quot;,defaultValue ="0") String d) {
Object menuList = new Object();
try {
menuList = menuManagmentService.listAll(a, b, c, d); //this
service calls the dao in the service class
} catch (Exception e) {
LOG.error(e.getLocalizedMessage(), e);
}
return menuL
Christopher Schultz <
ch...@christopherschultz.net> wrote:
> Ayub,
>
> On 6/15/21 11:33, Ayub Khan wrote:
> > Would it be a cursor issue, as there seems to be how cursors are handled
> in
> > postgres and Oracle database. Below are the steps we take from jdbc side
>
. set autocommit to true
7. close the resultset,callable statement and connection
On Thu, Jun 10, 2021 at 8:10 AM Ayub Khan wrote:
> Seeing client write waits on postgresql as attached in the image. Is there
> any bottle neck which is causing the client write waits on postgresql ?
>
&
Chris,
In jprofiler I see that the threads are waiting on reading the response
from database side
On Thu, 10 Jun 2021, 08:10 Ayub Khan, wrote:
> Seeing client write waits on postgresql as attached in the image. Is there
> any bottle neck which is causing the client write waits on post
lableStatement.close();
if (con != null) con.close();
}
return menuMobileListCombo;
}
On Thu, Jun 10, 2021 at 8:10 AM Ayub Khan wrote:
> Seeing client write waits on postgresql as attached in the image. Is there
> any bottle neck which is causing the client write waits on postgresql ?
&
Seeing client write waits on postgresql as attached in the image. Is there
any bottle neck which is causing the client write waits on postgresql ?
Below is the test setup
Jmeter-->(load balanced tomcat on ec2 instances)>rds read replicas
All these are running on different ec2 instances in AW
t; On 11/12/20 11:20, Ayub Khan wrote:
> > Chris,
> >
> > That's correct, it's just a plain static hello world page I created to
> > verify tomcat. It is served by tomcat. I have bundled this page in the
> same
> > context where the service is running. Whe
tomcat not even serve the html page
On Thu, Nov 12, 2020 at 7:01 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> Ayub,
>
> On 11/12/20 10:47, Ayub Khan wrote:
> > Chris,
> >
> > I am using hikaricp connection pooling and the maximum pool size is s
--> tomcat on the same VM and tomcat
consumed total memory of 30Gig and CPU was at 28% t
On Thu, Nov 12, 2020 at 6:47 PM Ayub Khan wrote:
> Chris,
>
> I am using hikaricp connection pooling and the maximum pool size is set to
> 100, without specifying minimum idle connections. Even dur
b,
>
> On 11/11/20 16:16, Ayub Khan wrote:
> > I was load testing using the ec2 load balancer dns. I have increased the
> > connector timeout to 6000 and also gave 32gig to the JVM of tomcat. I am
> > not seeing connection timeout in nginx logs now. No errors in kernel.log
&g
4:05 PM Martin Grigorov
wrote:
> On Thu, Nov 12, 2020 at 2:40 PM Ayub Khan wrote:
>
> > Martin,
> >
> > Could you provide me a command which you want me to run and provide you
> the
> > results which might help you to debug this issue ?
> >
>
> 1) star
Martin,
Could you provide me a command which you want me to run and provide you the
results which might help you to debug this issue ?
On Thu, Nov 12, 2020 at 1:36 PM Martin Grigorov
wrote:
> On Thu, Nov 12, 2020 at 10:37 AM Ayub Khan wrote:
>
> > Martin,
> >
> > Th
/proc/`cat /var/run/tomcat8.pid`/fd/ | wc -l"
On Thu, Nov 12, 2020 at 10:56 AM Martin Grigorov
wrote:
> On Wed, Nov 11, 2020 at 11:17 PM Ayub Khan wrote:
>
> > Chris,
> >
> > I was load testing using the ec2 load balancer dns. I have increased the
> > connecto
gt; On 11/3/20 10:56, Ayub Khan wrote:
> > *I'm curious about why you are using all of cloudflare and ALB and
> > nginx.Seems like any one of those could provide what you are getting from
> > all3 of them. *
> >
> > Cloudflare is doing just the DNS and nginx is do
t 10:29 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> Ayub,
>
> On 10/28/20 23:28, Ayub Khan wrote:
> > During high load of 16k requests per minute, we notice below error in
> log.
> >
> > [error] 2437#2437: *13335389 upstream timed out (110: Connectio
During high load of 16k requests per minute, we notice below error in log.
[error] 2437#2437: *13335389 upstream timed out (110: Connection timed
out) while reading response header from upstream, server: jahez.net,
request: "GET /serviceContext/ServiceName?callback= HTTP/1.1", upstream: "
http:/
Chris,
What do you suggest now to debug this issue ? Check with Nginx support if
they can verify it ?
On Thu, Jun 25, 2020 at 8:17 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 6/25/2
20:32 Ayub Khan, wrote:
> Chris,
>
> Ok, I will investigate nginx side as well. Thank you for the pointers
>
> On Wed, 24 Jun 2020, 19:45 Christopher Schultz, <
> ch...@christopherschultz.net> wrote:
>
>> -BEGIN PGP SIGNED MESSAGE-
>> Hash: SHA256
>
Chris,
Ok, I will investigate nginx side as well. Thank you for the pointers
On Wed, 24 Jun 2020, 19:45 Christopher Schultz, <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
>
> Ayub,
>
> On 6/24/20 11:05, Ayub Khan wrot
> Ayub,
>
> On 6/23/20 19:17, Ayub Khan wrote:
> > Yes we have nginx as reverse proxy, below is the nginx config. We
> > notice this issue only when there is high number of requests,
> > during non peak hours we do not see this issue.> location
> > /myapp/myserv
e who owns the process.
localhost:http-alt->localhost:55866 (CLOSE_WAIT) , here port 55866 is a
random port.
On Wed, Jun 24, 2020 at 12:48 AM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On
ything
related to database ip.
On Mon, Jun 22, 2020 at 4:27 PM Felix Schumacher <
felix.schumac...@internetallee.de> wrote:
>
> Am 22.06.20 um 13:22 schrieb Ayub Khan:
> > Felix,
> >
> > I executed ls -l /proc/$(cat /var/run/tomcat8.pid)/fd/ and from the
> output
]
socket:[2084570167]
On Mon, Jun 22, 2020 at 1:28 PM Felix Schumacher <
felix.schumac...@internetallee.de> wrote:
>
> Am 22.06.20 um 11:41 schrieb Ayub Khan:
> > Chris,
> >
> > I am using HikariCP for connection pooling. If the database is leaking
> > connecti
> Hash: SHA256
>
> Ayub,
>
> On 6/20/20 11:51, Ayub Khan wrote:
> > Sorry we are using 8.0.32 version of tomcat.
> >
> > below is the configuration:
> >
> > Server version: Apache Tomcat/8.0.32 (Ubuntu) Server built: Jan
> > 24 2020 16:24:30 UTC
Calden,
we are not using dbcp for this project. Also even if this error is thrown
why does the file descriptor keep increasing?
On Sat, Jun 20, 2020 at 8:24 PM calder wrote:
> On Fri, Jun 19, 2020, 15:46 Ayub Khan wrote:
>
> > tomcat 8.5 broken pipe increases open files o
e from AWS load
balancer.
Which version of tomcat should I install ?
On Sat, Jun 20, 2020 at 6:28 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 6/19/20 16:46, Ayub Khan wrote:
> &g
tomcat 8.5 broken pipe increases open files on ubuntu AWS
If there is slow response from db I see this stack trace and the open files
goes high and the only way to open files go down is to remove the instance
from Amazon load balancer.
Is there a way to keep the open files low even when Broken pi
gt;
> On 6/4/20 12:52, Ayub Khan wrote:
> > Sure I will use DNS and try to change the service calls.
> >
> > Also once in a while we see the below error and tomcat stops
> > serving requests. Could you please let me know the cause of this
> > issue ?
> >
&g
:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 6/4/20 11:05, Ayub Khan wrote:
> > Christopher Schultz wrote:
> >> There's no particular reason why a request to node1:/app1 needs
> >> to have its loopback request call node1:/
at java.lang.Thread.run(Thread.java:748)
On Thu, Jun 4, 2020 at 6:05 PM Ayub Khan wrote:
> Mark,
>
>
> There's no particular reason why a request to node1:/app1 needs
> to have its loopback request call node1:/app2, is there? Can
> node1:/app1 call node2:/app2?
>
>
> Yes we
> Hash: SHA256
>
> Ayub,
>
> On 6/1/20 11:12, Ayub Khan wrote:
> > Chris,
> >
> > As you described I have added two new connectors in server.xml and
> > using nginx to redirect requests to different connector ports.
> > Also configured nginx to route traf
Christopher Schultz,
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 5/31/20 09:20, Ayub Khan wrote:
> > On single tomcat instance how to map each app to different port
> > number?
>
> You'd have to use multiple elements, which
Chris,
On single tomcat instance how to map each app to different port number?
On Sun, 31 May 2020, 15:44 Christopher Schultz, <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 5/29/20 20:23, Ayub Khan wrote:
>
2020 at 3:23 AM Ayub Khan wrote:
> Chris,
>
> You might want (2) and (3) to have their own, independent connector
> and thread pool, just to be safe. You don't want a connection in (1)
> to stall because a loopback connection can't be made to (2)/(3).
> Meanwhile, it&
config in
each tomcat instance:*
**
On Fri, May 29, 2020 at 9:05 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 5/28/20 17:25, Ayub Khan wrote:
> > Nginx is being used f
instead of localhost calls ?
2) Services for portal
3) Services for portal and mobile clients
On Thu, May 28, 2020 at 4:50 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 5/27/20 19:43, Ay
handle it gracefully.
On Wed, May 27, 2020 at 5:38 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Ayub,
>
> On 5/27/20 09:26, Ayub Khan wrote:
> > previously I was using HTTP/1.1 connector,
requests is less.
On Wed, May 27, 2020 at 11:48 AM Mark Thomas wrote:
> On 26/05/2020 23:28, Ayub Khan wrote:
> > Hi,
> >
> > During high load I am seeing below error on tomcat logs
> >
> > java.util.concurrent.ExecutionException: java.net
> .SocketTimeoutExcept
Hi,
During high load I am seeing below error on tomcat logs
java.util.concurrent.ExecutionException: java.net.SocketTimeoutException:
timeout
We have 4 C5.18x large vms running tomcat 8 behind AWS application load
balancer. We are seeing socket timeouts during peak hours. What should be
the conf
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