General Error Socket Too Many Open File Descriptors
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Issues Roadmap View Issue Details[Jump to Notes] [Issue History] [Print] IDProjectCategoryView StatusDate SubmittedLast Update0002977CentOS-3bindpublic2008-07-11 23:492013-05-14 16:58ReporterrmangPrioritynormalSeveritymajorReproducibilitysometimesStatusclosedResolutionsuspendedProduct Version3.9Target too many open files in system linux VersionFixed in VersionSummary0002977: too many open files descriptors after updating
Too Many Open Files Socket
to bind 9.2.4-22.el3DescriptionAfter I ran yum update to the latest bind version, 2 issues: 1. /var/log/messages too many open files ubuntu shows tons of these errors: Jul 11 19:40:24 xx named[31534]: socket: too many open file descriptors Jul 11 19:40:55 xx last message repeated 449 times
Too Many Open Files Java
Jul 11 19:41:56 xx last message repeated 606 times Jul 11 19:42:58 xx last message repeated 540 times Jul 11 19:44:00 xx last message repeated 405 times 2. service named restart will not actually stop named from running. Both of these issues did not exist prior to the update.TagsNo tags attached.Attached Files too many open files tomcat Relationships Relationships Notes ~0007627 smooge (reporter) 2008-07-12 20:13 Unexpected but known bug with all bind's with the patch. In order to deal with the security issue, bind must open many more file descriptors than before. How many open file descriptors do you currently have? ~0007628 rmang (reporter) 2008-07-12 22:15 I upped the open files from 1024 to 4096, but still see the errors. I am not seeing this error on centOS 4 or centOS 5 (both using bind as caching nameserver), just centOS 3. # ulimit -n 4096 # more /proc/sys/fs/file-nr 2595 1613 209632 # more /proc/sys/fs/file-max 209632 ~0007671 tru (administrator) 2008-07-17 10:44 anything special in your /etc/named.conf (are you also using caching-nameserver-7.3-3_EL3.noarch? ) ~0007879 zander (reporter) 2008-08-28 17:37 Hello, I have this problem too, but in a Centos 5.2. Its a busy recursive DNS server with about 20 local domains. It start happening after the last bind patch. # ulimit -
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"too Many Open Files" Ulimit
about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu too many open files centos is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The https://bugs.centos.org/view.php?id=2977 best answers are voted up and rise to the top Too many open files - how to find the culprit up vote 31 down vote favorite 12 When running tail -f filename, I got the following message: tail: inotify cannot be used, reverting to polling: Too many open files Is that a potential problem? How do I diagnose what's responsible for all the open files? I http://askubuntu.com/questions/181215/too-many-open-files-how-to-find-the-culprit have a list of suspect processes, but if they don't turn out to be the culprits, instructions that don't rely on knowing which process to check would be useful. filesystem share|improve this question asked Aug 28 '12 at 3:07 Andrew Grimm 4192619 1 Have you increased the number of file descriptors available via ulimit? –Ignacio Vazquez-Abrams Aug 28 '12 at 3:09 1 @IgnacioVazquez-Abrams That may be helpful to other users, but to me it'd feel like treating the symptom rather than the disease. –Andrew Grimm Aug 28 '12 at 3:13 While you're not wrong, sometimes apps have legitimate reasons for having many files open. –Ignacio Vazquez-Abrams Aug 28 '12 at 3:14 add a comment| 2 Answers 2 active oldest votes up vote 28 down vote accepted You can use lsof to understand who's opening so many files. Usually it's a (web)server that opens so many files, but lsof will surely help you identify the cause. Once you understand who's the bad guy you can kill the process/stop the program raise the ulimit http://posidev.com/blog/2009/06/04/set-ulimit-parameters-on-ubuntu/ If output from lsof is quite huge try redirecting it to a file and then open the file
» Tutorials » Linux » Increase "Open Files Limit" Increase "Open Files Limit" rtCamp 2013-10-19T19:58:07+00:00 2016-06-27T11:22:55+00:00 If you are getting error "Too many https://easyengine.io/tutorials/linux/increase-open-files-limit/ open files (24)" then your application/command/script is hitting max open file limit allowed by linux. You need to increase open file limit as below: Increase limit Per-User Limit Open file: /etc/security/limits.conf Paste following towards end: * hard nofile 500000 * soft nofile 500000 root hard nofile 500000 root soft nofile 500000 500000 is fair number. I too many am not sure what is max limit but 999999 (Six-9) worked for me once as far as I remember. Once you save file, you may need to logout and login again. pam-limits I read at many places that an extra step is neede for limit to change for daemon processes. I did not need following too many open yet, but if above changes are not working for you, you may give this a try. Open /etc/pam.d/common-session Add following line: session required pam_limits.so System-Wide Limit Set this higher than user-limit set above. Open /etc/sysctl.conf Add following: fs.file-max = 2097152 Run: sysctl -p Above will increase "total" number of files that can remain open system-wide. Verify New Limits Use following command to see max limit of file descriptors: cat /proc/sys/fs/file-max Hard Limit ulimit -Hn Soft Limit ulimit -Sn if you are logged in as root: Check limit for other user Just replace www-data by linux username you wish to check limits for: su - www-data -c 'ulimit -aHS' -s '/bin/bash' Check limits of a running process: Find process-id (PID): ps aux | grep process-name Suppose, XXX is PID, then run following commands to check limits: cat /proc/XXX/limits Share this:FacebookTwitterGoogleRedditPocketEmailPrint Table of Contents EasyEngineInstall Community Support (Free) DocumentationCommands Troubleshooting Tutorials About UsContact Blog FAQs We are Hiring Linux Server Admin DevOps Engineer © 2016 - rtCamp Solutions