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Questions tagged [queue]

The tag has no usage guidance.

0
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0answers
15 views

CentOS 7 stuck email, unable to send from Mailer-daemon to self

I have a web server that is responsible for serving a web application. It can also send some email as myname@mycompany.com. Now, there was some mismash between us and the domain owner and because of ...
2
votes
1answer
284 views

AWS SQS behavior with multiple Lambda Triggers set

I've got an SQS queue set up with multiple Lambdas configured as triggers. While this is allowed by AWS's API it's not clear what the intended behavior is. For example, is one message pulled off the ...
0
votes
1answer
127 views

NGINX + PHP-FPM issues with burst requests

I have NGINX setup with PHP7.2-FPM and am having issues with burst requests. The average amount of active processes (fpm children) is 15. I have these settings (48 core server): listen.backlog = ...
-2
votes
1answer
56 views

How to determine the bottleneck of a given network

Consider an Access Point with a packet queue that can hold up to 50 packets and a network whose bottleneck is a link with a datarate of 50 Mbit/s. There are quite a few nodes connecting wirelessly ...
0
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0answers
122 views

The lpr command does not work

I installed CUPS on a new machine and also lpr and hplip. It uses a HP usb printer. I installed the printer with cups and ran a test page successfully. Printer status is HP_LaserJet_1320_series (Idle, ...
0
votes
1answer
210 views

MSMQ Queue Not Processing

I have an rather unpleasant error with MSMQ, one that following the information available on-line isn't fixing. It's resulting in emails (.EML files) going into C:\inetpub\mailroot\Queue and just ...
1
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0answers
40 views

Share printer job queue among multiple printers

Is it possible to have multiple printers and only one printer job queue? Any good software or hardware solution? Idea is like so: someone sends a print job to printer (possibly shared via Windows ...
0
votes
1answer
218 views

To implement persistent queue, should I go for RDS or DynamoDB on aws?

This is my use case: I have a decoupled application system. One application is accepting requests, validating, and queuing in SQS. Other application is mounted on a cluster of EC2 workers that will ...
0
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1answer
154 views

Postfix - Bounced e-mail in mailq for non-exist email account

My postfix mail queue has quite a few bounced back e-mails; however, the recipient of the bounced back e-mail does not exist, e.g. @server_hostname.example.local, so it will never be delivered and ...
1
vote
2answers
2k views

How to open up a port firewall on Ubunto internally and how to verify it

Background I got an aws machine that's running both a laravel app, and now I've tried to install beanstalk console. This is what the nginx config file of the laravel app look like: include forge-...
-1
votes
1answer
486 views

Hundreds of fake e-mails in my mail queue every day

I run postfix/dovecot/spamassasin/clamav/amavis mail server. Recently (maybe 1 month) I find about 500 undelivered e-mails in my mailq. I delete them, but I guess it is not a helathy permanent ...
1
vote
1answer
50 views

If sendmail fails to resolve smarthost, add to queue rather than fail?

Occasionally, in the middle of the night, DNS fails to resolve our smarthost address. And sendmail decides to send the mail as a "rejected" message. Because "root" is aliased to an off-box address, ...
0
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1answer
216 views

SGE set maximum number of nodes per user

I would like to limit the number of nodes a user can submit jobs to on a given queue. Is it possible? For example, I have 5 nodes with 10 cores each, and I do not want a given user to be allowed to ...
1
vote
0answers
347 views

The Message couldn't be delivered 250.2.6.0

Hello I have a Exchange 2010 server and I am having issues with 1 Domain trying to send us emails. I have the Anti Spam rule on and have whitelisted their email address and domain and even their IP of ...
0
votes
1answer
306 views

LINUX: multiq leaf not replaceable with tc

# uname -r 4.7.5-200.fc24.x86_64+debug # tc -s -d qdisc show dev ens3 qdisc mq 8001: root Sent 44589 bytes 340 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc fq_codel ...
0
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0answers
120 views

Postfix fails to send requeued (back to the active queue) deferred emails

So, I've been digging into the pits of Postfix lately in order to administrate my mail server. For various reasons, some of which I haven't yet explained, I ended up with lots of deferred emails, and ...
2
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0answers
65 views

Torque pbs queue system runs queue in reverse

I have a small compute cluster set up on Redhat 7.1. It runs the PBS torque queue system with version 5.1.1. When I queue several jobs it starts to run the jobs in "backwards" priority. It starts ...
-1
votes
2answers
90 views

Will Ubuntu automatically queue hundreds of processes?

I'm creating a service that will be calling potentially hundreds or even 1000s of ffmpeg commands at once. Will Ubuntu 16.04 automatically queue these jobs? Is there some sort of app that does a ...
0
votes
1answer
300 views

Set large buffer/queue on a network interface to emulate bufferbloat

I want to emulate large buffer delay on a specific interface. I have a simple dumbbell topology like: PC1 eth0 <-----------------------> eth0 PC2 It would be good if I ping PC1 from PC2, ...
1
vote
0answers
24 views

Rabbitmq listener across machine not detected

I have multiple rabbitmq listeners running across linux boxes. However when I post a message A (which takes some time to process , around 5 mins), new messages after A wait in the queue till A is ...
1
vote
0answers
85 views

Using an after queue policy daemon with postfix

I have this scenario: Postfix is configured with cluebringer (Policyd v2.1) and emails that are exceeding the quota are deffered. What I need to do is somehow use cluebringer in after-queue so it ...
0
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1answer
53 views

What's a good way to schedule scripts that depend on each other? [duplicate]

So, I have a few scripts that need to be executed in order, and they need to wait for the previous script to finish since they need the data it gathers. I thought about putting it all in a single ...
0
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1answer
341 views

Change FreePBX Queue settings programatically?

Is there is anyway to change the settings(such as 'timeout') of a queue added by FreePBX?. I found No such options in Asterisk Manager (AMI) and CLI.
0
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2answers
1k views

Auto-restart commandline process in screen every day

I have a queue script that finds new jobs from the db every second and handles them. Sometimes it doesn't do anything for 10 hours, and sometimes it receives 1000 new jobs in 3 min. The queue works ...
5
votes
1answer
5k views

How to flush postfix queue one mail at a time?

Sometimes, mails stay stuck in my postfix queue, the distant server saying "Too many connections, slow down". I already configured my postfix for specific domains to send only one mail per second, but ...
2
votes
1answer
422 views

Is it possible to maintain the queue while restarting HAProxy

I am using HAProxy to load balance app servers. Each app server has a max connections limit, once that limit is exceeded the queue is exceeded. When that happens, I will be adding another app server ...
-1
votes
1answer
610 views

remove emails in queue (only from specific sender)

There's almost 50k mails in my queue when i type "exim -bpc". I need to clean the mess ASAP before i get blacklisted by gmail, as these mails are being forwarded to my personnal gmail account. How ...
0
votes
2answers
663 views

How to print and save the result to a file at the same time?

I'm trying to print on Windows Server 2012. It works fine, but I'd want to generate an output file (some kind of .PRN) in order to save the last print job so it can be printed again later. Enabling a ...
3
votes
1answer
599 views

multithreading a single threaded application worker [closed]

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%...
1
vote
1answer
362 views

ActiveMQ - delete VirtualTopic when Consumers = zero

I'm trying to implement a new application using JMS under activeMQ 5.8.0. There are several applications configured as Producers (ie to dump messages in an MQ), two topics, and then the Consumers are ...
3
votes
0answers
1k views

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 ...
2
votes
1answer
1k views

Why is audispd dropping events? What is in the queue?

My audispd keeps logging lots of queue full errors. Jun 9 08:46:29 web audispd: queue is full - dropping event I'd like to understand better why the queue is filling up and whether there is a ...
0
votes
1answer
108 views

Queue remote commands for execution as soon as workstation comes online

I am managing one workstation and think of a maximum of 5 workstations running Ubuntu-based Linux Mint. My own, controlling Computer is also running Mint. What is a good way to queue commands and have ...
1
vote
1answer
1k views

MSMQ messages disappear when they get to remote server

I have to create a MSMQ messaging mechanism between two servers in the same domain, SenderServer (MS Server 2012) and ReceiverServer (MS Server 2008 R2). I created a private, transactional queue in ...
8
votes
1answer
8k views

Postfix: change sender in queued messages

Following a complete re-installation we got a problem with the configuration: the sender address was wrong and some recipients (mail servers) rejected them. So there is a bunch of mails stuck in the ...
0
votes
0answers
407 views

Can't clear que for printer on the network

I'm not sure if this is the right place to post this, so forgive me if I am out of line. I'm having some printer problems with our server. When I look at the printer connected to our network, I see ...
1
vote
1answer
1k views

Beanstalkd and multiple workers on a tube

If I have two workers listening on a single tube and a job comes through, will both workers attempt to handle the same job, or will it get claimed only by one?
0
votes
2answers
1k views

High Low priority queues SGE

I would like to have two queues in a CPU/GPU cluster, one with high priority and one with low priority. Thus, jobs that are submitted in the high priority queue will be bumped to the top of the list ...
1
vote
1answer
5k views

Websphere MQ - Query view message with long time in queue

I need a query or just a command to see stopped/delayed/waiting messages in a queue, but for long time.
1
vote
1answer
369 views

Postfix timeout for unsent emails

I am using Postfix for send about 20 000 – 30 000 e-mail per day. For messages not ended into a spam, the script is running with 1 second break every email send. As a result, e-mail are sending about ...
0
votes
1answer
969 views

/etc/init.d/exim queue runner

I'm having trouble getting my exim daemon to run according to the init.d script settings. The main problem is with the QUEUE variable. I've set it 5m to have it spawn another queue runner as needed. ...
1
vote
1answer
650 views

what user is sending emails from mailq

I have a debian box with postfix on it. I checked the mailq and I do not understand how to read the mailq. I need to know witch user is used to send this emails. here is a example 0F87797868C ...
1
vote
1answer
4k views

Postfix stop working, email stuck in queue

Few day ago i recognize that my postfix have 600 000 mail in queue. The causes was php files in one of my domains. I removed this php files, flush postfix queue and block ip adress which access to ...
3
votes
2answers
2k views

Exim - Force Messages to domain before retry time

We have exim running in queue-only fashion. The reason is that we are a bulk sender (a legitimate, double opt-in) and have experienced Yahoo and Hotmail throttling. The best practices state that once ...
0
votes
0answers
151 views

Can I tell IIS to process some requests sequentially and asynchronously?

Can I tell IIS to process some requests sequentially and asynchronously? Basically, I want some sort of queue for some kind of requests that will execute requests one after the other and, when a new ...
3
votes
3answers
4k views

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: ...
0
votes
1answer
896 views

Email queue won't send - No disc space left (running Centos 6.3)

I hope anyone can help me out with the following issue. I'm no longer receiving emails because they are getting stuck in the email queue. I've tried the following: System reboot (even between the ...
3
votes
2answers
590 views

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 -...
0
votes
1answer
98 views

Running task queue on server?

Currently I have a task queue running on the same server as my API server (2 cores). Is that a bad idea or is it fine? Why what are the advantages or disadvantages of this set up? Would it be a better ...
0
votes
1answer
376 views

Postfix can't write queue file

We had a problem with our mailserver lately: Setup: Server with Raid 1 running XenServer VM with Mailserver What happend? 1 disk failed Raid-Controller locked the disks so nothing could be written ...