merge(cmdStat)
}
}
events.rows = events.rows[:0]
ePool.Put(events)
return
}
func (p *processor) Close(_ bool) {
}
func preProcessCmd(row string) (cmdType string, cmdQueryId string, keyPos int, cmd string, key string, clusterSlot uint16, args []string, bytelen uint64, err error) {
reader := csv.NewReader(strings.NewReader(row))
argsStr, err := reader.Read()
if err != nil {
return
}
// we need at least the cmdType and command
if len(argsStr) >= 3 {
cmdType = argsStr[0]
cmdQueryId = argsStr[1]
keyPos, _ = strconv.Atoi(argsStr[2])
keyPos = keyPos+3
cmd = argsStr[3]
if len(argsStr) > 4 {
args = argsStr[4:]
key = argsStr[keyPos]
clusterSlot = radix.ClusterSlot([]byte(key))
}
bytelen = uint64(len(row)) - uint64(len(cmdType))
} else {
err = fmt.Errorf("input string does not have the minimum required size of 2: %s", row)
}
return
}