Questions tagged [worker-process]
The worker-process tag has no usage guidance.
36
questions
64
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5
answers
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Optimal value for Nginx worker_connections
Nginx worker_connections "sets the maximum number of simultaneous connections that can be opened by a worker process. This number includes all connections (e.g. connections with proxied servers, among ...
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25
votes
2
answers
38k
views
IIS 7.x Application Pool Best Practices
We are about to deploy a bunch of sites to some new servers. I have the following questions about application pools:
It seems advisable to have one application pool per website. Are there any ...
- 439
16
votes
1
answer
162
views
How to start a program when CPU percent reaches X
I have been having very intermittent problems with an ASP.NET v 4.0 application happens maybe ever 4 days, what happens is the CPU will spike to 75% and sometimes is will run fine until the end of the ...
- 9,588
13
votes
3
answers
34k
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How can I configure supervisord managed program to wait X secs before attemting to restart?
I've got a worker process which processes 1 RabbitMq message at a time. Right now, as soon as the worker exits, supervisord is restarting it (which will process the next message).
I'd like to set an ...
- 549
11
votes
2
answers
2k
views
Do unused application pools in IIS affect performance?
Due to a major update in our architecture, we now have a few unused application pools under IIS (there are no web sites mapped to them).
I understand how it can a good idea to remove them just to ...
10
votes
3
answers
11k
views
How to make laravel queue work in aws beanstalk?
I made an AWS Beanstalk and RDS instances. I'm testing out a project which syncs FTP and S3 files.
How do I make the typical php artisan queue:work or php artisan queue:listen work in AWS Beanstalk?
...
- 201
8
votes
1
answer
36k
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what does apache (busy workers , idle workers) means?
what is the meaning of Apache busy workers and idle workers? how the statistic of them help me to figure out performance problem with my server?
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5
votes
1
answer
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Requests getting queued in IIS worker process at ExecuteRequestHandler
For some reason, the requests in one of our app pools started "hanging up" today. The CPU usage is low, as is memory consumption, but requests in a worker are coming in and just getting queued; they ...
- 323
4
votes
1
answer
3k
views
The relationship between IIS Application Pool Maximum Worker Processes and Component Services Application Pooling
We're in the process of deploying a new app into it's live environment.
The app servers are running an IIS hosted .NET application that uses EntityFramework and makes numerous calls to a non .NET COM+...
- 91
3
votes
1
answer
6k
views
Does recycling an application pool clear the request queue?
I am a IIS nube. I have been reading about the benefits of recycling your application pool to free up memory caused by problematic applications that may have leaks. I understand that by recycling the ...
- 131
3
votes
1
answer
2k
views
IIS 7 - worker processes more than one
if i set worker process as 1, my application pool hangs.
if i set it at least 6, everything works fine.
but every article i read says "don't set it more than 1"
so, in this practice, am i wrong? or ...
- 31
3
votes
0
answers
900
views
Obtaining a Crash Dump from a dying IIS ASP.NET Worker Process
(Not sure if this is an IIS problem or not, so if this is better suited for SO I'll happily move it...)
We have an IIS-hosted application that is sporadically dying, and the event logs claim that the ...
- 131
2
votes
3
answers
6k
views
Assign more memory to w3wp worker processes
My workers processes cap out at 70mB. How do I raise this limit? I have 4Gb on Windows 2003 IIS6. Thanks!
- 183
2
votes
1
answer
2k
views
worker_processes value for Nginx/Openresty running on Kubernetes
Based on the documentation here, https://nginx.org/en/docs/ngx_core_module.html#worker_processes
The worker_processes is defined as the number of worker processes.
The optimal value depends on many ...
2
votes
0
answers
667
views
Apache 2.4: Differences between prefork, event and worker modes [duplicate]
Apache 2.4.x allows 3 different modes:
prefork
event
worker
What are the conceptual differences between these three? What are the types of applications or each or situations in which each MPM is ...
- 539
2
votes
1
answer
112
views
track iis work process resets
Is there any way to know if IIS resets the app pool/worker process, in IIS 6?
We're seeing funny results in our web application, and I think it has to do with sessions being cleared because the work ...
- 923
1
vote
2
answers
11k
views
How many worker processes are assigned to an application pool?
Can I configure the number of worker process, that I need an application pool should use?
- 115
1
vote
2
answers
1k
views
Minimum number of "ready" IIS worker processes
In my experience working with IIS, when a worker process is recycled, the next request to "activate" the new process has to wait whilst the process performs it's one-time startup. This wait can be ...
- 261
1
vote
1
answer
3k
views
How to prevent IIS from recycling Application Pool when a worker process is unresponsive
We have a WCF service which handles great amount of requests.
As I discovered, when the number of cuncurrent requests exceed the limit of max cuncurrent connections, the consequent requests will be ...
- 111
1
vote
2
answers
2k
views
CPU being pushed to 100% by a process, trying to track and eliminate the problem
I am having trouble with the web servers CPU getting stuck at 25%, then 50%, then 75% until finally maxing out at 100%. Which we are guessing may be some slightly slower SQL queries stacking up, but ...
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1
vote
1
answer
120
views
iis6 which app pool does each w3wp belong to?
I have a run away worker process.
Which of the 10ish sites on this box is it thats going nuts?
How can I determine from the pid of the worker process which site he is?
- 153
1
vote
0
answers
913
views
IIS 8.5 - What is the criteria used by IIS to launch the worker processes?
We have a certain application running in IIS 8.5 implemented as a "web garden", with say, Max Worker Processes = 10. The reason for this is long-running requests, DB and network/async intensive, to ...
- 111
1
vote
0
answers
170
views
aws beanstalk php worker scaling
I have a very lightweight PHP script running in my worker environment. CPU utilization is next to nothing. To get my SQS queue under control I have to keep manually launching new workers to bring the ...
- 11
1
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0
answers
163
views
IIS CPU Limit not taking effect on Azure VM
we've got some old legacy web apps that we host on an azure VM. In some circumstances they get stuck in a situation that spins the W3WP process into 99%> and causes grief for the server. They're not ...
- 119
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0
answers
1k
views
How to proceed in analyzing IIS 7.5 Debug Diagnostic Tool dump from w3wp.exe thread crash from Windows Process Activation Service
I am using the Debug Diagnostic Tool (DebugDiag v1.2) on a few production Windows Server 2008 R2 Standard servers running a custom web application built in-house on IIS 7.5 to create crash dump files.
...
- 11
1
vote
1
answer
3k
views
automatic IIS worker process recycle fails
The server is set to its default configuration to recycle the app pool every 1740 minutes. When this happens the following message is logged:
A worker process with process id of '1234' serving ...
0
votes
1
answer
597
views
Servers vs. Worker Processes [duplicate]
Just wanted to get some other opinions. I am currently having a discussion on how to go on a web environment. We want to virtualize our web layer for a very active site. However, there is a debate ...
- 111
0
votes
2
answers
20k
views
IIS Worker Process Recycle without Killing w3wp?
I'm running an ASP.NET application on IIS 7.
The server blissfully hums along until
An Application_Start event is raised
All requests made by currently connected users give a '...
- 101
0
votes
1
answer
631
views
Task Manager shows more worker processes than the max set [closed]
I am doing application pooling for a web application used by huge number of users and set web garden with a max of 20 worker processes. But in task manager, I see more processes than the w3wp ...
- 109
0
votes
1
answer
1k
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IIS7/.NET Memory Leaking - Is Worker Process Recycling The Only Long Term Fix?
I have a problem with a .NET 4 application leaking memory. It's not a "forgot to clean it up" leak in the normal sense, they are doing compiles that create a bunch of .NET assemblies in ...
- 1,199
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0
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215
views
Nginx sock failed
we have encountered an issue on our web application. The event on error log of nginx is:
connect() to unix:/run/php-fpm/www.sock failed (11: Resource temporarily unavailable) while connecting to ...
- 1
0
votes
1
answer
2k
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Remove consumer before start deployment from RabbitMQ queue
We have setup of Celery worker with 8 node setup. It create 8 queues in RabbitMQ.
When we start deploying new changes, last step in ansible playbook is Celery restart.
Celery restart has to down ...
- 255
0
votes
0
answers
2k
views
the file is open in IIS Worker Process
I have a WCF service hosted on IIS7. I am using source control tool (IBM RTC) to manage code base and continuous deployment on our testing server.
but my deployment is failing because IIS has acquired ...
- 101
0
votes
0
answers
680
views
Only one of the sites in an application pool has queued requests - why?
I have a server that has several application pools (basically one per CPU core). Each application pool: 1) has several sites, 2) runs .NET Framework v4.0.30319, and 3) is running in Managed pipeline ...
- 660
0
votes
2
answers
336
views
IIS 7 spawning processes and eating memory for trivial requests
We have a webapp (ASP.NET MVC 4) running on IIS 7.0. Recently, it's started crashing, logging OutOfMemoryException as the cause. We also get a load of "unhealthy worker process" notifications, as well ...
- 51
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votes
2
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611
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High iowait with RAID0. CPU 100%. Static data is not cached in RAM
I ask for your help.
I myself can no longer see the way out.
I have a server
1x Xeon E-2236
32RAM
4 x 10TB disks (WDC WD101KRYZ-01) - collected in RAID-0.
The disks are fast. Each individually ...
