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LightQ

Build Status

It is a high performance, brokered messaging queue which supports transient (1M msg/sec with microseconds latency) and durable (~300K msg/sec with milliseconds latency) queues. Durable queues are similar to Kafka where data are written to the file and consumers consume from the file.

###Features:

  1. High Performance - 1M+ msg/sec
  2. Low Latency - in microseconds
  3. Transient and durable queue (similar to Kafka where producer writes to the file, consumer reads from the file)
  4. Authentication per topic (userid/password validation)
  5. Header only project (embed within your project)
  6. Consumer in load balancing mode(pipeline): One of the consumer gets a message mostly in round robin)
  7. Consumer as Subscribers (Each consumer gets a copy of a message)
  8. Both subscriber and pipelining mode are supported for a single topic
  9. Multi Producers/Consumers for a single topic
  10. Unlimited* topics per broker
  11. JSON protocol to create topic and join topic (at runtime)
  12. C++11 support/require
  13. Logging support
  14. Dynamic port allocation for topic and consumer/producer bind uri
  15. Apache License
  16. Cluster support (todo)
  17. Client API (todo): C, Go, Java, Rust, Lua, Ruby

It is mostly header only project with main.cpp as an example for broker, producer and consumer.

NOTE: This is an initial version and may not be ready for production use.

##Protocol:

Create a Topic:

(Admin userid and password must be passed to create a topic. Also we need to define userid/password per topic which consumer/produder need to pass for authentication)

 Send a request  to the broker
{
 "admin_password": "T0p$3cr31",
 "admin_user_id": "lightq_admin",
 "broker_type": "queue",
 "cmd": "create_topic",
 "password": "T0p$3cr31",
 "topic": "test",
 "user_id": "test_admin"
}


Response: 
{
   "cmd": "create_topic",
   "description": "topic created successfully",
   "status": "ok"
}

###Join Topic (Consumer): (Need to pass userid/password for topic 'test')

Request:
{
   "cmd": "join",
   "connection_type": "zmq",
   "password": "T0p$3cr31",
   "topic": "test",
   "type": "pull",
   "user_id": "test_admin"
}
Response: 
{
   "bind_uri": "tcp://127.0.0.1:5002",
   "cmd": "join",
   "status": "ok",
   "topic": "test"
}

Join Topic (Producer):

(Need to pass userid/password for topic 'test')

Request:
{
   "cmd": "join",
   "connection_type": "zmq",
   "password": "T0p$3cr31",
   "topic": "test",
   "type": "pub",
   "user_id": "test_admin"
 }
Response:
{
  "bind_uri": "tcp://127.0.0.1:5003",
  "cmd": "join",
  "status": "ok",
  "topic": "test"
}

Get the statistics about the topic

Request:
{
   "cmd": "stats",
   "password": "T0p$3cr31",
   "topic": "test",
   "user_id": "test_admin"
}
Response:
{
  "cmd": "stats",
  "messages_received": 9499570,
  "messages_sent": 9491554,
  "publishers_count": 1,
  "queue_size": 8016,
  "status": "ok",
  "subscribers_count": 1,
  "total_bytes_read": 0,
  "total_bytes_written": 0

}

#Performance:

Laptop hardware:

MacBook Pro (Retina, 15-inch, Late 2013)
Processor 2.3 GHz Intel Core i7
Memory 16 GB 1600 MHz DDR3

Broker Type: Transient ##100 bytes, 10M messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 100 event
Total Messages:10000000, Time Taken:8.46577 seconds.
Start Time: 1427658489112, End Time:1427658497577
1181227 messages per seconds.
1000000000 bytes sent
112.6507 MB per second

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer queue zmq  pull event
Total Messages:10000001, Time Taken:8.47781 seconds.
Start Time: 1427658489122, End Time:1427658497600
1179550 messages per seconds.
1000000004 bytes received
112.4907 MB per second.

##256 bytes 10M Messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 256 event
Total Messages:10000000, Time Taken:9.2752 seconds.
Start Time: 1427658738559, End Time:1427658747834
1078143 messages per seconds.
2560000000 bytes sent
263.2186 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer queue zmq  pull event
Total Messages:10000001, Time Taken:9.30292 seconds.
Start Time: 1427658738562, End Time:1427658747865
1074931 messages per seconds.
2560000004 bytes received
262.4345 MB per second.

512 bytes 10M Messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 512 event
Total Messages:10000000, Time Taken:10.5182 seconds.
Start Time: 1427658940094, End Time:1427658950612
950734 messages per seconds.
5120000000 bytes sent
464.2258 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer queue zmq  pull event
Total Messages:10000001, Time Taken:10.5296 seconds.
Start Time: 1427658940097, End Time:1427658950627
949706 messages per seconds.
5120000004 bytes received
463.7239 MB per second.

1024 bytes 10M Messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 1024 event
Total Messages:10000000, Time Taken:19.8285 seconds.
Start Time: 1427659063592, End Time:1427659083420
504324 messages per seconds.
10240000000 bytes sent
492.5049 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer queue zmq  pull event
Total Messages:10000001, Time Taken:19.8222 seconds.
Start Time: 1427659063603, End Time:1427659083425
504485 messages per seconds.
10240000004 bytes received
492.6617 MB per second.

#Performance: (Durable broker: file) ##100 bytes, 10M messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 100 event
Total Messages:10000000, Time Taken:25.0786 seconds.
Start Time: 1427659575158, End Time:1427659600236
398746 messages per seconds.
1000000000 bytes sent
38.0275 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer file socket  pull event
Total Messages:10000001, Time Taken:25.0945 seconds.
Start Time: 1427659575170, End Time:1427659600264
398493 messages per seconds.
1000000004 bytes received
38.0033 MB per second.

##256 bytes 10M Messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 256 event
Total Messages:10000000, Time Taken:28.3802 seconds.
Start Time: 1427659339399, End Time:1427659367779
352358 messages per seconds.
2560000000 bytes sent
86.0250 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer file socket  pull event
Total Messages:10000001, Time Taken:28.3939 seconds.
Start Time: 1427659339410, End Time:1427659367804
352188 messages per seconds.
2560000004 bytes received
85.9834 MB per second.

512 bytes 10M Messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 512 event
Total Messages:10000000, Time Taken:31.0832 seconds.
Start Time: 1427890737326, End Time:1427890768409
321716 messages per seconds.
5120000000 bytes sent
157.0884 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer file socket  pull event
Total Messages:10000001, Time Taken:31.0935 seconds.
Start Time: 1427890737329, End Time:1427890768423
321610 messages per seconds.
5120000004 bytes received
157.0363 MB per second.

1024 bytes 10M Messages

Producer:

./dist/Release/GNU-MacOSX/lightq producer 10000000 1024 event
Total Messages:10000000, Time Taken:37.4027 seconds.
Start Time: 1427890878446, End Time:1427890915848
267360 messages per seconds.
10240000000 bytes sent
261.0942 MB per second.

Consumer:

./dist/Release/GNU-MacOSX/lightq consumer file socket  pull event
Total Messages:10000001, Time Taken:37.4166 seconds.
Start Time: 1427890878455, End Time:1427890915871
267260 messages per seconds.
10240000004 bytes received
260.9970 MB per second.

Performance Test with 100M messages: https://github.com/rohitjoshi/LightQ/blob/master/PerfTest100M.md ###Example: (transient broker)

Start Broker: (broker type: queue, logging level: event)

./dist/Release/GNU-MacOSX/lightq queue event

Start Consumer: (client: consumer, broker type: queue, client socket: zmq, logging level: event)

./dist/Release/GNU-MacOSX/lightq consumer queue zmq  pull event

Start Producer: (client: producer, number of messages 10M, payload size: 100 bytes, logging level: event)

./dist/Release/GNU-MacOSX/lightq producer 10000000 100 event

##License : Apache License

Dependecies: ZeroMQ LGPL: ZeroMQ LGPL

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