RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-21 Thread Toom Andreas
! Best regards, Andreas -Original Message- From: Mark Thomas [mailto:ma...@apache.org] Sent: den 19 januari 2018 18:46 To: Tomcat Users List Subject: Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu On 19/01/2018 14:35, Toom Andreas wrote: > Hi Mark, > > Sorry for

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-19 Thread Mark Thomas
On 19/01/2018 14:35, Toom Andreas wrote: > Hi Mark, > > Sorry for the late reply, it has been a couple of busy days. > > We are running our application on two nodes and we have seen the issue on > both nodes. These machines are running quad core cpus. What we have usually > seen is that the app

RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-19 Thread Toom Andreas
...@kippdata.de] Sent: den 18 januari 2018 14:46 To: Tomcat Users List Subject: Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu Just an addition to one of Mark's questions: Am 17.01.2018 um 22:20 schrieb Mark Thomas: > Is it always the same threads generating the load or does

RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-19 Thread Toom Andreas
why. I can see the likely code path in the data we have so far but nothing that looks abnormal. Mark > > Mark > > >> >> Best regards, >> Andreas >> >> -Original Message----- >> From: Mark Thomas [mailto:ma...@apache.org] >> Sent: den 12

RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-19 Thread Toom Andreas
Users List Subject: Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu Following this thread, I run the same setup, apache/mod_jk/ tomcat. There was a problem a while back where the cpu went to max for me, as my server is slow and thread blocking more of a possibility. https

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-18 Thread Terence M. Bandoian
On 1/18/2018 7:45 AM, Rainer Jung wrote: Just an addition to one of Mark's questions: Am 17.01.2018 um 22:20 schrieb Mark Thomas: Is it always the same threads generating the load or does it move between threads? Just in case Andreas is not aware: one can check with "top -H -p ". Using -H le

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-18 Thread Greg Huber
Following this thread, I run the same setup, apache/mod_jk/ tomcat. There was a problem a while back where the cpu went to max for me, as my server is slow and thread blocking more of a possibility. https://bz.apache.org/bugzilla/show_bug.cgi?id=58151 Although this was in version 8.0.23, are yo

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-18 Thread Rainer Jung
Just an addition to one of Mark's questions: Am 17.01.2018 um 22:20 schrieb Mark Thomas: Is it always the same threads generating the load or does it move between threads? Just in case Andreas is not aware: one can check with "top -H -p ". Using -H lets top show one line per thread instead of

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-17 Thread Mark Thomas
ve so far but nothing that looks abnormal. Mark > > Mark > > >> >> Best regards, >> Andreas >> >> -Original Message- >> From: Mark Thomas [mailto:ma...@apache.org] >> Sent: den 12 januari 2018 11:27 >> To: Tomcat Users List &g

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-16 Thread Mark Thomas
; To: Tomcat Users List > Subject: Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu > > On 12/01/18 06:58, Toom Andreas wrote: >> Hi, >> >> We are having an issue with an application running Apache Tomcat 8.0.47 >> using Oracle Jvm 1.8.0.151 on Linux (RHEL

RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-16 Thread Toom Andreas
: den 12 januari 2018 11:27 To: Tomcat Users List Subject: Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu On 12/01/18 06:58, Toom Andreas wrote: > Hi, > > We are having an issue with an application running Apache Tomcat 8.0.47 using > Oracle Jvm 1.8.0.151 on Linux (RHEL 7)

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-12 Thread tomcat
, may show something interesting (at little cost in terms of re-configuration or testing). Best regards, Andreas -Original Message- From: André Warnier (tomcat) [mailto:a...@ice-sa.com] Sent: den 12 januari 2018 09:57 To: users@tomcat.apache.org Subject: Re: Ajp Nio-thread stuck in loop an

RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-12 Thread Toom Andreas
stuck in loop and consuming a lot of cpu On 12/01/18 06:58, Toom Andreas wrote: > Hi, > > We are having an issue with an application running Apache Tomcat 8.0.47 using > Oracle Jvm 1.8.0.151 on Linux (RHEL 7). The Tomcat process is consuming cpu > at a constant high level even th

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-12 Thread Mark Thomas
On 12/01/18 06:58, Toom Andreas wrote: > Hi, > > We are having an issue with an application running Apache Tomcat 8.0.47 using > Oracle Jvm 1.8.0.151 on Linux (RHEL 7). The Tomcat process is consuming cpu > at a constant high level even though there is a low amount of incoming > traffic. When

RE: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-12 Thread Toom Andreas
0." Best regards, Andreas -Original Message- From: André Warnier (tomcat) [mailto:a...@ice-sa.com] Sent: den 12 januari 2018 09:57 To: users@tomcat.apache.org Subject: Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu On 12.01.2018 07:58, Toom Andreas wrote: > Hi, > &g

Re: Ajp Nio-thread stuck in loop and consuming a lot of cpu

2018-01-12 Thread tomcat
On 12.01.2018 07:58, Toom Andreas wrote: Hi, We are having an issue with an application running Apache Tomcat 8.0.47 using Oracle Jvm 1.8.0.151 on Linux (RHEL 7). The Tomcat process is consuming cpu at a constant high level even though there is a low amount of incoming traffic. When inspecti