July 14, 2020
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1167414 – Configure TCP keepalive setting to all nodes

2015/05/19 · I have been using celery for a while now with RabbitMq broker. I was using authentication all this time but i still didn't feel confident that that will keep it secure as it was over http.

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RabbitMQ - rabbitmq.config location and link

Thanks a lot for all your help and support. So, as the git versión re-includes the tcp_listen option again, I can do a couple of things: 1) Download, compile and install the updated git version. 2) Wait for a couple of weeks until the Fedora repo is updated with the new release. Am I right (especially with option 2)?

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rabbitmq mqtt config · GitHub

The Network.Socket module is for when you want full control over sockets. Essentially the entire C socket API is exposed through this module; in general the operations follow the behaviour of the C functions of the same name (consult your favourite Unix networking book).

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Why binary memory usage grows up on rabbitmq - Stack Overflow

Sets up a socket to listen on the port Port on the local host.. If Port == 0, the underlying OS assigns an available port number, use inet:port/1 to retrieve it.. The available options are: list. Received Packet is delivered as a list.. binary. Received Packet is delivered as a binary. backlog, B B is an integer >= 0. The backlog value defaults to 5.

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Configuration - VMware

5.15. Message Queue Performance¶ status. ready. version. 1.0. Abstract. This document describes a test plan for measuring performance of OpenStack message bus.

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[Erlang] -module(ms). -export([listen/1]). -define(TCP

socat TCP file server. Ask Question Asked 4 years, 9 months ago. Active 22 days ago. The only way I found to make it work multiple consecutive times is to remove the fork option from the server listenner and to wrap the whole commande line in a bash loop, but of course it fails for multiple clients. socat TCP-LISTEN:5778,reuseaddr,fork

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Network Programming in Erlang - 20bits

If this option is used in a frontend, only the client side will get keep-alives, and if this option is used in a backend, only the server side will get keep-alives. For this reason, it is strongly recommended to explicitly use "option clitcpka" and "option srvtcpka" when the configuration is split between frontends and backends." Just do this.

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OpenStack Docs: 5.15. Message Queue Performance

Not a member of Pastebin yet? Sign Up, it unlocks many cool features!. raw download clone embed report print Erlang 0.60 KB -module (echo).module (echo).-export ([listen / 1]).

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Network.Socket - Haskell

2008/05/02 · Since I'm learning Erlang I thought my first non-trivial piece of code would be in an area where the language excels: network programming. Network programming (or socket programming) is a pain in the ass in most languages.

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[erlang-questions] Setting socket options on listen

Not a member of Pastebin yet? Sign Up, it unlocks many cool features!. raw download clone embed report print Erlang 2.24 KB -module (ms).module (ms).-export ([listen / 1]).

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5.14. Message Queue Performance — performance_docs 0.0.1

2012/08/28 · rabbitmq.config location and link. Hi All, I have created a rabbitmq.config file in "\etc\rabbitmq\" (ubuntu RabbitMQ 2.8.5) but I can't seem to point my instance to pick it up.. I …

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gen_tcp(3erl) — erlang-manpages — Debian jessie-backports

rabbitmq mqtt config. GitHub Gist: instantly share code, notes, and snippets.

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Quick & Easy TCP GenServer with Elixir & Erlang - Medium

In my last few articles about Erlang we've covered the basics of network programming with gen_tcp and Erlang/OTP's gen_server, or generic server, module.Let's combine the two. In most people's minds "server" means network server, but Erlang uses the terminology in the most abstract sense.

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gen_tcp.3erl - Interface to TCP/IP sockets - man page

I wouldn't say better I think it is more a question of semantic: one is used to set/change default parameters, whilst another to inform driver about specific connection behavior. Relying on a (changed) default behavior may not be always desirable, as it may make program less readable - gen_tcp:listen/2 may be placed anywhere in a code, whereas the person that reads the code may want to know

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Call me maybe: RabbitMQ | Hacker News

One more option to use if it suits your use case is message expiry. Let's say you are using RabbitMQ to send notifications to your users. You will however write them to a database and to make a notification, you may send it via RMQ.

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VIKI THE AI: 2015

2017/06/21 · Is there any way for me to check if the tcp_listen_options are actually applied? I have already checked that the configuration file is correct and other properties do get applied, i have also tried to change the underlying OS defaults of rmem to "4096 4096 6291456" (wmem accordingly) but the binaries memory usage stays the same:-( The application is almost totally at idle after some initial

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gen_tcp(3erl) [linux man page]

2013/08/11 · I'm not certain there is a typical setup for a RabbitMQ cluster. In our case, we went with what we've been calling a binary star. We took this phrase from the 0mq docs. The idea is pretty simple: it's an active/active or active/passive pair with mirrored queues. A proxy is placed between the clients and the binary …

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My Stuff: Some useful socat commands

This option appears to be VERY Linux specific, and its existence in future Linux kernel versions is also worrying since the option is part of RFC 2292 which is since long (2003) obsoleted by RFC 3542 that explicitly removes this possibility to get packet information from a stream socket. For comparision: it has existed in FreeBSD but is now removed, at least since FreeBSD 10.

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listening ports - Cisco Community

When you're using gen_tcp:listen then you're setting up a server that receives connections, whereas `accept` is connecting to something that's listening to connections. You need to set the socket options separately in each case.

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Erlang Questions - Setting socket options on listen / accept

Hi, I am setting up Mitaka right now. I noticed that RabbitMQ keeps growing and growing and I could see that there are certain queues that are concerned: q-agent-notifier-tunnel-update_fanout* q-agent-notifier-port-update_fanout* q-agent-notifier-security_group-update_fanout* None of these queues have any consumers but keep receiving messages.