RE: Increase in GC Pause time in tomcat http2 9.0.56

Any comments on this please . Thanks and Regards Arshiya Shariff -Original Message- From: Arshiya Shariff Sent: 30 August 2022 20:08 To: Tomcat Users List Subject: RE: Increase in GC Pause time in tomcat http2 9.0.56 Thanks Zdeněk for the response . 1)We have enabled GC logs and we

RE: Increase in GC Pause time in tomcat http2 9.0.56

processes running . 3)These parameters in production are fine-tuned for the process. Thanks and Regards Arshiya Shariff -Original Message- From: Zdeněk Henek Sent: 30 August 2022 19:43 To: Tomcat Users List Subject: Re: Increase in GC Pause time in tomcat http2 9.0.56 HI Arshiya, MaxGCPa

RE: Increase in GC Pause time in tomcat http2 9.0.56

=268435456 -XX:MaxNewSize=14168358912 -XX:MinHeapDeltaBytes=8388608 -XX:ParallelGCThreads=6 -XX:+UnlockExperimentalVMOptions -XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseG1GC -XX:+UseGCLogFileRotation Thanks and Regards Arshiya Shariff -Original Message- From: Rob Sargent Sent:

Increase in GC Pause time in tomcat http2 9.0.56

causing the application to be unresponsive during that time and as a side effect we are facing other issues like delay in WINDOW_UPDATE frames being sent. Has anyone faced similar issue with increased GC Pause time ? Thanks and Regards Arshiya Shariff

RE: HTTP2 : WINDOW_UPDATE not sent on stream level

? Please let us know. Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Wednesday, January 5, 2022 2:36 PM To: users@tomcat.apache.org Subject: Re: HTTP2 : WINDOW_UPDATE not sent on stream level On 05/01/2022 06:14, Arshiya Shariff wrote: > Hi Team, &

HTTP2 : WINDOW_UPDATE not sent on stream level

=sharing The same JMX works fine with the overhead values changed to zero. Will we have any side effects on changing the overhead parameters to zero? Thanks in Advance! Regards Arshiya Shariff

RE: Embedded Tomcat 9.0.43 : WINDOW_UPDATE not sent when receiving http2 requests over unknown url

05:26, Arshiya Shariff wrote: > Hi All, > We are using embedded tomcat version 9.0.43 in our application to transport > http/2 packets between 2 systems (h2c connection). All parameters used are > the tomcat defaults. > > We are facing the below issue : > >1

Embedded Tomcat 9.0.43 : WINDOW_UPDATE not sent when receiving http2 requests over unknown url

n url) in the below path: https://drive.google.com/drive/folders/1IN4XVQe2cvGIIQbHmAu-XLeWhjb-rykr?usp=sharing Thanks and Regards Arshiya Shariff

RE: FW: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

sb.toString(); . . . } } Unfortunately I am still not able to reproduce this exception with a test code , I am trying . Thanks and Regards Arshiya Shariff -Original Message- From: Christopher Schultz Sent: Wednesday, October 21, 2020 7:53 PM To: users@tomcat.apache.org

RE: FW: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

finally { reader.close(); } return sb.toString(); } I am trying to reproduce the StackOverflowError with a sample application , Once it is reproduced I will share it across. Thanks and Regards Arshiya Shariff -Origin

FW: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

the command line? Launched via Command line (JMeter heap increased to 10 GB ) What are the specs of the server(s) being used? The server is a VM with 12 CPUs and 120 GB RAM Please let us know if you require more details. Thanks and Regards Arshiya Shariff -Original Message- From: Mark

RE: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

java.lang.StackOverflowError trace printed multiple times in the log within few minutes of starting the test. Please help us with this . What is the impact of StackOverflowError ? Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Friday, October 9, 2020 5

RE: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

ava:1511) at org.apache.tomcat.util.net.SocketWrapperBase$VectoredIOCompletionHandler.completed(SocketWrapperBase.java:1100) Is there anything that was fixed around this in latest 9.0.x branch ? Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Monday, Oct

RE: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

rapperBase$VectoredIOCompletionHandler.completed(SocketWrapperBase.java:1100) at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper$NioOperationState.run(NioEndpoint.java:1511) Any help with this please. Thanks and Regards Arshiya Shariff -Original Message- From: Mark Tho

RE: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

Thank you so much Mark . We will test and keep you posted . Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Thursday, October 1, 2020 2:59 PM To: users@tomcat.apache.org Subject: Re: HTTP2: memory filled up fast on increasing the connections to 1000/2000

RE: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

Thank you for the response Mark , >> Are you able to test with a custom Tomcat build and/or build Tomcat 9 from >> source for testing? Yes Mark , we will be able to test with the jars built from Tomcat 9 source for testing . Thanks and Regards Arshiya Shariff -Original Messa

RE: HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

Stack occupying around 93% of 3GB live data ,the remaining 17GB is Garbage collected in the heap dump. Thanks and Regards Arshiya Shariff -Original Message- From: Martin Grigorov Sent: Monday, September 28, 2020 11:44 PM To: Tomcat Users List Subject: Re: HTTP2: memory filled up fa

HTTP2: memory filled up fast on increasing the connections to 1000/2000 (Embedded tomcat 9.0.38)

emory filled when the connections are increased, are there any parameters to tune connections ? Please let us know. Thanks and Regards Arshiya Shariff

RE: HTTP2: Tomcat sends GOAWAY when trying to respond over a stream where the client has already sent RST_STREAM:NO ERROR

request with Async state [MUST_ERROR] Thanks and Regards Arshiya Shariff -Original Message- From: Martin Grigorov Sent: Friday, September 25, 2020 4:37 PM To: Tomcat Users List Subject: Re: HTTP2: Tomcat sends GOAWAY when trying to respond over a stream where the client has already sent

RE: HTTP2: Tomcat sends GOAWAY when trying to respond over a stream where the client has already sent RST_STREAM:NO ERROR

is closed) as the other streams during the same time are processing data fine . Additional info for GOAWAY: Connection [], Stream[],An error occurred during processing that was fatal to the connection . Thanks and Regards Arshiya Shariff -Original Message- From: Martin Grigorov Sent

RE: HTTP2: Tomcat sends GOAWAY when trying to respond over a stream where the client has already sent RST_STREAM:NO ERROR

: Tomcat Users List Subject: Re: HTTP2: Tomcat sends GOAWAY when trying to respond over a stream where the client has already sent RST_STREAM:NO ERROR Hi, On Mon, Sep 21, 2020 at 7:56 PM Arshiya Shariff wrote: > Hi All, > > The client has configured a response timeout of 1.5 seconds.

HTTP2: Tomcat sends GOAWAY when trying to respond over a stream where the client has already sent RST_STREAM:NO ERROR

before the upgrade . Please let us know. Thanks and Regards Arshiya Shariff

RE: HTTP2: Connections abruptly closed by sending GOAWAY

Hi All , Any update on this please . Thanks and Regards Arshiya Shariff -Original Message- From: Arshiya Shariff Sent: Wednesday, September 9, 2020 6:49 PM To: Tomcat Users List Subject: RE: HTTP2: Connections abruptly closed by sending GOAWAY Hi All, Can you please help us

Any update on 9.0.38 release plan

Hi All, Can we please get a tentative release date for 9.0.38 . Thanks and Regards Arshiya Shariff

RE: Track native memory of a Tomcat application

t-juli.jar -Dcatalina.base=/opt/webstart/ -Dcatalina.home=/opt/webstart/ -Djava.io.tmpdir=/opt/webstart//temp org.apache.catalina.startup.Bootstrap start Thanks and Regards Arshiya Shariff -Original Message- From: Christopher Schultz Sent: Friday, September 11, 2020 10:54 PM To: users@tomcat.

HTTP2 : PING and GOAWAY sent in the same millisecond

. Should tomcat wait for at least few seconds for PING acknowledgement/response ? 3. Ripple effect will be frequent connection closures as it finally ends up in a memory leak due to connection open and close ( we know this memory leak issue is fixed in 9.0.37) Thanks and Regards Arshiya

Track native memory of a Tomcat application

as only 16 MB of live data. Is there a way to track the native memory of a tomcat process ? Thanks and Regards Arshiya Shariff

RE: HTTP2: Connections abruptly closed by sending GOAWAY

/folders/11r6rnbciayHIMNCLXDm4JFUowHJqp8ox Please help us analyze under which cases this happens . Embedded tomcat:9.0.22 Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas mailto:ma...@apache.org>> Sent: Monday, September 7, 2020 10:21 PM To:

RE: HTTP2: Connections abruptly closed by sending GOAWAY

this happens . Embedded tomcat:9.0.22 Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Monday, September 7, 2020 10:21 PM To: users@tomcat.apache.org Subject: Re: HTTP2: Connections abruptly closed by sending GOAWAY On 07/09/2020 09:29, Arshiya

HTTP2: Connections abruptly closed by sending GOAWAY

Thanks and Regards Arshiya Shariff

RE: Release date of latest Tomcat version - 9.0.38

Hi ,  Thank you for your response .  Is there a way I can track when the version is released for Voting (or) will I get notified in the Users list ? Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Wednesday, September 2, 2020 12:03 AM To: users

Release date of latest Tomcat version - 9.0.38

8 . We are waiting for the release dates so we can plan accordingly. Thanks and Regards Arshiya Shariff

HTTP2:When does tomcat send continuous RST_STREAM with reason REFUSED _STREAM

Hi, What are the cases when tomcat sends RST_STREAM with reason REFUSED_STREAM continuously for every http2 request from the client ? Also , In this case we did not see the max concurrent streams reaching 100. Embedded Tomcat : 9.0.22 Thanks and Regards Arshiya Shariff

HTTP2:When does tomcat send continuous RST_STREAM with reason REFUSED _STREAM

Hi, What are the cases when tomcat sends RST_STREAM with reason REFUSED_STREAM continuously for every http2 request from the client ? Also , In this case we did not see the max concurrent streams reaching 100. Embedded Tomcat : 9.0.22 Thanks and Regards Arshiya Shariff

Is it possible to get a callback notification when a http/http2 connection is opened/closed

Hi All, Can we get a callback notification when a http/http2 connection is opened/closed in Embedded tomcat . Thanks and Regards Arshiya Shariff

HTTP2 keepAliveTimeout changed from Infinite to 20 seconds (default)

information. Thanks and Regards Arshiya Shariff

keepAliveTimeout/connectionTimeout not working with configured values - Embedded Tomcat 9.0.35

ng.valueOf( keepAliveTimeout ) ); But we see that the http2 Connection is closing in 20 seconds with a GOAWAY on being idle , irrespective of the values configured . [cid:image001.jpg@01D635A1.DD3149D0] Thanks and Regards Arshiya Shariff

RE: RST on TCP level sent by Tomcat

properties by extending the Connector.java class. Embedded Tomcat : 9.0.22 Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Wednesday, May 20, 2020 3:42 PM To: users@tomcat.apache.org Subject: Re: RST on TCP level sent by Tomcat On 20/05/2020 10:07

RE: RST on TCP level sent by Tomcat

Hi All, 1. How to set max connections and keepalive timeout in http2 ? The remaining properties are being set through IntrospectionUtils . Embedded Tomcat : 9.0.22 Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Wednesday, May 20, 2020 3:42 PM

RE: RST on TCP level sent by Tomcat

t is infinite also ? Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent: Wednesday, May 20, 2020 1:00 PM To: users@tomcat.apache.org Subject: Re: RST on TCP level sent by Tomcat On 20/05/2020 07:02, Arshiya Shariff wrote: > Hi Team , > > 1.We are

RE: RST on TCP level sent by Tomcat

tion limit reached , when TCP closed it with RST forsuch waiting connections ? >>> As it is a production issue, it's hard for us to reproduce this at our end >>> and retest. Thanks and Regards Arshiya Shariff -Original Message- From: Mark Thomas Sent:

RE: RST on TCP level sent by Tomcat

: 9.0.22 Thanks and Regards Arshiya Shariff -Original Message- From: Arshiya Shariff Sent: Monday, May 18, 2020 4:45 PM To: Mark Thomas ; users@tomcat.apache.org Cc: M Venkata Pratap M Subject: RE: RST on TCP level sent by Tomcat Hi Mark, Thank you for the quick response. Please

RE: RST on TCP level sent by Tomcat

> that has been closed. Why does tomcat not send GOAWAY on connection close, upon next request from client it sends RST ? Also, Can you please send us the references to the timeout related fixes in 9.0.35 (since 9.0.22). Thanks and Regards Arshiya Shariff -Original Message- From:

RST on TCP level sent by Tomcat

Hardware : Red Hat Enterprise Linux Server release 7.4 Thanks and Regards Arshiya Shariff

RST on TCP level sent by Tomcat

: Red Hat Enterprise Linux Server release 7.4 Thanks and Regards Arshiya Shariff