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Questions tagged [queue]

147 questions
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4 answers

PHP-ZMQ pecl installation error - Unable to find libzmq installation

I've run below shell command as per ZeroMQ website to install PHP-ZMQ: sudo pear channel-discover pear.zero.mq sudo pecl install pear.zero.mq/zmq-beta Below are traces for the installation: downloading zmq-1.0.6.tgz ... Starting to download…
Jae Kun Choi
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1 answer

Sending faxes from Asterisk (email to fax) --- is any feedback possible?

I am about to make some email to fax gateway --- some python program will make Asterisk call files and put them into some queue (files or db based). Then another program should take "call tasks" from queue and "feed" them to asterisk (honoring some…
brownian
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How to lock concurrent access to a shared webservice from multiple webservers?

Our production environment consists in n Apache web servers accessed by browsers via a frontal load balancer. Very typical. 99% of our HTTP requests are gracefully handled by this parallelized architecture with no problem. Unfortunately, 1% of the…
Tom Desp
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4
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3 answers

sendmail queue - display number of messages per domain

Is there a simple command to find out the current number of messages per domain in the linux sendmail queue? mailq dumps out a verbose list, but it's not convenient for a quick overview. I'm using Centos and sendmail. mailq -v | egrep -v '^-' |…
User4283
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1 answer

multithreading a single threaded application worker

I have a server which I want to dedicate for converting doc files to pdf via LibreOffice. The server has 6 cores and LibreOffice is single threaded. This means that generating a single pdf uses 16.666% of my total CPU power. Converting a file can be…
cherouvim
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Azure ASP.NET website http requests queued

We have a website deployed on Azure that has dreadful performance. When load increases, response times increase to whole minutes! CPU load is not even high, somewhere in the 40% region (we run one medium instance (S2)). After much debugging (I had…
Razzie
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3
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2 answers

Change reception in postfix queue

After running postqueue -p i sometimes finds misspelled email-adresses, is there a way to change the reception adress (envelop to adress) of the messages, so it can be delivered. exemple: postqueue -p -Queue ID- --Size-- ----Arrival Time----…
Puggan Se
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3 answers

sendmail - make sure an email is sent

I'm trying to send emails through sendmail, and preventing them from being queued. I only want the emails to be sent, which has been an extreme problem so far. in both sendmail.cf, and submit.cf, I have this setting: O QueueLA=99 In the mail log,…
Robin Manoli
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1 answer

Installing resque on amazon ec2 instances

My problem is to process images through ec2 instances. Based this similar question: Separate server for Resque workers And in this article: http://highscalability.com/blog/2009/11/6/product-resque-githubs-distrubuted-job-queue.html I'm planning to…
Luccas
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2 answers

Can read/write jobs be put in a queue?

I share a server with HAL. The server has 32 GB of memory. I rarely use more than 1 GB of memory, and when I do, it is for a few minutes at a time, and I don't mind sending such jobs to the back of the line. HAL read/writes large files (e.g. using…
David LeBauer
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3 answers

Queue emails under linux

I have a slow distant mail relay server and a web application I'm using locks up when sending e-mails to that distant mail server, until the e-mail is sent. After the e-mail is sent the page comes back and the application is snappy again. So I'm…
md1337
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5 answers

Improving Exim performance: mounting message queue on RAMdisk

I have an email server that's part of a messaging application, and it's going to see a lot of throughput. I want to mount Exim's message queue on a RAMdisk to maximize performance; throughput speed is most important, as opposed to solidarity in…
JustinP
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1 answer

Exchange 2003 SP2 Mail Delivery Problem - Sending server sends QUIT command to EHLO response

So one of the Exchange 2003 servers I admin seems to be having trouble with sending e-mail to another domain's email server. As per my SMTP log (in NCSA format) this is what I have 66.195.209.243 - OutboundConnectionResponse [27/Apr/2011:13:33:54…
Archit Baweja
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2 answers

How to monitor current output/receive queue length in Linux

I want to check the capacity and performance of my network. Besides checking the txkB/s and rxkB/s via Sar, I'd also like to see the average queue length of the network interface(so that the average queueing time in the interface can be calculated).…
IZhen
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exim and clear invalid e-mails

I have an exim queue now of over 1000 e-mails and I want to run the queue and delete all the e-mails that are going to invalid e-mails(ones that no longer exist)
John
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