aero.go

package main
import (
  "fmt"
  "time"
  as "github.com/aerospike/aerospike-client-go"
)

const (
  HOSTNAME      = "dev01"
  PORT          = 3000
  NAMESPACE     = "nm1"
)

func main() {
  client, err := as.NewClient(HOSTNAME, PORT)
  if err != nil {
    fmt.Println(err)
  }

  recordset, err := client.ScanAll(nil, NAMESPACE, "")
  count := 0

L:
  for {
    select {
      case rec := <-recordset.Records:
        if rec == nil {
          break L
        }
        count++
      case err := <-recordset.Errors:
        fmt.Println(err)
    }
  }

  fmt.Println(count)
}

aero.py

import aerospike

config = {
    'hosts': [
        ( 'dev01', 3000 )
    ],
    'policies': {
        'timeout': 1000 # milliseconds
    }
}

client = aerospike.client(config)
client.connect()

scan = client.scan('nm1', '')


count = 0
def print_result((key, metadata, record)):
    # print(key[2], record)
    global count
    count += 1

scan.foreach(print_result)
print count