derekcollison

// Copyright 2012-2018 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

derekcollison

// All subscriptions with the same queue name will form a queue
// group at runtime. Each message will be delivered to only one
// subscriber per queue group. You can have as many queue groups
// as you wish, and as many members in a single group as you like.
// Normal subscribers will continue to work as expected.

nc.QueueSubscribe("foo", "job_workers", func(m *Msg) {
  // Do some work, then send reply.
  nc.Publish(m.ReplyTo, myAnswer)
})

derekcollison

package main

import (
	"log"
	"os"
	"os/signal"
	"runtime"
	"syscall"

	"github.com/nats-io/go-nats"

derekcollison

Keybase proof

I hereby claim:

• I am derekcollison on github.
• I am derekcollison (https://keybase.io/derekcollison) on keybase.
• I have a public key whose fingerprint is 123C 60DB 9DCE 9CB1 B2E8 CA5D 677A 5159 1919 3B29

To claim this, I am signing this object:

derekcollison

package main

import (
	"fmt"
	"sort"
	"sync"
	"time"

	"github.com/nats-io/go-nats"
)

derekcollison

package main

import (
	"crypto/rand"
	"encoding/hex"
	"fmt"
	"io"
	"log"
	"runtime"

derekcollison

#!/usr/bin/env node

/* jslint node: true */
'use strict';

var nats = require ('../lib/nats.js').connect('nats://demo.nats.io:4222');
var cuid = require('cuid');

nats.on('error', function(e) {
  console.log('Error [' + nats.options.url + ']: ' + e);

derekcollison

~/Development/go/src/github.com/nats-io/nats/examples> ./nats-bench -np 16 -n 100000 foo ok
Starting benchmark
msgs=16X100000, pubs=16, subs=0
#################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################

derekcollison

telnet demo.nats.io 4222
Connected to demo.nats.io.
Escape character is '^]'.
INFO {"server_id":"ad29ea9cbb16f2865c177bbd4db446ca","version":"0.6.8","go":"go1.5.1","host":"0.0.0.0","port":4222,"auth_required":false,"ssl_required":false,"max_payload":1048576} 
SUB foo 1
+OK
PUB foo 6 
hello!
+OK
MSG foo 1 6

derekcollison

~/Development/go/src/github.com/nats-io/gnatsd/test> GOMAXPROCS=3 go test -run="-" -bench="."
PASS
Benchmark___PubNo_Payload-3	10000000	       194 ns/op	  56.48 MB/s
Benchmark___Pub8b_Payload-3	10000000	       186 ns/op	 101.77 MB/s
Benchmark__Pub32b_Payload-3	10000000	       208 ns/op	 210.76 MB/s
Benchmark_Pub256B_Payload-3	 5000000	       289 ns/op	 929.40 MB/s
Benchmark___Pub1K_Payload-3	 2000000	       630 ns/op	1645.63 MB/s
Benchmark___Pub4K_Payload-3	  500000	      3255 ns/op	1262.32 MB/s
Benchmark___Pub8K_Payload-3	  200000	      6903 ns/op	1188.59 MB/s
Benchmark__________PubSub-3	 3000000	       408 ns/op