jmeter-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Felix Schumacher <felix.schumac...@internetallee.de>
Subject RE: Jmeter pausing when running
Date Thu, 09 Jun 2016 20:29:36 GMT
Can you post the complete threaddump? The part you posted does not seem to match the bugs you
cited. 


Regards, 
Felix 

Am 9. Juni 2016 21:39:30 MESZ, schrieb Janine DeBeradinis <jdeberadinis@higherone.com>:
>Thanks for the suggestion.  I was able to get a thread dump and passed
>the information onto one of our developers.  It looks like he found the
>issue.
>
>       - locked <0x000000008ce895b8> (a java.lang.Object)
>       at sun.security.ssl.SSLSocketImpl.readDataRecord(Unknown Source)
>        at sun.security.ssl.AppInputStream.read(Unknown Source)
>      - locked <0x000000008ce8a338> (a sun.security.ssl.AppInputStream)
>at
>org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:166)
>...
>"AWT-EventQueue-0" #15 prio=6 os_prio=0 tid=0x0000000019fff000
>nid=0x1260 waiting on condition [0x000000001b7de000]
>   java.lang.Thread.State: WAITING (parking)
>        at sun.misc.Unsafe.park(Native Method)
>- parking to wait for  <0x000000008001aa50> (a
>java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionOb
>ject)
>
>
>He suggested a few things to me:
>
>1. Try using IP addresses instead of hostnames or vice versa (this cuts
>down on DNS lookups or reverse name lookups). 
>
>2. Perhaps JMeter is trying to download embedded resources within the
>SSL page - perhaps try switching this off (if it isnt already) -  as
>per this old bug report
>https://bz.apache.org/bugzilla/show_bug.cgi?id=31832
>
>3. This is related to #1.
>https://issues.apache.org/jira/browse/HTTPCLIENT-1302
>Essentially they are saying that we should turn off hostname
>verification. Not sure where that option is in Jmeter. See if you can
>find it.
>
>
>I was going to start and look into these.  I can let you know how I
>make out.
>
>Thanks.
>
>
>-----Original Message-----
>From: Deepak Shetty [mailto:shettyd@gmail.com] 
>Sent: Wednesday, June 08, 2016 3:36 PM
>To: JMeter Users List
>Subject: Re: Jmeter pausing when running
>
>Hi
>you could be having
>a. Problems in the JMeter java VM
>b. Problems in your test itself (like a synchronizing timer or a
>throughput
>controller) - This is something you have probably eliminated ?
>c. Problems in the system being tested (i.e. JMeter is generating the
>load , but your system under test paused so Jmeter isnt doing anything
>other than waiting) - Sounds like you have eliminated this possibility
>
>For a) you probably have no way out of looking at the java VM when it
>is paused (take a thread dump - or hook up something like jconsole or
>run a profiler - look at GC running , memory usage etc) and then take
>it from there.
>
>Since you mentioned you are using Jmeter distributed mode , try
>eliminating that first - i.e. running a single machine test (perhaps
>with half the
>load) and seeing whether you see same behavior or not - if you do then
>you can probably take a thread dump (ctrl+break or kill -3 and see what
>JMeter is doing at that time - you can also enable GC logs to see what
>the memory usage looks and whether GC is running or not).
>
>
>
>On Wed, Jun 8, 2016 at 12:05 PM, Janine DeBeradinis <
>jdeberadinis@higherone.com> wrote:
>
>> Sorry, I'm not exactly sure what you mean.  Run both the server and 
>> client in non-gui mode on the same machine?
>>
>> -----Original Message-----
>> From: sebb [mailto:sebbaz@gmail.com]
>> Sent: Wednesday, June 08, 2016 2:56 PM
>> To: JMeter Users List
>> Subject: Re: Jmeter pausing when running
>>
>> The JMeter GUI takes a lot more resources than running in non-Gui
>mode.
>> Also client-server mode takes more resources as it has to send back 
>> the results.
>>
>> Since you only have two machines actually running the test, it should
>
>> be easy enough to try running them stand-alone in non-GUI mode in
>parallel.
>>
>>
>>
>>
>> On 8 June 2016 at 19:41, Janine DeBeradinis 
>> <jdeberadinis@higherone.com>
>> wrote:
>> > We are using 3 machines.
>> >
>> > 1 is running JMeter GUI to distribute the load.  (also trying to
>see 
>> > if the pausing issue goes away) The other 2 are running JMeter
>server.
>> >
>> > They are all Windows Server 2012 R2 machines.
>> >
>> > Thanks.
>> > Janine
>> >
>> > -----Original Message-----
>> > From: Deepak Goel [mailto:deicool@gmail.com]
>> > Sent: Wednesday, June 08, 2016 12:47 PM
>> > To: JMeter Users List
>> > Subject: Re: Jmeter pausing when running
>> >
>> > What machine are you running the test from? Is it a laptop or a 
>> > desktop
>> for personal use?
>> >
>> > Hey
>> >
>> > Namaskara~Nalama~Guten Tag~Bonjour
>> >
>> >
>> >    --
>> > Keigu
>> >
>> > Deepak
>> > 73500 12833
>> > www.simtree.net, deepak@simtree.net
>> > deicool@gmail.com
>> >
>> > LinkedIn: www.linkedin.com/in/deicool
>> > Skype: thumsupdeicool
>> > Google talk: deicool
>> > Blog:
>> >
>https://urldefense.proofpoint.com/v2/url?u=http-3A__loveandfearless.
>> > wo 
>> >
>rdpress.com&d=DQIFaQ&c=G2J7obiPomkpMVl1prtGFw&r=1OgbcP-oUjBUH-3H8avz
>> > bU 
>> >
>L8Jplqf3JrZ0J8DHFWVZE&m=Q7QdXYQGe-rZwgYG-F0UQuBOUV8fVsyteZl_FEcZ5fU&
>> > s= Au4_yzYoutDa59LBgoqwvraAw3A_W4bhaXyB6azgyCM&e=
>> > Facebook:
>> >
>https://urldefense.proofpoint.com/v2/url?u=http-3A__www.facebook.com
>> > _d 
>> >
>eicool&d=DQIFaQ&c=G2J7obiPomkpMVl1prtGFw&r=1OgbcP-oUjBUH-3H8avzbUL8J
>> > pl 
>> >
>qf3JrZ0J8DHFWVZE&m=Q7QdXYQGe-rZwgYG-F0UQuBOUV8fVsyteZl_FEcZ5fU&s=sC3
>> > 4g I9c7G5kALpTSm-Np-s7lFURlfsjH_Zh4zbnbPs&e=
>> >
>> > "Contribute to the world, environment and more :
>> >
>https://urldefense.proofpoint.com/v2/url?u=http-3A__www.gridrepublic
>> > .o 
>> >
>rg&d=DQIFaQ&c=G2J7obiPomkpMVl1prtGFw&r=1OgbcP-oUjBUH-3H8avzbUL8Jplqf
>> > 3J 
>> >
>rZ0J8DHFWVZE&m=Q7QdXYQGe-rZwgYG-F0UQuBOUV8fVsyteZl_FEcZ5fU&s=U_jTZpf
>> > YA Z4lWmjZkzSVlkxPqhktjUtJP2vvEIInJ6s&e=
>> > "
>> >
>> > On Wed, Jun 8, 2016 at 10:09 PM, Bob Nance 
>> > <bob.nance@novationsys.com>
>> > wrote:
>> >
>> >> I’ve been having an issue with JMeter periodically pausing when 
>> >> running a load test and am not sure how to resolve this.  We have 
>> >> tried several things, but nothing seems to be working.  The 
>> >> behavior is I start a JMeter load test. The test will run fine for
>
>> >> a few
>> minutes, then pause, then pick
>> >> back up, then pause, etc.   I’ve tried upping the heap size when
>> starting
>> >> JMeter, running in distributed mode and non distributed mode, even
>
>> >> turning off our Anti-Virus software, but the issue still persists.
>> >> The amount of load being generated isn’t that much either.  My
>test 
>> >> has
>> about 75
>> >> different thread groups, but we are only using 1 thread per group.
>  The
>> >> last thing I tired was adding -XX:+DisableExplicitGC to jmeter.bat
>
>> >> file, but that didn’t work either.
>> >>
>> >> Does anyone have any other suggestions or thoughts?
>> >>
>> >> Do the logs reflect the delay? (or could it just be a delayed 
>> >> display
>> >> issue)
>> >> Do you have any data visualizations/listeners running during the
>tests?
>> >> (they can eat up a lot of CPU cycles) Do you have anything else 
>> >> running on the computer that might be stealing the network card?
>> >> Is there a pattern that might point you somewhere (like it happens
>
>> >> nearly at the same test, or every 12.5 seconds or something)?
>> >>
>> >> No direct help, but those are all things that I have seen affect
>my
>> tests.
>> >>
>> >> -Bob
>> >>
>> >>
>> >> ---
>> >>   Bob Nance
>> >>   Novation Systems
>> >>   bob.nance@novationsys.com<mailto:bob.nance@novationsys.com>
>> >>   256-534-4620
>> >>
>> >
>> >
>--------------------------------------------------------------------
>> > - To unsubscribe, e-mail: user-unsubscribe@jmeter.apache.org
>> > For additional commands, e-mail: user-help@jmeter.apache.org
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@jmeter.apache.org
>> For additional commands, e-mail: user-help@jmeter.apache.org
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@jmeter.apache.org
>> For additional commands, e-mail: user-help@jmeter.apache.org
>>


---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscribe@jmeter.apache.org
For additional commands, e-mail: user-help@jmeter.apache.org


Mime
View raw message