rabbitmq-discuss@lists.rabbitmq.com discussions for March 2012

25	[rabbitmq-discuss] Experimenting with release candidates: RabbitMQ 2.7.9

Hi all. We'll be making a 2.8.0 release of RabbitMQ soon (hopefully early next week), but I'd like to experiment with making preview or RC releases. So here's one. The version is marked as 2.7.9 just ...

Simon MacMullen
Mar 8, 2012 at 5:55 pm
Apr 1, 2012 at 8:10 am

22	[rabbitmq-discuss] Can RabbitMQ handle big messages?

Hi there, I've a set (~1 million) of high resolution PNG files each one between 100MB and 1GB size. I'd like to know if RabbitMQ is capable of handling such files as messages? What's the max allowed ...

Zabrane Mickael
Mar 10, 2012 at 6:26 pm
Mar 13, 2012 at 6:09 am

19	[rabbitmq-discuss] Per-Connection Flow Control - RMQ 2.8.1

Hi All, Wondering is anyone having issues with the Per-Connection Flow Control in 2.8.1? Under 2.7.1 was able to push about 4.5MB/s per connection (about ~7000msg/s). Under 2.8.1 I am hitting the ...

DawgTool
Mar 23, 2012 at 8:03 pm
Apr 27, 2012 at 5:58 pm

16	[rabbitmq-discuss] HAProxy configuration

Hi, Anyone has a typical configuration for HAProxy? I want to loadbalance queue creation across the whole cluster (5 nodes). Thanks, Pablo An HTML attachment was scrubbed... URL: ...

Pablo Molnar
Mar 13, 2012 at 8:39 pm
Mar 14, 2012 at 3:05 pm

16	[rabbitmq-discuss] Symmetric federation behavior

Hello, I've set up a symmetric federation between two brokers A and B, that is, an exchange on one broker acts as the upstream for one on the other broker with the same name and vice versa. To ...

Busoli, Simone
Mar 1, 2012 at 1:27 pm
Mar 2, 2012 at 3:02 pm

14	[rabbitmq-discuss] Access for "external" users

Hi, We use rabbitmq for message exchange in the internal system. What we'd like to do is to make it possible for "external" users to subscribe to some of the messages. Could you please advise how to ...

Mikhail Sobolev
Mar 22, 2012 at 7:10 pm
Mar 27, 2012 at 12:47 pm

14	[rabbitmq-discuss] newbie problem--'Error: unable to connect to node '[email protected]': nodedown'

OK, I realize this is probably a very basic thing, but I've been googling and screwing around with this for hours and getting nowhere. I'm trying to set up my first rabbitmq cluster. I have it ...

John Stoner
Mar 9, 2012 at 8:24 pm
Mar 21, 2012 at 5:27 pm

14	[rabbitmq-discuss] Simplest possible embedded message producer

- Does anyone have code for the simplest possible message producer? I would like to produce messages from a _very_ memory constrained embedded system*. Can anyone advise me on what the absolute ...

Dirk
Mar 19, 2012 at 3:41 pm
Mar 21, 2012 at 6:40 am

12	[rabbitmq-discuss] how to build SimpleAmqpClient?

Dear Experts, I'm trying to build SimpleAmqpClient (v2.0-beta-2) in Windows (VS 2008), but when I execute CMake, there are errors regarding boost: CMake Error at C:/Program Files (x86)/CMake ...

Lorenzo Rossi
Mar 6, 2012 at 2:43 pm
Mar 12, 2012 at 4:30 pm

11	[rabbitmq-discuss] RabbitMQ on ESXi

Is it possible to run RabbitMQ broker on VMware ESXi? (if yes, I'd preffer detailed answers, if no - Are there any AMQP brokers that would apply?) I also want to set a RabbitMQ client (prefferably ...

Mamut
Mar 19, 2012 at 4:13 pm
Mar 20, 2012 at 5:00 pm

11	[rabbitmq-discuss] Puka client and publisher confirms performance

Hi, I am using Puka client [1] in order to send messages with guaranteed delivery using publisher confirms. Trying to send 200.000 messages I see that waiting for the confirms, takes a lot of time. ...

Christos Stavrakakis
Mar 14, 2012 at 12:31 pm
Mar 20, 2012 at 3:21 pm

10	[rabbitmq-discuss] [PATCH] Add exclusive queue support to stomp adaptor

this is a very small patch to add exclusive-access support to a queue when accessed via the stomp adaptor. It is enabled by using the "exclusive" header. If you are using Net::Stomp your subscribe ...

Jeff
Mar 21, 2012 at 5:24 pm
Mar 27, 2012 at 3:36 pm

9	[rabbitmq-discuss] Multiple nodes on single box

Having Ubuntu 10.04, wanted to get two rabbitmq nodes up on one machine. There is documentation available for single-machine cluster on * http://www.rabbitmq.com/clustering.html#single-machine*. But ...

Timya Tortus
Mar 27, 2012 at 10:09 am
Nov 5, 2012 at 5:28 pm

9	[rabbitmq-discuss] \|Spam\| question about rabbitmq TPS

hi, can you tell me why TPS is too high at first and sometimes maybe even more higher(maybe over 30000/s) when I send messages to rabbitmq cluster concurrently? thanks! Some infos about this test ...

陈鸿钦
Mar 26, 2012 at 11:15 am
Apr 2, 2012 at 12:45 pm

9	[rabbitmq-discuss] [rabbitmq-erlang-client] Missing 1 queue message after nodedown message from another node.

Hi, I have a small OTP App ( say node A), that subscribes to a RabbitMQ queue, and also talks to another erlang node in another process ( node B ). Now, sometimes the process hosting node B crashes ...

Abhinav Jha
Mar 9, 2012 at 6:58 pm
Mar 12, 2012 at 2:59 pm

8	[rabbitmq-discuss] Mirrored queue failover

Hi, I'm a RabbitMQ newbie and am trying to use mirrored queue in the cluster (3 disc nodes on the 3 servers). I use RabbitMQ 2.8.1, Erlang R15B, CentOS 6.2. I wanted to see the behavior of the ...

Katsushi Fukui
Mar 29, 2012 at 8:36 am
May 8, 2012 at 9:09 am

8	[rabbitmq-discuss] Default vhost and Http API

Due to the default vhost's name is "/" i'm having troubles with some tools, for example SoapUI, because they're always making the request like "api/queues///queue_name/contents/", this also happens ...

Félix
Mar 27, 2012 at 12:12 am
Mar 28, 2012 at 8:00 am

8	[rabbitmq-discuss] Management plugin browser issue on 2.8.0

Hi, I have noticed that intermittently there is a problem with using the management plugin from Firefox (haven't reproduced on other browsers yet). After visiting the Exchanges page a few times it no ...

Dan Wise
Mar 19, 2012 at 2:48 pm
Mar 20, 2012 at 7:53 pm

8	[rabbitmq-discuss] Issue with running two RabbitMQ servers on one machine

Hi there, We need to upgrade our messaging server from 1.8.0 to 2.7.1. To ensure a smooth transition, we are trying to make the two rabbit server versions coexist on the same machine, so we can have ...

Brian Jing
Mar 13, 2012 at 3:21 am
Mar 15, 2012 at 10:05 am

8	[rabbitmq-discuss] SSL connection errors once or twice every week

Hello, We have been using RabbitMQ together with federation plugin in our production environment. Every few days we have some downstream servers and/or upstream servers hanging, which cannot recover ...

Brian Jing
Mar 5, 2012 at 5:33 am
Mar 14, 2012 at 11:40 am

7	[rabbitmq-discuss] Reconnect to RabbitMQ broker

I am running some tests for an async process that consumes messages from rabbitmq. We are trying to figure out how to gracefully handle rabbitmq going away and coming back. The goal is to have the ...

Matthew Ward
Mar 15, 2012 at 2:46 am
May 16, 2012 at 9:46 am

7	[rabbitmq-discuss] Federated exchange slowdown

Hello, I've experienced an unexpected behavior with a federated exchange whereby messages would build-up on the upstream queue for no apparent reasons. The network link seemed ok, as well as the two ...

Busoli, Simone
Mar 17, 2012 at 4:09 am
Mar 21, 2012 at 3:37 pm

7	[rabbitmq-discuss] Good practice to work with rabbit cluster?

Hi there! Is there any good practice regarding how to write self-managed AMQP client (Erlang based) Here is what I need to accomplish: 1. I don't what to hard-code hostname/ip address of ...

Stone
Mar 12, 2012 at 10:26 am
Mar 12, 2012 at 4:00 pm

6	[rabbitmq-discuss] Connection attempt from disallowed node question

I've installed RabbitMQ successfully on several Windows servers and documented the process for the admins at our company. Upon following my instructions for adding a new user, they received an error ...

Derek Greer
Mar 13, 2012 at 10:22 pm
Jun 29, 2012 at 12:16 pm

6	[rabbitmq-discuss] [bug] umbrella common.mk

Hi, When I try to build RabbitMQ from sources (rabbitmq-server-2.8.1.tar.gz) placed in directory which name contains a colon, common.mk fails with: common.mk:87: *** target pattern contains no `%' ...

Matwey V. Kornilov
Mar 31, 2012 at 2:35 pm
Apr 2, 2012 at 4:01 pm

6	[rabbitmq-discuss] Testing Shovel on a WAN

I'am testing shovel with Rabbit 2.7.1. I set two clusters of 2 hosts RedHat 6, and a shovel configuration to forward incoming messages from one cluster to the other. Messages shoveled from one ...

MELIQUE Denis (MORPHO)
Mar 28, 2012 at 1:47 pm
Apr 2, 2012 at 2:09 pm

6	[rabbitmq-discuss] RabbitMQ 2.8.0 Clustering Problem

Hi all, I'm using RMQ 2.8.0 and am trying to create a cluster between two (disk) nodes rabbit1 and rabbit2. I'm getting the error "Error: {no_running_cluster_nodes,[rabbit at rabbit1 ],[rabbit at ...

Reza Lotun
Mar 28, 2012 at 9:24 pm
Mar 29, 2012 at 4:40 pm

6	[rabbitmq-discuss] Federation with Clusters and Load Balancers

Hi All, I've been wondering what the "right" setup is to federate between clusters. Do I just setup each node in the cluster to federate with the upstream through the load balancer? My fear here is ...

James Carr
Mar 14, 2012 at 8:34 pm
Mar 20, 2012 at 11:54 am

6	[rabbitmq-discuss] (no subject)

Hi, I would like to know which version of RabbitMQ is currently being used by Openstack(Nova) for their messaging purposes? Thanks in advance. An HTML attachment was scrubbed... URL: ...

Ashutosh Mathur
Mar 1, 2012 at 4:32 am
Mar 14, 2012 at 12:20 pm

6	[rabbitmq-discuss] Questions about limit alarm and report in the log file

Hi I've got some questions about the limit alarms report in the log file, some entries are not clear to me. 1 this line is reported in the log files when we are close to the file handles or memory ...

Rosa, Andrea (HP Cloud Services)
Mar 12, 2012 at 3:14 pm
Mar 12, 2012 at 4:51 pm

6	[rabbitmq-discuss] RabbitMQ 2.6.1 is unexpectedly eating up memory

Hi, I'm running a RabbitMQ cluster with 4 nodes - 2 disc, 2 ram - on two machines with some thousands of clients connected. I use the system as a job queue, having 1 queue on 1 of the ram nodes for ...

Ingo schramm
Mar 6, 2012 at 11:22 am
Mar 8, 2012 at 4:44 pm

6	[rabbitmq-discuss] Best OS and configuration needs

Hi All, I'm new to the list, so please bear with me in case I ask something that may be too obvious. I'm trying to integrate RabbitMQ as a way to safely decouple components on a client/server ...

Jose Comboni
Mar 5, 2012 at 8:11 pm
Mar 6, 2012 at 4:24 pm

5	[rabbitmq-discuss] Firehose Tracer

Yo, I'm currently investigating the feasibility of storing/journaling a stream of events that is delivered via rabbit. The firehose tracer would be ideal for this, but it has a big fat disclaimer ...

Brendan Hay
Mar 31, 2012 at 12:27 pm
Apr 2, 2012 at 1:29 pm

5	[rabbitmq-discuss] RMQ Java Client - ChannelN.waitForConfirm randomly throwing exceptions

Hello, I am using the latest RabbitMQ java client, but while doing some perf. test I randomly get this exception: Caused by: com.rabbitmq.client.ShutdownSignalException: connection error; reason ...

Emanuele G
Mar 28, 2012 at 1:58 pm
Mar 29, 2012 at 3:30 pm

5	[rabbitmq-discuss] Rabbitmq 2.7.1 / R14B02 crash

Hello , A few hours ago our Rabbitmq server crashed with message: =erl_crash_dump:0.1 Wed Mar 21 13:05:19 2012 Slogan: eheap_alloc: Cannot allocate 1824525600 bytes of memory (of type "heap"). System ...

Andrei Vereha
Mar 21, 2012 at 5:14 pm
Mar 28, 2012 at 9:30 am

5	[rabbitmq-discuss] Help required: How to keep the length of a message in bytes

Hi Everyone, ? I am working on Rabbit MQ messages, I need you help about how to keep the length of a message in bytes. Before this I was just considering the routing key and taking the length of this ...

Saima Asif
Mar 23, 2012 at 11:13 am
Mar 27, 2012 at 1:25 pm

5	[rabbitmq-discuss] Enable Plugins via Config

Does anyone know a way to enable plugins without running the batch file on Windows platforms? What I was hoping for was a way to enable the STOMP plugin by setting some value in "rabbitmq.config" ...

James Poole
Mar 23, 2012 at 8:28 pm
Mar 26, 2012 at 3:05 pm

5	[rabbitmq-discuss] atomic transactions

Hello everyone, I have need to use transactions in the following way: -get a message (m1) from queue A -transforms the message and create new message (m2) -publish m2 to queue B -ack m1 -commit the ...

Gaillard
Mar 22, 2012 at 3:39 am
Mar 26, 2012 at 11:36 am

5	[rabbitmq-discuss] udp exchange and headers type

Hello, we are playing with the udp exchange and found some problem. On the receiving side, both with pika and ruby amqp we were having problems, for instance, with ruby ...

Massimo Paladin
Mar 23, 2012 at 1:30 pm
Mar 25, 2012 at 5:38 pm

5	[rabbitmq-discuss] keepalived option in rabbitmq.config

Hi all, I set keepalived option in rabbitmq.config, but it seems it's not working... When I quit client application without closing connection, the connecion on rabbitmq server is existed. Why? ...

Toru Inoko
Mar 22, 2012 at 5:34 am
Mar 23, 2012 at 10:48 am

5	[rabbitmq-discuss] Is it possible to have these settings and publish to a queue that exists yet there is no consumer

My exchange is set with auto_delete to false non-persistent My queue matches the exchange-it's auto_delete is false again non-persistent My messages have a 120 second expire time and delivery mode is ...

Dathan Pattishall
Mar 21, 2012 at 12:15 am
Mar 23, 2012 at 10:48 am

5	[rabbitmq-discuss] Sample example with Enqueue

Hy, Is there any easy example using the Enqueue() method (with Java or C#)? I only found example with Dequeue It would really help me Thanks -- View this message in context: ...

Bamboula
Mar 18, 2012 at 8:11 am
Mar 21, 2012 at 11:13 am

5	[rabbitmq-discuss] RabbitMQ 2.8.0 released

The RabbitMQ team is pleased to announce the release of RabbitMQ 2.8.0. This release fixes a number of bugs and adds new features. Notable new features include: - dead lettering - queues can specify ...

Simon MacMullen
Mar 19, 2012 at 12:01 pm
Mar 19, 2012 at 2:18 pm

5	[rabbitmq-discuss] Federation binding to a queue

As the federation plugin is used to consume the downstream messages. Is there a way to create and bind the queues on both rabbitmq servers. An HTML attachment was scrubbed... URL: ...

Timya Timya
Mar 9, 2012 at 5:10 pm
Mar 15, 2012 at 5:36 am

4	[rabbitmq-discuss] pub/sub and disconnections handling

Hi, I can't understand some amqp concepts because they are new to me. If I use pub/sub pattern (just as described in tutorial), there is exchange and consumers' queues bound with it. Do I understand ...

Matwey V. Kornilov
Mar 30, 2012 at 3:20 pm
Apr 10, 2012 at 7:07 pm

4	[rabbitmq-discuss] how to get higher throughput?

Hi I have a use case which is very similar to RPC: The clients subscribe to their own queues bound to routing key "response.myname", and they publish messages with routing key "request.myname", then ...

Stone
Mar 28, 2012 at 7:23 pm
Mar 29, 2012 at 10:54 am

4	[rabbitmq-discuss] .NET rabbit heartbeat to keep connections alive

Hi All, We are having an issue at the moment to keep connections alive between the Rabbit Client and Server across 2 different sites with a firewall/load balancer inbetween. The Fire wall/Load ...

Puru Belagali
Mar 28, 2012 at 1:52 pm
Mar 28, 2012 at 4:30 pm

4	[rabbitmq-discuss] Why default connection heartbeat = 0?

Why Erlang (perhaps other languages too?) client default connection heartbeat value is set to 0 ? Is there any special reason behind this or? Because people often forget to give a value to this ...

Stone
Mar 28, 2012 at 11:37 am
Mar 28, 2012 at 12:53 pm

4	[rabbitmq-discuss] Federation Many Connections?

So I investigated why it seems that one of the nodes in my test cluster wind up have hundreds of direct connections to itself lately. It turned out that one of the upstreams it was connecting to ...

James Carr
Mar 27, 2012 at 3:38 pm
Mar 28, 2012 at 10:05 am

4	[rabbitmq-discuss] nagios snmp plugin for version 2.8.1?

Hello, Looking for ideas on how to collect snmp stats for rabbitmq queues. I am running version 2.8.1 on linux I looked into Scott Brooks' nagios plugin on github, but that was developed for version ...

Henri Pipe
Mar 27, 2012 at 1:12 am
Mar 27, 2012 at 9:46 am

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