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-2
votes
1answer
36 views

Unable to find a process id [closed]

I have an app in Erlang which I fail to launch: "Protocol: ~tp: the name my_app@my_comp seems to be in use by another Erlang node",["inet_tcp"]} I've tried to figure out the PID of the Erlang to ...
0
votes
1answer
121 views

RabbitMQ hanged up

I have single RabbitMQ 3.6.1-1 installed on CentOS 7.2.1511, with Erlang R16B-03.16.el7. Today I cleaned it up: rabbitmqctl stop_app rabbitmqctl force_reset rabbitmqctl start_app It worked for some ...
4
votes
0answers
48 views

RabbitMQ two node high availability cluster intermittently breaks with Veeam backup jobs

The environment consists of two 2012R2 Virtual Machines running RabbitMQ in high availability (ha-all) on their Queues. I use Veeam to create snapshot backups that are sent offsite as part of the DR ...
0
votes
1answer
73 views

RabbitMQ memory consumed by Erlang writers, and nothing is paged to disk

I have a case where the total memory used by RabbitMQ is 6.2 GB, and 6.1 GB of which are utilized by Erlang writers. However, I can not find this size paged anywhere on the hard disk. what happens if ...
1
vote
1answer
59 views

RabbitMQ CRL Configuration

I've been trying to find available options for configuring CRL checking within RabbitMQ. RabbitMQ in turn seems to rely on Erlang's SSL library. Unfortunately, knowing very little about Erlang, so it ...
1
vote
1answer
247 views

Rabbitmq {tls_alert,“record overflow”}

I have a RabbitMQ 3.3.5, Erlang R16B03-1 running on rhel7 with firewall and selinux disabled. The ssl part of config is as follows: {ssl_listeners, [15672]}, {ssl_options, [ ...
0
votes
0answers
64 views

QPS falls sharp down when applying Nginx as a reverse proxy

A web-server based on Erlang, with 10000 Erlang processes waiting to deal with request from client, is set up on a node. when I trying to performance-test it, ab -n 1000000 -c 10000 -r http://172.17.0....
0
votes
0answers
38 views

Ubuntu : Unexpected process count of erlang

While checking the 'htop' output, my ubuntu server shows plenty of unexpected processes of erlang. /usr/lib/erlang/erts-5.10.4/bin/beam.smp -W w -K true -A30 -P I have several supervisor services ...
0
votes
1answer
547 views

How to Migrate RabbitMQ server to new CentOS 7 server

Does anyone here have any experience with the migration of RabbitMQ(v3.5.3) to new servers? I currently have two RMQ servers in a cluster on old systems and I want to migrate them to new virtual ...
0
votes
1answer
168 views

Migrate MUC (multi-user conference) data from Mnesia to MySQL in ejabberd

Ejabberd's mod_muc module supports db_type option, which can be either internal (Mnesia) or odbc (MySQL) to store MUC-related data. Is it possible to migrate from Mnesia to MySQL saving all the ...
1
vote
1answer
178 views

CouchDB Error log msg

I recently upgraded my server to CouchDB 1.5 and I'm continually seeing this error message in the logs. CouchDB appears to be behaving properly accept for this error. Fri, 14 Feb 2014 19:07:35 GMT] [...
2
votes
1answer
709 views

Ejabberd can't connect to users

I installed ejabberd on my remote server running centos 6.4 and open all ports required. For example I can access the web admin when i go to http://IP_ADDRES:5280/admin. With the following command I ...
0
votes
1answer
221 views

Rabbitmq-server status intermittent failures

Rabbitmq-server package from ubuntu precise: 2.7.1-0ubuntu4 sudo service rabbitmq-server status and sudo rabbitmqctl status are flip-flopping between running and not running: ubuntu@juju-cstack-...
3
votes
2answers
2k views

RabbitMQ Network Partition Error

I am running a RabbitMQ cluster (version 3.0.2, Erlang R15B) with two nodes and they continue to periodically experience a network partition error. They are physically located in the same data center ...
2
votes
0answers
201 views

ejabberd stringprep error

I install ejabberd from source, it always gives error when I start : =INFO REPORT==== 2013-01-05 09:35:58 === application: ejabberd exited: {bad_return, {{ejabberd_app,start,[...
6
votes
1answer
2k views

Veewee, Vagrant, Puppet, Erlang and RabbitMQ

I am kinda stuck with a problem I am trying to wrap my head around for days now. Here is what I am doing: By using Veewee, I am creating a VirtualBox image and then I create a Vagrant box from it. ...
2
votes
1answer
158 views

Installing Yaws server on Ubuntu 12.04 (Using a cloud service)

I'm trying to get a Yaws web server working on a cloud service (Amazon AWS). I've compilled and installed a local copy on the server. My problem is that I can't get Yaws to run while running on either ...
0
votes
1answer
5k views

RabbitMQ: erl not found

When attempting to use rabbitmqctl, I get the following error: $ which rabbitmqctl /usr/sbin/rabbitmqctl $ sudo rabbitmqctl status /usr/lib/rabbitmq/bin/rabbitmqctl: line 29: exec: erl: not found (/...
2
votes
1answer
3k views

RabbitMQ Erlang Cookie

I have RabiitMQ running on a CentOS 5.5 box, with Erlang R15B01. RabbitMQ was running just swell until I upgraded to the latest version (2.8.4). When I startup RabbitMQ using the command: /etc/init....
1
vote
1answer
518 views

Ubuntu 10.04: Unable to Start RabbitMQ Server Post-Installation

After installing RabbitMQ on Ubuntu 10.04 I receive a failure message that the service was unable to start. Any insight into the issue would be greatly appreciated! Below are contents of startup_log ...
4
votes
0answers
568 views

Unable to get ejabberd prebind to work

I'm trying to get the prebind of BOSH sessions to work. I want to be able to authenticate a user in my CMS and then log him in when he accesses the chat, for this I found https://github.com/...
1
vote
1answer
347 views

Distributing Erlang binaries to new EC2 instances

I am using tools such as Chef and Puppet in order to bootstrap new EC2 instances. In order to autoscale, I try to keep the install times as fast as possible. For something such as Ruby, I compiled it ...
0
votes
1answer
167 views

Securing Erlang / Ubuntu server

I have written a web service in Erlang using mochiweb and jiffy and now face the task of deploying it to production. Since it is going to be open to the public I was wondering how secure Erlang ...
0
votes
1answer
2k views

Bad certificate error with RabbitMQ using SSL

I am trying to get RabbitMQ working with SSL on a couple of Gentoo servers. I get the following error in /var/log/rabbitmq/rabbit@...log when I try to connect to the management console using https: ...
0
votes
2answers
249 views

Erlang install error on Fedora 13

I am attempting to install RabbitMQ on a Fedora 13 box. This requires Erlang is installed. When I run yum install erlang I get the following messages. Yum seems to indicate that it resolved all the ...
2
votes
1answer
472 views

strategy for distributing erlang otp nodes behind haproxy

I have a standard erlang application build upon otp principles. I plan to place my erlang nodes in production as explained below: receive all traffic on a public ip (haproxy) haproxy them to one of ...
4
votes
2answers
173 views

OS parameters tuning for latency improvement

We are trying to improve the average latency of Java proxy application. The Java application receives a message from a client and proxies it to a necessary server. The protocol is binary, ...
3
votes
1answer
387 views

Has anyone seen this kernel panic? What to do? (Ubuntu 10.04 LTS)

The last few weeks, we've been getting this kernel panic on one machine or another out of a cluster of 15, about one every four days. The machines are all running Ubuntu 10.04 LTS with Erlang R13B03; ...
3
votes
1answer
2k views

Turn off EPMD listening port (4369) in Ubuntu / RabbitMQ

I'm trying to secure an install of RabbitMQ, and am not sure how to secure the Erlang EPMD port. I only have one machine running anything, so I'd like to make it listen only on the loopback device. ...
3
votes
3answers
333 views

Choosing between Debian and Ubuntu

Debian or Ubuntu for online multiplayer game cluster? (latest versions both) I plan to run: Erlang apps (ejabberd + modules) with many-many connection Java apps for business logic Memcached with ...
1
vote
1answer
452 views

Ephemeral Port Confusion (plus some erlang)

So, my understanding of the ephemeral port system is that there's a tuple of four values identifying each connection: {source ip, source port, dest ip, dest port}, with source port being one of the ...
0
votes
1answer
834 views

Couchdb failing test suite on Linux

I've been trying to install CouchDB on my webfusion virtual server. I followed the latest instructions from the webfusion forum (see: http://forum.webfaction.com/viewtopic.php?id=2355 ) and it runs (...
0
votes
2answers
870 views

How can I monitor a JMX based system from a non JMX based client?

I want to monitor a weblogic system which uses JMX via an Erlang client. How can I do this? (Note that I cannot use SMTP as it is disabled and cannot be enabled on the server)
2
votes
1answer
2k views

Comparison between Erlang and nginx [closed]

Are there any comparisons between nginx and Erlang web servers. I found this http://www.joeandmotorboat.com/2009/01/03/nginx-vs-yaws-vs-mochiweb-web-server-performance-deathmatch-part-2/ but the tests ...
1
vote
1answer
156 views

Can YAWS run in multi-machine mode?

I know Erlang has the ability to run across multiple machines. Can YAWS also do this? Would there be any advantage?