Memcached crashing under moderate load - memcached

When running memcached, after a few minutes of use it starts throwing the following errors and memcache stops responding.
mcm_server_connect_next_avail():2328
I have searched the Google, and it seems many people are having this issue, but the only solution I have found was 'restart the server'.
Anyone have any insight?

It seems this is a limitation with using the cmemcache library. If we use python-libmemcache everything is fine.

Related

Error 503 when initializing the AEM 6.5.0 instance

I am facing 503 AuthenticationSupport service missing. Cannot authenticate request error every time server is started. This happened many times. There is no such broken error information on the error log file. I have even deleted the repository but didn't help much. I even use oak but still no use. I had set up it multiple times to skip this error but I don't feel confident with this approach. For better information, I am attaching the latest error log file.
https://drive.google.com/file/d/1aXEcZP_Tvk1ebBxfOmR9Q1ffk2KLeW66/view?usp=sharing
NOTE: I am a beginner in AEM. Please be gentle
java -Xmx6000m -jar oak-run-1.8.0.jar check --bin=-1 C:\Users\mahinder.singh\Documents\Projects\Adobe\author\crx-quickstart\repository\segmentstore
This is usual. Might be taking a little longer time than usual to load. Wait for a while.
If the issue still persists reinstall the instance and allow the aem to get kicked up on it's own.

Play 2.5 application requests hang

I'm running a small scala Play application in dev mode on a vagrant box using activator run. When accessing the app from the browser some of the requests hang for what looks like indefinitely.
This seems to be the same issue as described in this question for play 2.0 Play Framework Hanging when hitting app in browser. The solution suggested there however doesn't seem to apply to the latest version of play.
I'm not sure where to start investigating this issue. Any help will be appreciated!
So after investigating it for a bit we realised that requests hang on routes that were protected by deadbolt. After replacing deadbolt all went back to normal. We were using deadbolt-scala 2.5.0 if anyone has any idea what might have been the issue there a comment here would be welcomed. But for now we stopped using the library.

Presence insights server results in an initialization error

The presence insight server on bluemix has been quite unstable now. Cannot get access to the server.
Is there any way to deploy the instance on softlayer server for production?
There were definitely some problems with PI last evening, but the team worked until early this morning to get them resolved. It looks like the system is back up and functioning. Are you still seeing the issue?
Also, as a general reference, this page has service status details on it that may be of help if you notice a problem.

Apache won't start in MAMP Pro

I’ve tried several ways to get MAMP PRO to work for me. The main issue is that Apache keeps conking out, not sure why.
Apache starts when i don’t have any servers other than local. But when i start to create new servers Apache won’t run.
Here is my setup per screen shots:
shot 1: http://kualitydesign.com/css-tricks/mamp-1.png
shot 2: http://kualitydesign.com/css-tricks/mamp-2.png
I’ve googled, but all i’ve been able to find is how to start a new server, which i know how to do when MP starts normally.
What i don’t know how to do is troubleshoot MP when it Apache doesn’t start. Really need to work locally for a new WP build and would love to get this up and running.
If anyone has had this same issue, can spot my error, or has other ways to fix the issue and cares to share, that would rule!
My hunch, and it’s a very noob hunch, is that Apache on MAC is running and it’s conflicting with MP’s apache, if that’s even possible. I just re-call reading that somewhere.
Thank you.

Failed to get AppContainer info: Unable to enumerate AppContainer

This issue came after #EricLaw explained me what was the problem when I could not receive a response back from my REST request.
Essentially the request was just returning blank, then I found out that if Fiddler was not running,
the application works just fine.
As Eric explains there are some security issues that I should consider when developing/debugging in Windows Server 2012.
I followed the instructions and installed the suggested utility but when I click in the AppContainer Loopback utility I get the following error: Failed to get AppContainer info: Unable to enumerate AppContainer, Is the windows Firewall Service started?
Of course, my Firewall Service is working just fine.
Additionally there is something I still don't understand, why my HTTP request works just fine whenever Fiddler is not running anyway?
Has anyone had this problem already?
PS: we need a new tag called fiddler4
I know it is a bit late to bring this up, but since I had a fix I though it might be helpful to others, too.
I used the utility described here and although it did not fix the issue for me, it had a glowing hint, the Windows Firewall.
What fixed the issue for me was starting Windows Firewall service, which I had disabled previously.
Hope this might help.