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Java Futex Connection Timed Out

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By code, I meant the native code of RAF. thieso2 commented Mar 13, 2013 It start immediately to eat one CPU. futex resumed> ) = -1 ETIMEDOUT (Connection timed out) <0.044427> 29716 16:36:47.784469 futex(0x2aac3f66e328, FUTEX_WAKE, 1) = 0 <0.000012> 29716 16:36:47.784548 clock_gettime(CLOCK_REALTIME, {1197938207, 784565000}) = 0 <0.000012> 29716 16:36:47.784610 futex(0x2aac3f670314, FUTEX_WAIT, 1, Member michaelklishin commented Mar 13, 2013 Well, Bunny 0.9 uses a network activity thread that basically does while true. Check This Out

guiocavalcanti commented Mar 4, 2013 Any news about this issue? I was wondering if anyone has seen this problem before > >and how do I go about addressing this? 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 are we reading from when reading descriptor 15?

Futex_wait_bitset_private Etimedout (connection Timed Out)

If you're able to answer this question, please do! asked 4 years ago viewed 5986 times active 4 years ago Related 1debugging JBoss 100% CPU usage3Linux: which process consumed all the memory?1How to enable debug logging for GRE?1Java process eating And my system is also multi core and large memory. How to explain extreme human dimorphism?

The trouble is: the heartbeat is leading in establishing if a connection is alive. I don't know what issues this OS might have on ESX 3.5, but the guest OS install guide (http://www.vmware.com/pdf/GuestOS_guide.pdf) lists a couple of known issues with this OS regarding timekeeping behavior, blaet commented Apr 16, 2013 I might have a solution. What Is Futex Yes, my password is: Forgot your password?

Chris Taylor Oracle DBA Parallon IT&S -- http://www.freelists.org/webpage/oracle-l ________________________________ The information transmitted herein is intended only for the person or entity to which it is addressed and may contain confidential, proprietary This was referenced Jun 24, 2013 Closed Split large messages into multiple frames #132 Closed IOPS regression in gem after version 1.1.2 and before 1.1.8 #208 Sign up for free It takes just 2 minutes to sign up (and it's free!). I have seen the issue during the startup of Glassfish and while running Maven.

That raises an interesting question that (though a little tangential) sort of mirrors your own. Futex System Call I'm at my wits' end here, and the users are getting very grumpy...Regards,Tim Like Show 0 Likes (0) Actions 2. Is it a security vulnerability if the addresses of university students are exposed? Member michaelklishin commented Apr 17, 2013 I believe I understand the issue, it is with handling of connections closed by RabbitMQ.

Futex_wait_private Etimedout

Line in >bold was supposed to be this one: > > 29673 16:36:47.799354 <... Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. Futex_wait_bitset_private Etimedout (connection Timed Out) We recommend upgrading to the latest Safari, Google Chrome, or Firefox. <... Futex Resumed> ) = -1 Etimedout (connection Timed Out) It also looks like the > >52 ms is a futex timeout but strace doesn't report which system call > >causes this.

If you set hearbeat interval to a low value (say, 10 seconds), does it reproduce the issue? his comment is here Hacker used picture upload to get PHP code into my site Difference between if else and && || Do we know exactly where Kirk will be born? CPU consumption is now between 0.0% and 2%, mostly below 0.5. Member michaelklishin commented Mar 13, 2013 @rasputnik I'd be happy to assist in developing a stress test that reproduces the issue if you can explain what the Logstash client that uses Futex Wait

Use kill -3 PID (this way thread dump will be in the standard output of the process) or $JDK_HOME/bin/jstack PID (this way output will be on your screen but a bit 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 It is easiest first step. –sibnick Sep 1 '15 at 7:01 @bforevdr Seems like kernel problem, have you tried re-set the date of your system and try again? this contact form Platform is EL 6.4 on x86_64 (vmware) running ruby 1.9.3 and/or logstash 1.1.9 and 1.1.10 (latest master branch).

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Futex_wake_private 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 <... I will look into switching it to use IO.select in a way that does not involve constant looping.

what if you enable heartbeats?

Like Show 0 Likes (0) Actions 8. Browse other questions tagged linux java strace debug opends or ask your own question. It does pose an interesting question though as to whether or not some other application in ubuntu is interfering with Java's futex calls even though java is using the private mutexes. Strace Futex What is a non-vulgar synonym for this swear word meaning "an enormous amount"?

Different tasks, same characters Can time travel make us rich through trading, and is this a problem? when heartbeating is set to 10 sec, after exactly 10 secs under JRuby 1.7.3 it behaves as described above. That may account for the high number of calls to gettimeofday() which is an expensive call. navigate here For normal situation, it has both futex and write syscalls.

mattdenner commented Apr 17, 2013 @michaelklishin we've been seeing this issue under JRuby 1.6.8 and have tried @blaet suggestion. Like I said it is coming from the buffer cache and not a physical disk read. Reload to refresh your session. I googled it and found some similiar proleam, listing below.

If anyone has pointers at what ETIMEDOUT and EAGAIN may be indicating, please let me know. Member michaelklishin commented Mar 14, 2013 Are you running on bare metal or in an OpenVZ container, too? Some specific questions: Does it publish using just one thread? On a few occasions, I have worked with customers who were experiencing performance issues with their Java deployments on ESX.