tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Kumar Muthuramalingam <kumarkm...@gmail.com>
Subject Re: sudden increase in tomcat sessions..?
Date Tue, 11 Feb 2014 19:51:27 GMT
Thanks for all. Finally found the issue. Think it should be a network
delay. The load balancer was configured in such a way to send the ping
requests for every 3 secs. But it didn't happened and it was irregular. And
it sent all the delayed pings at a time. I think it should be the cause. Am
I right? Please confirm.

Thanks,
Kumar


On Tue, Feb 11, 2014 at 1:32 PM, Christopher Schultz <
chris@christopherschultz.net> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Kumar,
>
> On 2/11/14, 1:26 PM, Kumar Muthuramalingam wrote:
> > Yes I can check those configurations. In the meanwhile I have
> > another question. Please take a look at the log below.
> >
> > [11/Feb/2014:12:50:24 -0500] "GET / storyboard /stat/
> > QueryUpdate.jsp?stats=0&sid=0.40406329182209005 HTTP/1.1" 200 151
> >
> > [11/Feb/2014:12:50:24 -0500] "GET /storyboard/stat/
> > QueryUpdate.jsp?stats=0&sid=0.8922158437812004 HTTP/1.1" 200 150
> >
> > [11/Feb/2014:12:50:24 -0500] "GET / storyboard
> > /Ping.jsp?sid=0.6657171303118625 HTTP/1.1" 200 4
> >
> > [11/Feb/2014:12:50:24 -0500] "GET / storyboard
> > /stat/QueryUpdate.jsp?stats=0&sid=0.9436391119344767 HTTP/1.1" 200
> > 151
> >
> > [11/Feb/2014:12:50:24 -0500] "GET / storyboard /stat/
> > QueryUpdate.jsp?stats=0&sid=0.16625583282619777 HTTP/1.1" 200 150
> > [11/Feb/2014:12:50:24 -0500] "GET / storyboard /stat/
> > QueryUpdate.jsp?stats=1&sid=0.8878346617799924 HTTP/1.1" 200 249
> >
> > Here I got a ping request from the loadbalancer. We will be calling
> > this QueryUpdate page continuously. I want to know whether the load
> > balancer will ping the index page or the QueryUpdate.jsp page? And
> > my second question is, a common session is shared by the
> > QueryUpdate before the ping request. Will this ping will create a
> > new session?
>
> Stop asking us and ask your ops team instead. We have no idea what
> will work.
>
> If you ask me, calling a JSP called QueryUpdate with a bunch of
> parameters seems like entirely the wrong way for an lb to check for
> the availability of a back-end server.
>
> - -chris
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1
> Comment: GPGTools - http://gpgtools.org
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
>
> iQIcBAEBCAAGBQJS+mzNAAoJEBzwKT+lPKRYLwMP/isMrpUKpcGAal3ng8OZ+nHt
> SChDLrnIzaPFJnZF+NA6xt9i2Ro8K/sa4Oa3WcfvEQ4dEUlmJO25ZwiRu1OZowjp
> umJ40AhZm2Y5QyPr6eyP2zw2L2iZ1AffgmiZN4tDQC5Ew9s7VsiwJa5TDWXcKXA0
> 7TuFGdJZxKQwpSyV7zNTV0IOF30gmppIjMO/zquS9JvU+ooT+KCM1/FMrpN6tGUJ
> Q3XadK2O+EBP1PuCncfTNxvB20mOv03ljAF+R+935OYtq70t1wIKl136PvgBG6Ku
> R5DE0uoC/fTdwFhioqnk303OXH2D2HPZwhK0Dp3gYZcdDaMsPdxWRfLD7Qh3NQfx
> lXeWXjQ8W5HVFvOVVHktz6UZItk22QsD2vjXeQPKledSgqaXDReNMzzGTRCywBqM
> a7r2OKTewPVrt5AgEP4LJsGLconKrXONtXfWZpkyr/DTSMfcTK4AgWYeEYwiVmyX
> Gg69YUT6MiCAJ47EE8CNIijBvn/Eyt9B7lTmo3mI6ZH/kS4FfEVtaiUs36hA+fp7
> HrvLYCjaCO4nZ6yLl9maUlXlae10lYk45rhPrtJbqvKGTtUrM/WFdCJC3qXij65k
> 5UwYOwfKWW5dGwtMTpf6Ck+DS0LsoTgcCzd9zH7tB0XvzneBi6YZ06ow2t9tY5Al
> fnN6NFjrlGgWWCYd4FAS
> =+MFO
> -----END PGP SIGNATURE-----
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message