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Futex Etimedout (connection Timed Out)


what was causing this? futex resumed> ) = 0 futex(0x7f63fdc0fbd8, FUTEX_WAKE_PRIVATE, 1) = 0 futex(0x7f63fde63c64, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f63fde63c60, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x7f63fdc10294, FUTEX_WAIT_PRIVATE, 7383, NULL <... In the meantime, to rule out memory-overcommit issues, which can cause problems with Java applications, can you try re-running your 2 vCPU case, but set a memory reservation for the VM rasputnik commented Mar 14, 2013 Here's a snippet that reproduces it. (NB: no issue with default gem 0.8.0). navigate here

Member michaelklishin commented Apr 16, 2013 @blaet any network activity should be considered a heartbeat by the spec. The result by strace is as below. For me the issue was that, after exactly 10 mins of normal operation (under jruby), my process would start using 100% CPU. What are we reading from when reading descriptor 15?

Futex Etimedout (connection Timed Out)

Member michaelklishin commented Mar 14, 2013 Are you running on bare metal or in an OpenVZ container, too? Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 35 Star 744 Fork 215 ruby-amqp/bunny Code Issues 7 Pull requests 0 Projects But I'm wondering if this has something to do with the 2012 leap second...Any ideas? asked 1 year ago viewed 2187 times Related 31Why is a pthread mutex considered “slower” than a futex?5Linux futex syscall spurious wakes with return value 0?0Futex code walkthrough- returning EFAULT2Can strace

only thing in its logs are: =INFO REPORT==== 14-Mar-2013::10:35:36 === accepting AMQP connection <0.25025.2> ( -> =WARNING REPORT==== 14-Mar-2013::10:46:01 === closing AMQP connection <0.25025.2> ( -> connection_closed_abruptly (the second Googling for key constants in this trace bring up two issues: The leap second bug which happened in July 2012. Wed Aug 19 21:28:07 BST 2015 161 Wed Aug 19 21:28:08 BST 2015 174 Wed Aug 19 21:28:09 BST 2015 134 Wed Aug 19 21:28:10 BST 2015 38 Wed Aug 19 Futex_wait_private Etimedout I decided to investigate the issue further this weekend and while running strace on the process I did see a loop identical to the one you posted.

I hope some of it will rub off here. Futex_wait_bitset_private Etimedout (connection Timed Out) I don't know what issues this OS might have on ESX 3.5, but the guest OS install guide ( lists a couple of known issues with this OS regarding timekeeping behavior, Re: Java Performance on VMware ESX tommyodom Jul 22, 2009 7:58 AM (in response to tommyodom) Well I hope you have better luck with support than i did. my company In the meantime, to rule out memory-overcommit issues, which can cause problems with Java applications, can you try re-running your 2 vCPU case, but set a memory reservation for the VM END SIGNATURE BLOCK ### Top Profile Reply with quote Challe Post subject: Re: ETIMEDOUT - Connection attempt timed outPostPosted: 2008-09-02 18:32 Offline 500 Command not understood Joined: 2008-09-02 Futex Resumed> ) = -1 Etimedout (connection Timed Out) Not good. Cannot figure this out. heap size and any tuning) that you are using for your applications?

Futex_wait_bitset_private Etimedout (connection Timed Out)

You need to see a thread dump which will list all threads' stack traces several times. Send to Email Address Your Name Your Email Address Cancel Post was not sent - check your email addresses! Futex Etimedout (connection Timed Out) You signed in with another tab or window. Futex_wait_bitset_private Timeout what if you enable heartbeats?

clock_gettime resumed> {1365702629, 722794700}) = 0 17262 12:50:29 futex(0x99f2944, FUTEX_WAIT_PRIVATE, 1, {2, 301991236} 14670 12:50:29 futex(0x4f838044, FUTEX_WAIT_PRIVATE, 1, {5, 56155155} 12475 12:50:29 futex(0x4fb43d44, FUTEX_WAIT_PRIVATE, 1, {4, 676453234} rasputnik commented Mar 13, 2013 Sorry, did say - this is still an issue on 0.9.0pre8. I'm not sure about your configuration, but if I set the VM to single CPU then the problems go away but it seems to be very reproducable with 2 or 4 In Windows, it takes about 4 minutes before a port can be reused.Raised it from 1 to 4 and works better now, solved the 421, cant create socket problem.botg wrote:Read the Futex Connection Timed Out Java It's a chopped down version of the logstash plugin from master. The machine is not doing any significant I/O, or using any CPU. Restarting Apache, recompiling passenger, updating passenger all didn't help. his comment is here Is the binomial theorem actually more efficient than just distributing Did Joseph Smith “translate the Book of Mormon”?

thieso2 commented Mar 13, 2013 my initial snippet still shows the behaviour. Strace Futex_wait_bitset_private The application just isn't responding sensibly to web requests at all, but when I log into the VM and run top, I see the tomcat server using about 30% CPU, and clock_gettime resumed> {1365702629, 722558487}) = 0 12467 12:50:29 <...

Re: Java Performance on VMware ESX tcutts Jul 7, 2009 8:10 AM (in response to tcutts) Another tomcat application has just been reported to me with the same issues.

Terms Privacy Security Status Help You can't perform that action at this time. If there are known failures, what's a good way to simulate them? (we already have test scripts that kill -9 the broker) How soon does the issue happen after restart? (how If you need any more details or tests get in touch, cheers. What Is Futex Help :) linux java strace debug opends share|improve this question asked Jul 12 '12 at 17:42 bluszcz 2941315 add a comment| 1 Answer 1 active oldest votes up vote 4 down

futex resumed> ) = -1 ETIMEDOUT (Connection timed out) 12467 12:50:29 futex(0x969ba28, FUTEX_WAKE_PRIVATE, 1) = 0 12467 12:50:29 gettimeofday({1365702629, 811796}, NULL) = 0 12467 12:50:29 clock_gettime(CLOCK_MONOTONIC, {5867097, 141593727}) = 0 12467 Member michaelklishin commented Mar 13, 2013 @thieso2 when you have a chance to share access to the container that reproduces the problem, email me (see my profile page). Added by Jan Niggemann ( team member) over 4 years ago Since about 3AM CEST this morning I'm seeing strage CPU usage patterns: Using 'top' I saw that they were caused weblink The new v0.9 bunny gem, however, will adhere to the standard and default to trying to heartbeat the server with a timeout of 600 seconds.

Member michaelklishin commented Apr 22, 2013 The following OpenVZ bug may be relevant, the system is running $ uname -a Linux rails 2.6.32-14-pve #1 SMP Tue Aug 21 08:24:37 CEST 2012 Member michaelklishin commented Mar 11, 2013 Can you try with master? up vote 4 down vote favorite Today I noticed that my LDAP server (OpenDS) consumes 100% CPU on every available core. TLDR: set :heartbeat in your bunny options explicitly to zero.

Reload to refresh your session. futex(0x7f4461035200, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, {1, 0}, ffffffff) = -1 ETIMEDOUT (Connection timed out) Anyone knows the reason? If you're able to answer this question, please do! You signed in with another tab or window.

futex resumed> ) = 0 futex(0x7f63fde9e6a8, FUTEX_WAKE_PRIVATE, 1) = 0 futex(0x7f63fcf091e4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f63fcf091e0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x7f63fd3a08e4, FUTEX_WAIT_PRIVATE, 7225, NULL <... Re: Java Performance on VMware ESX tcutts Aug 4, 2009 6:38 AM (in response to haroldr) haroldr wrote:I am going to try to reproduce your problems with Ubuntu myself. Member michaelklishin commented Apr 22, 2013 After some back and forth with @thieso2, I think the issue is solved (by rebooting the machine, which reset the clock). What reasons are there to stop the SQL Server?