Mailing List Archive: Varnish: Bugs

#1029: ESI mixes compressed and noncompressed output

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varnish-bugs at varnish-cache

Oct 7, 2011, 6:19 AM

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#1029: ESI mixes compressed and noncompressed output

#1029: ESI mixes compressed and noncompressed output
--------------------+-------------------------------------------------------
Reporter: sthing | Type: defect
Status: new | Priority: normal
Milestone: | Component: varnishd
Version: 3.0.1 | Severity: normal
Keywords: |
--------------------+-------------------------------------------------------
I normally have gzip compression on html served by apache.
Today I disabled gzip compression when debugging a client side problem.

When I reloaded my page the requested URL was refetched from the server,
and the ESI-page was taken from cache.
Varnish delivered a page with the outer HTML non-compressed but the ESI-
part compressed.

Source files, result, lines from varnishlog and tcpdump attached.

--
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1029>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator

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varnish-bugs at varnish-cache

Oct 10, 2011, 3:10 AM

Post #2 of 7 (336 views)
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Re: #1029: ESI mixes compressed and noncompressed output [In reply to]

varnish-bugs at varnish-cache

Oct 10, 2011, 6:09 AM

Post #3 of 7 (335 views)
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Re: #1029: ESI mixes compressed and noncompressed output [In reply to]

#1029: ESI mixes compressed and noncompressed output
----------------------+-----------------------------------------------------
Reporter: sthing | Owner: lkarsten
Type: defect | Status: new
Priority: normal | Milestone:
Component: varnishd | Version: trunk
Severity: normal | Keywords:
----------------------+-----------------------------------------------------
Changes (by lkarsten):

* version: 3.0.1 => trunk

Comment:

I am able to reproduce this bug on (varnish-3.0.0 revision cbf1284)
and on trunk (7a0dc3f).

root [at] imme:~# a2enmod deflate; service apache2 restart;
lkarsten [at] imme:~$ GET -Used -H "Accept-Encoding: gzip"
http://localhost:81/1029/esi.html
root [at] imme:~# a2dismod deflate; service apache2 restart;

# gives part plaintext, part gziped response, without Content-Encoding
header.
lkarsten [at] imme:~$ GET -H "Accept-Encoding: gzip" -Use
http://localhost:81/1029/main.html

--
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1029#comment:2>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator

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varnish-bugs at varnish-cache

Oct 17, 2011, 5:23 AM

Post #4 of 7 (309 views)
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Re: #1029: ESI mixes compressed and noncompressed output [In reply to]

#1029: ESI mixes compressed and noncompressed output
----------------------+-----------------------------------------------------
Reporter: sthing | Owner: lkarsten
Type: defect | Status: new
Priority: normal | Milestone:
Component: varnishd | Version: trunk
Severity: normal | Keywords:
----------------------+-----------------------------------------------------

Comment(by kristian):

This really does sound like a dupe of #899.

This should also be avoidable if you use beresp.do_gzip, which means
Varnish will compress the content regardless of what apache says.

I'm leaving it open for now, as I'm not entirely satisfied with the
"solution" in #899 and want a discussion first.

--
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1029#comment:3>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator

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varnish-bugs at varnish-cache

Nov 1, 2011, 3:49 AM

Post #5 of 7 (271 views)
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Re: #1029: ESI mixes compressed and noncompressed output [In reply to]

#1029: ESI mixes compressed and noncompressed output
----------------------+-----------------------------------------------------
Reporter: sthing | Owner: lkarsten
Type: defect | Status: closed
Priority: normal | Milestone:
Component: varnishd | Version: trunk
Severity: normal | Resolution: fixed
Keywords: |
----------------------+-----------------------------------------------------
Changes (by Poul-Henning Kamp <phk@…>):

* status: new => closed
* resolution: => fixed

Comment:

(In [374c3a235fec63ee4f213696fc43731fd329ac2e]) Add a missing case: ESI
parent document gunzip'ed but included
document gzip'ed.

Fixes #1029

--
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1029#comment:4>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator

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varnish-bugs at varnish-cache

Nov 1, 2011, 3:52 AM

Post #6 of 7 (272 views)
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Re: #1029: ESI mixes compressed and noncompressed output [In reply to]

varnish-bugs at varnish-cache

Nov 1, 2011, 5:02 AM

Post #7 of 7 (270 views)
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Re: #1029: ESI mixes compressed and noncompressed output [In reply to]

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