Discussion:
HTTP/2 SETTINGS Parameters and WINDOW_UPDATE : Tomcat:9.0.11
S Abirami
2018-10-27 16:27:19 UTC
Permalink
Hi All,

I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE, SETTINGS_ENABLE_PUSH, SETTINGS_INITIAL_WINDOW_SIZE etc which is mentioned 6.5.2 section in RFC 7540

Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
We are using jdk 1.8u181 for java.

Please help me here.

Regards,
Abirami.S

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Mark Thomas
2018-10-27 17:54:13 UTC
Permalink
Post by S Abirami
Hi All,
I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE,
Defaults to 4k. Not configurable.
Post by S Abirami
SETTINGS_ENABLE_PUSH,
Defaults to true. Not configurable.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE
See http://tomcat.apache.org/tomcat-9.0-doc/config/http2.html
Post by S Abirami
etc which is mentioned 6.5.2 section in RFC 7540
Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
You don't. Tomcat handles that.

Mark

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S Abirami
2018-10-29 06:21:20 UTC
Permalink
Hi Mark Thomas,

Thanks for response.

Need input on the below param

SETTINGS_MAX_FRAME_SIZE :
Windows_Update has Window Size Increment (31) ,please share the default value in Tomcat.

Please confirm the below of my assumption for the Setting parameter and Windows_Update is correct

SETTINGS_MAX_CONCURRENT_STREAMS : We can use " maxConcurrentStreamExecution"
SETTINGS_MAX_HEADER_LIST_SIZE : maxHeaderSize
SETTINGS_INITIAL_WINDOW_SIZE : initialWindowSize


Regards,
Abirami.S
-----Original Message-----
From: Mark Thomas [mailto:***@apache.org]
Sent: Saturday, October 27, 2018 11:24 PM
To: ***@tomcat.apache.org
Subject: Re: HTTP/2 SETTINGS Parameters and WINDOW_UPDATE : Tomcat:9.0.11
Post by S Abirami
Hi All,
I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE,
Defaults to 4k. Not configurable.
Post by S Abirami
SETTINGS_ENABLE_PUSH,
Defaults to true. Not configurable.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE
See http://tomcat.apache.org/tomcat-9.0-doc/config/http2.html
Post by S Abirami
etc which is mentioned 6.5.2 section in RFC 7540
Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
You don't. Tomcat handles that.

Mark

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To unsubscribe, e-mail: users-***@tomcat.apache.org
For additional commands, e-mail: users-***@tomcat.apache.org


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Mark Thomas
2018-10-29 12:22:44 UTC
Permalink
Post by S Abirami
Hi Mark Thomas,
Thanks for response.
Need input on the below param
Windows_Update has Window Size Increment (31) ,please share the default value in Tomcat.
16k
Post by S Abirami
Please confirm the below of my assumption for the Setting parameter and Windows_Update is correct
SETTINGS_MAX_CONCURRENT_STREAMS : We can use " maxConcurrentStreamExecution"
Correct.
Post by S Abirami
SETTINGS_MAX_HEADER_LIST_SIZE : maxHeaderSize
Incorrect. Defaults to unlimited. Not configurable. Note that Tomcat
will apply other limits, not related to the protocol including
maxHeaderSize.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE : initialWindowSize
Correct.

Mark
Post by S Abirami
Regards,
Abirami.S
-----Original Message-----
Sent: Saturday, October 27, 2018 11:24 PM
Subject: Re: HTTP/2 SETTINGS Parameters and WINDOW_UPDATE : Tomcat:9.0.11
Post by S Abirami
Hi All,
I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE,
Defaults to 4k. Not configurable.
Post by S Abirami
SETTINGS_ENABLE_PUSH,
Defaults to true. Not configurable.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE
See http://tomcat.apache.org/tomcat-9.0-doc/config/http2.html
Post by S Abirami
etc which is mentioned 6.5.2 section in RFC 7540
Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
You don't. Tomcat handles that.
Mark
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S Abirami
2018-10-29 12:36:51 UTC
Permalink
Hi Mark,

Thanks for response .

Please confirm whether

Windows_Update has Window Size Increment (31) is configurable in Tomcat.
SETTINGS_MAX_FRAME_SIZE : Whether this param is configurable in Tomcat and what is the default value.

Regards,
Abirami.S

-----Original Message-----
From: Mark Thomas [mailto:***@apache.org]
Sent: Monday, October 29, 2018 5:53 PM
To: ***@tomcat.apache.org
Subject: Re: HTTP/2 SETTINGS Parameters and WINDOW_UPDATE : Tomcat:9.0.11
Post by S Abirami
Hi Mark Thomas,
Thanks for response.
Need input on the below param
Windows_Update has Window Size Increment (31) ,please share the default value in Tomcat.
16k
Post by S Abirami
Please confirm the below of my assumption for the Setting parameter
and Windows_Update is correct
SETTINGS_MAX_CONCURRENT_STREAMS : We can use " maxConcurrentStreamExecution"
Correct.
Post by S Abirami
SETTINGS_MAX_HEADER_LIST_SIZE : maxHeaderSize
Incorrect. Defaults to unlimited. Not configurable. Note that Tomcat will apply other limits, not related to the protocol including maxHeaderSize.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE : initialWindowSize
Correct.

Mark
Post by S Abirami
Regards,
Abirami.S
-----Original Message-----
Sent: Saturday, October 27, 2018 11:24 PM
Tomcat:9.0.11
Post by S Abirami
Hi All,
I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE,
Defaults to 4k. Not configurable.
Post by S Abirami
SETTINGS_ENABLE_PUSH,
Defaults to true. Not configurable.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE
See http://tomcat.apache.org/tomcat-9.0-doc/config/http2.html
Post by S Abirami
etc which is mentioned 6.5.2 section in RFC 7540
Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
You don't. Tomcat handles that.
Mark
---------------------------------------------------------------------
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To unsubscribe, e-mail: users-***@tomcat.apache.org
For additional commands, e-mail: users-***@tomcat.apache.org

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Mark Thomas
2018-10-29 18:06:57 UTC
Permalink
Sending a private email to an individual to try and elicit a response is
not viewed as acceptable behaviour on this list.

Speaking personally, it will not cause me to answer a question any
faster. At best, I'll answer when I'm ready. Catch me in a bad mood and
I may choose not to answer at all.

If you want replies to questions provided in specific timescales, you'll
need to find and pay for commercial support.

Given that Tomcat is open source, have you considered looking at the
source code?
Hint: org.apache.coyote.http2

Mark
Post by S Abirami
Hi Mark,
Thanks for response .
Please confirm whether
Windows_Update has Window Size Increment (31) is configurable in Tomcat.
SETTINGS_MAX_FRAME_SIZE : Whether this param is configurable in Tomcat and what is the default value.
Regards,
Abirami.S
-----Original Message-----
Sent: Monday, October 29, 2018 5:53 PM
Subject: Re: HTTP/2 SETTINGS Parameters and WINDOW_UPDATE : Tomcat:9.0.11
Post by S Abirami
Hi Mark Thomas,
Thanks for response.
Need input on the below param
Windows_Update has Window Size Increment (31) ,please share the default value in Tomcat.
16k
Post by S Abirami
Please confirm the below of my assumption for the Setting parameter
and Windows_Update is correct
SETTINGS_MAX_CONCURRENT_STREAMS : We can use " maxConcurrentStreamExecution"
Correct.
Post by S Abirami
SETTINGS_MAX_HEADER_LIST_SIZE : maxHeaderSize
Incorrect. Defaults to unlimited. Not configurable. Note that Tomcat will apply other limits, not related to the protocol including maxHeaderSize.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE : initialWindowSize
Correct.
Mark
Post by S Abirami
Regards,
Abirami.S
-----Original Message-----
Sent: Saturday, October 27, 2018 11:24 PM
Tomcat:9.0.11
Post by S Abirami
Hi All,
I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE,
Defaults to 4k. Not configurable.
Post by S Abirami
SETTINGS_ENABLE_PUSH,
Defaults to true. Not configurable.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE
See http://tomcat.apache.org/tomcat-9.0-doc/config/http2.html
Post by S Abirami
etc which is mentioned 6.5.2 section in RFC 7540
Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
You don't. Tomcat handles that.
Mark
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S Abirami
2018-10-30 06:28:08 UTC
Permalink
Hi Thomas,

Thanks for your response still now.
It helped me lot. As in earlier mail , I have partial reply . Hence sent both user alias and individual to get the response.

I hope ,I sent in a wrong time where your mail expose your mood. I will check on the package org.apache.coyote.http2.
I hope we have payed support also. I will check on that aspect also.
Sorry if my individual mail troubles you.

Regards,
Abirami.S
-----Original Message-----
From: Mark Thomas [mailto:***@apache.org]
Sent: Monday, October 29, 2018 11:37 PM
To: ***@tomcat.apache.org
Subject: Re: HTTP/2 SETTINGS Parameters and WINDOW_UPDATE : Tomcat:9.0.11

Sending a private email to an individual to try and elicit a response is not viewed as acceptable behaviour on this list.

Speaking personally, it will not cause me to answer a question any faster. At best, I'll answer when I'm ready. Catch me in a bad mood and I may choose not to answer at all.

If you want replies to questions provided in specific timescales, you'll need to find and pay for commercial support.

Given that Tomcat is open source, have you considered looking at the source code?
Hint: org.apache.coyote.http2

Mark
Post by S Abirami
Hi Mark,
Thanks for response .
Please confirm whether
Windows_Update has Window Size Increment (31) is configurable in Tomcat.
SETTINGS_MAX_FRAME_SIZE : Whether this param is configurable in Tomcat and what is the default value.
Regards,
Abirami.S
-----Original Message-----
Sent: Monday, October 29, 2018 5:53 PM
Tomcat:9.0.11
Post by S Abirami
Hi Mark Thomas,
Thanks for response.
Need input on the below param
Windows_Update has Window Size Increment (31) ,please share the default value in Tomcat.
16k
Post by S Abirami
Please confirm the below of my assumption for the Setting parameter
and Windows_Update is correct
SETTINGS_MAX_CONCURRENT_STREAMS : We can use " maxConcurrentStreamExecution"
Correct.
Post by S Abirami
SETTINGS_MAX_HEADER_LIST_SIZE : maxHeaderSize
Incorrect. Defaults to unlimited. Not configurable. Note that Tomcat will apply other limits, not related to the protocol including maxHeaderSize.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE : initialWindowSize
Correct.
Mark
Post by S Abirami
Regards,
Abirami.S
-----Original Message-----
Sent: Saturday, October 27, 2018 11:24 PM
Tomcat:9.0.11
Post by S Abirami
Hi All,
I want your guidance how to set the below Setting Parameters and Wndows_Update using Tomcat.
SETTINGS_HEADER_TABLE_SIZE,
Defaults to 4k. Not configurable.
Post by S Abirami
SETTINGS_ENABLE_PUSH,
Defaults to true. Not configurable.
Post by S Abirami
SETTINGS_INITIAL_WINDOW_SIZE
See http://tomcat.apache.org/tomcat-9.0-doc/config/http2.html
Post by S Abirami
etc which is mentioned 6.5.2 section in RFC 7540
Similarly How to set the Windows_Update using Tomcat which is mentioned in the 6.9 section in RFC 7540.
You don't. Tomcat handles that.
Mark
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B�KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKCB��[��X��ܚX�KK[XZ[�\�\��][��X��ܚX�P�X�] �\X�K�ܙ�B��܈Y][ۘ[��[X[��K[
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