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Questions tagged [gzip]

Gzip is any of several software applications used for file compression and decompression. The term usually refers to the GNU Project's implementation, "gzip" standing for GNU zip. It is based on the DEFLATE algorithm, which is a combination of Lempel-Ziv (LZ77) and Huffman coding.

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Why is gzip compression varying in efficiency in IIS?

While running Fiddler, I noticed something odd in a request for a static ~5MB XML file to my server: Despite sending byte-for-byte identical headers (Edit: Including the headers), the responses were ...
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Content-Length not sent when gzip compression enabled in Apache?

I would really appreciate some help understanding this Apache behaviour. I am communicating to PHP from an iPhone Objective-C app in application/json. Gzip compression is enabled on the server, and ...
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Grepping through .gz log files

Does there exist a magical shell piping which would allow easily to grep through bunch of .gz log files without needing to extract them somewhere? .gz files are Apache logs, result of log rotation. I'...
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“tar cfz” versus “tar cf - | gzip”: are they different? (or how to improve a backup)

I want to speed up my backup done with tar cfz, the common way to do it. But day by day my backed up files grow so it becomes slower. I was thinking to take advantage of the several cores available ...
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3answers
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Linux gzip multiple subdirectories into separate archives?

How would I be able to compress subdirectories into separate archives? Example: directory subdir1 subdir2 Should create subdir1(.tar).gz and subdir2(.tar).gz
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How to limit nginx access log file size and compress?

I'm hoping to get some direction on how to set up truncating and gzip'ing on my domains' access logs. I notice that the core nginx access logs get split and compressed by default, yet my individual ...
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Need help with some IIS7 web.config compression settings

I'm trying to configure my IIS7 compression settings in my web.config file. I'm trying to enable HTTP 1.0 requests to be gzip. MSDN has all the info about it here. Is it possible to have this config ...
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2answers
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How can I troubleshoot why my IIS7 site is not gzip compressing?

I've got a number of websites on a single IIS7 machine running W2K8. I'm using Fiddler to help me figure out if something is compressed or not. Nothing is. So, I've googled for a few things and ...
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nginx gzip_static: why are the non-compressed files required?

I'm working with nginx 1.4.4 running on Ubuntu 12.04.4. nginx is reverse-proxing a cluster of Rails application servers. Static files (mostly assets) are served directly, without hitting the ...
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2answers
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nginx gzip enabled but not not gzipping

I have gzip enabled on nginx 1.2.8, but for some reason, it is not gzipping anything. Nginx install info: nginx version: nginx/1.2.8 built by gcc 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1) TLS SNI ...
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1answer
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Gzip pre-compression

I'm using mod_deflate to compress my .css and .js files on the fly: <ifmodule mod_deflate.c> AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-...
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1answer
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Apache output compression working for CSS/JS but not PHP

I have this in my .htaccess: <IfModule mod_deflate.c> <FilesMatch "\.(js|css|php)$"> SetOutputFilter DEFLATE </FilesMatch> </IfModule> Testing files on my ...
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1answer
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Enable gzip on Nginx

Yes, I know that there are a lot of other questions that seem exactly like this out there. I think I must've looked all of them. Twice. In desparation, I'm adding another in case my specific ...
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2answers
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nginx gzip_static removes Content-Encoding header

My http block defines various gzip rules. Then in where I have pre-comporessed gzip files I’m using the gzip_static module. i.e. something like: http { gzip on; #... server { #...