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Re: How does Nginx look-up cached resource?

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Maxim Dounin

September 10, 2015 11:34AM

Hello!

On Thu, Sep 10, 2015 at 05:07:36PM +0200, Sergey Brester wrote:

> Leave header format unchanged (I mean changes in header file
> 'src/http/ngx_http_cache.h'), but not calculate and not compare crc32
> (unused / reserved up to "change cache header format next time")?

Even that way resulting cache files will not be compatible with
older versions which do the check, thus breaking upgrades (when
cache items can be used by different versions simultaneously for a
short time) and, more importantly, downgrades (which sometimes
happen due to various reasons).

--
Maxim Dounin
http://nginx.org/

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Subject	Author	Views	Posted
How does Nginx look-up cached resource?	Shuxin Yang	942	September 03, 2015 09:40PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	307	September 04, 2015 09:24AM
Re: How does Nginx look-up cached resource?	Sergey Brester	348	September 04, 2015 11:38AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	338	September 04, 2015 02:12PM
Re: How does Nginx look-up cached resource?	Sergey Brester	448	September 04, 2015 02:58PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	298	September 04, 2015 03:44PM
Re: How does Nginx look-up cached resource?	Sergey Brester	334	September 04, 2015 05:02PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	343	September 05, 2015 08:10PM
Re: How does Nginx look-up cached resource?	Sergey Brester	386	September 07, 2015 09:36AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	362	September 07, 2015 12:20PM
Re: How does Nginx look-up cached resource?	Sergey Brester	302	September 07, 2015 12:34PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	363	September 04, 2015 05:22PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	328	September 05, 2015 09:58PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	308	September 07, 2015 10:46AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	294	September 07, 2015 01:00PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	433	September 07, 2015 03:30PM
Re: How does Nginx look-up cached resource?	Sergey Brester	405	September 07, 2015 05:24PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	559	September 07, 2015 07:20PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	479	September 07, 2015 09:42PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	441	September 08, 2015 05:08PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	468	September 09, 2015 01:18PM
Re: How does Nginx look-up cached resource?	Sergey Brester	338	September 10, 2015 05:58AM
Re: How does Nginx look-up cached resource?	Sergey Brester	332	September 10, 2015 08:56AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	357	September 10, 2015 10:48AM
Re: How does Nginx look-up cached resource?	Sergey Brester	319	September 10, 2015 11:08AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	323	September 10, 2015 11:34AM
Re: How does Nginx look-up cached resource?	Sergey Brester	332	September 10, 2015 11:56AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	347	September 10, 2015 01:00PM
Re: How does Nginx look-up cached resource?	Sergey Brester	611	September 10, 2015 04:54PM

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