A thread is the smallest entity of execution within a program.

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Nginx worker_processes and multi core cpu's - Do Hyper-threading cores count?

Quite often, when reading about the recommended worker_processes for nginx it is stated that this should be set to the numbers of cores the server hosting nginx has. We were wondering if we should ...
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10 views

Tomcat threads are increasing but never decreasing

We are using new relic to monitor tomcat threads. The graph shows increase of thread count,but it never decreased even the application is idle. We noticed that when it increase CPU also increased and ...
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325 views

Weblogic Threads Usage

I have an application deployed on WebLogic 10.3, which exhibits a strange behavior. I am running a constant (not too high) load on my application (20 concurrent users, running a light activity). ...
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90 views

Apache worker mpm, one process and many threads: understanding performance

Got a mod_perl-written serverside program. Im using shared apache worker mpm memory with one process only, and ~ 60 threads. Im using locks to temporary secure the access to the shared memory, just ...
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127 views

What is optimal IIS threading settings for a Win2012 server that does lots of slower web service calls?

We have a Windows 2012 Server that communicates to lots of other services via SOAP based web services using ASP.Net and .NET 4.5. These services tend to have higher latency (i.e. 2-6 seconds to ...
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194 views

How to tell uWSGI to prefer processes to threads for load balancing

I've installed Nginx + uWSGI + Django on a VDS with 3 CPU cores. uWSGI is configured for 6 processes and 5 threads per process. Now I want to tell uWSGI to use processes for load balancing until all ...
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0answers
505 views

How do I reduce the threads per process limit for an ISAPI app under IIS 7.5

I have a python WSGI application running under an ISAPI extension in IIS 7.5 on Windows Server 2008. I would like to increase the number of worker processes (which I know how to do) and reduce the ...
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145 views

IIS 7 configuration does not lead to expected performances/thread count

I have a Windows Server 2008 R2 server running some web services through IIS 7. The web services run in integration mode with .NET Framework 2.0. The web services communicate with each other and with ...
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365 views

Python Threads and uWSGI Harakiri

I have a webapp that is using an API built on nginx, uWSGI, and Django. Recently I have been seeing a lot of harakiris on a particular API call which does some quick processing and then spawns a few ...
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165 views

Apache serving Samba share leads to poor performance?

This is a question about a problematic interaction between Apache and Samba. Our Linux server (on a private intranet) mounts a Windows share, which is physically thousands of miles away, and serves ...
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39 views

Are memory and thread managers on Windows Server 2008 R2 and Windows 7 Home/Prof/Ultimate same?

I was asking one question on DBA site, and I got a reply, that implies, that Windows Server 2008 R2 and Windows 7 Home/Prof/Ultimate have different memory and thread managers. Is this correct?
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613 views

tomcat max number of threads

I have a very confusing scenario.. We are using tomcat6 to host an internal application. In server.xml file maxthreads attributes is set to 150 but if I log on to the manager, in "http-8080" section I ...
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50 views

How do IIS Worker Process Threads work in a mixed Classic ASP/.NET environment?

I'm trying to track down an issue with our website slowing down at random times during the day. Server CPU and Memory are low (~20%), but Threads seem to get maxed out -- and requests start queuing ...
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102 views

IIS Threads Per Processor Max

We have IIS 7 running a classic ASP app. We noticed that while the CPU stays low, the ASP Request Queue can sometimes get high, causing slow response times. After some research it seems changing the ...
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482 views

WebSphere hung threads, how can I track then down?

We have an application running on WebSphere (unfortunately it is 6.1 which is no longer supported, it has not yet been migrated in production to a later version) which becomes entirely unresponsive ...
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392 views

“No more threads can be created in the system” in Network and Sharing Center

A while back I noticed on one of our laboratory computers (Windows 7, very little extra software installed) that the network connection icon in the system tray would claim that it had no network ...
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31 views

mod_perl, how can we control workers spawned by Apache 2.0 process

I have a particular issue with mod_perl, but instead of asking for help I decided to make it more general question so that it could be more usefull for community. Also I am not experienced system ...
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241 views

Linux watchdog and timing interval

How does the /dev/watchdog timer exactly work? I found a description here and it says that once I open the file from an application I need to update it every 10 seconds. I was wondering is this a ...