func benchmarkWrites(db storage.Engine, c *Config, points int) int {
writesChan := make([]chan []storage.Write, c.threads)
for i := range writesChan {
writesChan[i] = make(chan []storage.Write, 1)
}
count := 0
p := points
go func() {
defer func() {
for _, ch := range writesChan {
close(ch)
}
}()
for {
for _, ch := range writesChan {
w := c.MakeBatch()
ch <- w
l := len(w)
count += l
p -= l
if p <= 0 {
return
}
}
}
}()
wg := sync.WaitGroup{}
for i := 0; i < c.threads; i++ {
wg.Add(1)
go func(idx int) {
defer wg.Done()
for w := range writesChan[idx] {
if err := db.BatchPut(w); err != nil {
panic(err)
}
fmt.Print(".")
}
}(i)
}
wg.Wait()
fmt.Printf("\n")
return count
}
