Bug 849767 - Under load thin servers crash
Summary: Under load thin servers crash
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Subscription Asset Manager
Classification: Retired
Component: katello
Version: 1.1.0
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: beta
: 1.2
Assignee: Jordan OMara
QA Contact: SAM QE List
URL:
Whiteboard:
Depends On:
Blocks: sam12-tracker
TreeView+ depends on / blocked
 
Reported: 2012-08-20 19:33 UTC by Eric Sammons
Modified: 2014-11-09 22:56 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-10-23 18:51:14 UTC
Embargoed:


Attachments (Terms of Use)

Description Eric Sammons 2012-08-20 19:33:35 UTC
Description of problem:
When testing against a well loaded sam-1.1 system it is possible to get the thin servers to fail and crash.

~2000 systems
> 60 orgs, each with no less than 4 environments
> 15 roles
> 50 users

4G of RAM
2xVCPU

Version-Release number of selected component (if applicable):
katello-cli-common-0.3.5-2.el6_2.noarch
katello-headpin-all-0.2.13-1.el6_2.noarch
katello-candlepin-cert-key-pair-1.0-1.noarch
katello-glue-candlepin-0.3.3-1.el6_2.noarch
katello-cli-headpin-0.2.2-1.el6_2.noarch
katello-configure-0.3.7-1.el6_2.noarch
katello-headpin-0.2.13-1.el6_2.noarch
katello-selinux-0.2.4-1.el6_2.noarch
katello-common-0.3.3-1.el6_2.noarch
katello-certs-tools-1.1.5-1.el6_2.noarch

+ Performance Hotfix


Steps to Reproduce:
Against a loaded system (well loaded) run multiple, varying types of tests; best to use automation to drive the tests to ensure differing interactions with the environment.

  
Actual results:
thin server will crash without warning, HTTPS requests return Service Temporarily Unavailable.

ps -ef|grep thin returns no pids

service katello stop returns; /usr/lib/ruby/gems/1.8/gems/thin-1.2.11/lib/thin/daemonizing.rb:140:in `kill': No such process (Errno::ESRCH)

Expected results:
System should remain operational

Comment 1 Jordan OMara 2012-10-23 18:51:14 UTC
Can't reproduce. Will be performance tested soon so if it is still a bug in 1.2 it should resurface


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