Decrease the size of data, typically to preserve space or reduce network bandwidth required while transmitting files. It can be applied to files, folders, disks, etc.

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2
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1answer
69 views

backup compression ratio in SQL 2012 worse than in SQL 2008

We have SQL 2008 Enterprise with TDE enabled and upgraded to SQL 2012 with TDE still enabled. Everything works fine except that I am getting worse backup compression than in SQL 2008. I do ...
1
vote
1answer
104 views

Can't get included CSS and JS files to be compressed

I have enabled compression via .htaccess and in httpd.conf However when I run it through the various online testers, its always saying that various included files are not compressed. Apache version ...
1
vote
1answer
411 views

Avoid double (de)compression in Subversion with Apache

I have a Subversion 1.8 server configured with Apache 2.2 on windows 2003. The server I have is a little bit old and it has a lot of CPU peaks that I suspect are affecting its performance. This ...
1
vote
1answer
1k views

gzip compression using mod_deflate apache with tomcat

I'm trying to enable gzip compression in my Apache server which is fronting a Tomcat instance using a connector. I tried several variants of the module configuration settings in my httpd.conf. Here is ...
1
vote
1answer
783 views

Varnish 3 performs gunzip even though entire pipeline is gzipped

I'm refactoring my Varnish VCL and can't figure out this one thing. Varnish 3.0 natively supports gzipped content, and it essentially seems to do the right thing. See also: http://stackoverflow.com/a/...
1
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1answer
234 views

nginx is not compressing response by default when acting as a reverse proxy

I have nginx sitting on port 80, redirecting requests to a play framework server as described by deployment docs. I have verified that the server by default does not compress by doing the steps ...
1
vote
1answer
99 views

Can and should AppHostOnly be changed for IIS7?

A post by a Microsoft supporter on this Microsoft website states that you can't override noCompressionForHttp10 in the web.config file. Can the httpCompression section be changed from "AppHostOnly" ...
1
vote
1answer
894 views

IIS 7.5 Not Compressing Javascript: NO_MATCHING_CONTENT_TYPE

I have IIS 7.5 set to compress all static files (the default), yet it does not compress .js (javascript) files. When I turn on failed request tracing for compression, the error I get for the ...
1
vote
1answer
776 views

how nginx serves large files

We have a problem with loading a pdf file which is about 300KB size on our web page. The pdf is being served by nginx. Whenever I load the file, it shows an error saying Failed to open pdf document, ...
1
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1answer
146 views

How does random access work with compressed drives on Windows?

If one turns on drive compression in Windows Server 2003 (ignoring dire warnings of performance), how does random access to that file work? Does Windows create a temporary uncompressed version of the ...
0
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1answer
259 views

How to debug nginx + php-fpm download failures?

Downloads fail after all data downloaded on nginx + php-fpm. I'm controlling downloads of zip files (roughly 100mb each) with a PHP script that streams the file directly to the client. I'm using php-...
0
votes
1answer
1k views

Compress and remove logs from jboss on linux with cron

I need to compress and remove log files after some time from serwer. I have never write scripts before. So far i have script logs.sh: #!/bin/bash LOGS=/usr/local/jboss/server/default/log/ INFOLOG="...
0
votes
1answer
1k views

Nginx: Disable gzip-compression for http only

Because of the BREACH vulnerability I'd like to disable gzip compression for TLS traffic, but not for regular HTTP traffic. I could split up every Nginx server section into two separate TLS- and non-...
0
votes
1answer
212 views

Rsyncable Snappy?

I have some massive Cassandra clusters that I'm maintaining on EC2. Backups offsite take a long time as the snapshots have to be tar-ed and gzip-ed and pushed over the network from the EC2 instance ...
0
votes
1answer
69 views

Check if traffic is gzipped

I have an application server running on port 80. How can I check if the incoming and outgoing traffic is gzipped? Also, the application communicates with another server (also HTTP requests). I'd like ...
0
votes
1answer
292 views

Deleting Files in a Zip Archive on Linux

I have a situation where I need to be able to run a script and delete specific files within a zip archive. Below is the general setup /mnt/directory /mnt/directory/Folder1 /mnt/directory/Folder1/...
0
votes
1answer
635 views

how to uncompress memcached content via nginx?

I'm using memcached to store html content ready for nginx to display but I'm getting the compressed output in the browser. It works if I turn off compression in PHP but doubles the response time ...
0
votes
1answer
362 views

IIS7 compression failing with “COMPRESSION_DISABLED” despite having the option enabled

I have been unable to get GZIP compression working on my IIS7.5 server. I have tried all the suggestions online, including here at ServerFault and no matter what, the trace always comes back stating "...
0
votes
1answer
350 views

Serve pre-compressed html files using apache2, functionality equivalent to mod_gunzip

Is there a way to implement mod_gunzip's functionality using apache filters? Store gzipped files on the server, hand out compressed data to the browsers that can cope with it and uncompress it for ...
0
votes
1answer
518 views

Enable Http Compression in IIS 7.5

I'm trying to enable HTTP compression to my web site, my server is running Windows 2008R2 and IIS 7.5. I followed these steps: installed static and dynamic compression through the Serve manager. ...
0
votes
1answer
151 views

Do any of you use lrzip on your servers?

I have been reading about this: https://github.com/epa/lrzip and it seems that lrzip gets more bang for your money. My initial tests however showed takes quite long using lrztar. Any one here have ...
0
votes
1answer
219 views

How to enable IIS compression for Web Services?

How do I enable compression for the Web Services request? I've an IIS 6 server that, using the ISAPI filder from Apache, routes the incoming connection to a set of web application running on JBoss. ...
0
votes
1answer
188 views

compression: httpZip vs Anything IIS 7 has to offer

I'm trying to evaluate IIS compression tools out there, and saw httpZip. I was wondering if anyone could make a recommendation, did it help and was it substantial? Was IIS 7 even on the same level (...
5
votes
0answers
514 views

Risks of setting noCompressionForHttp10 and noCompressionForProxies to false

We recently switched to Amazon Cloudfront for static content. It seems that Cloudfront does HTTP 1.0 requests to the origin server (IIS 7.0) using the Via header. By default IIS 7.0 disables file ...
2
votes
0answers
258 views

GZip compression not working on Tomcat7

I recently tried using gzip compression to improve web UI performance. I configured Tomcat Connector as below. compression="on" compressionMinSize="2048" noCompressionUserAgents="gozilla, traviata" ...
2
votes
0answers
238 views

Cherokee force gzip compression for HTTP/1.0

I am using CloudFront with a Cherokee origin server for static files. Cherokee serves gzipped content for direct browser requests without any problem. But when CloudFront requests content, Cherokee ...
2
votes
0answers
521 views

IIS 7.5 no static or dynamic compression

I can't get static or dynamic compression to work on a new server for .ASP, .JS or .CSS files. I'm running Windows Server 2008 R2 Standard 64 bit. Under IIS Role Services, I have ASP installed, as ...
2
votes
0answers
789 views

Content Encoding Error on new IIS 7 server with PHP

I recently moved a PHP (Cake framework) development site from an IIS 6 (x86) server to an IIS 7 server (x64). The content is all the same and the URL rewriting works, but on the attempt to display the ...
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vote
0answers
48 views

Hyper-V avhd files compressed

I have inherited a machine at a client site that the previous IT person thought it would be a bright idea to compress all the AVHD and the base VHD files for one of their servers running under hyper-v ...
1
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0answers
124 views

Google PageSpeed suggests compression - but my site is https

Google PageSpeed suggests to deliver some static files like e.g. JavaScript, CSS. But as our site is HTTPS only we disabled compression in our web server because of security reasons. As far as I ...
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0answers
81 views

is there any cisco-compatible ipsec+comp module?

I am looking for a waqy to establish an Ipsec tunnel(with lzs-compression enabled) between a cisco router and a host(using strongswan or sth else). I can establish a tunnel without lzs-compression. ...
1
vote
0answers
719 views

application/json content doesn't get gzip'ed with IIS

We have some rather lengthy AJAX calls in our app, some of which transmit over 100k of data across a rather slow encrypted network. I'd like to enable G-Zip compression on application/json to speed ...
1
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0answers
116 views

http mod deflate compression works on some but not all CSS files?

I'm trying to get mod deflate and gzip setup on my server. It's all working swimmingly but it does not appear be be catching all files. It's not that it is missing ALL javascript or ALL CSS. It ...
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vote
0answers
445 views

How to unzip “Zip archive data, at least v3.0 to extract” on Ubuntu

I downloaded some virtual machine image (IE9_Win7) from modern.ie, but I can't extract it on Ubuntu 12.04. It errors out with: Archive: IE9_Win7.zip warning [IE9_Win7.zip]: 707116788 extra bytes at ...
1
vote
0answers
804 views

Compressed network file copy

I have 200 GB of SQL Server files I need to copy over a 100 Mbit connection. Assuming maximum throughput that will take five hours. SQL Server files compress very well, generally in the 80 - 90% range....
1
vote
0answers
314 views

Backup Exec has lost compression ability

We are running Backup Exec 11d (Version 11.0 Rev 6235) The server is hooked up to an HP Ultrium 440 tape drive. It has been performing very well for a few years now, it has processed about 3-400 TB. ...
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0answers
21 views

gnome file roller never overrides existing files

When using gnome file roller (Archive manager), it never seems to overwrite existing files, independent from access rights. There is also no error message. Is this expected functionality?
1
vote
0answers
224 views

Apache gzip with chucked encoding

I'm expiriencing some problem with one of my data source services. As it says in HTTP response headers it's running on Apache-Coyote/1.1. Server gives responses with Transfer-Encoding: chunked, here ...
0
votes
0answers
15 views

Adding http compression in the middle of a communication

We've a server application that communicated with a client using the http protocol. Unfortunately the client application does not support compressing the content and we've no way to change this (...
0
votes
0answers
15 views

How do you git archive a branch using gzip with highest compression level?

I'm trying to git archive a branch using gzip with the highest level compression (9) but it seems to not compress at that level. Here is my command: git -C /home/user/example.com/ archive --format ...
0
votes
0answers
22 views

Enable compression in IIS but prevent BREACH without changing code

We run IIS 8 on Windows 2012 server and I am concerned of http://breachattack.com/, this is why we disabled compression completely. This is not optimal from the page-speed analysis, however. ...
0
votes
0answers
11 views

iis 7.5 doesn't compress javascript

I can't get httpCompression to gzip my .js's This is my web.config <urlCompression doStaticCompression="true" doDynamicCompression="true"/> <serverRuntime enabled="true" ...
0
votes
0answers
34 views

IIS7 httpCompression dynamicTypes not matching the wildcard *(star) in “application/json*”

The Problem: My goal is to enable gzip compression of responses from IIS for the content-type "application/json*", but when the wildcard * is added instead of an exact string match compression ...
0
votes
0answers
20 views

How to enable static GZip compression for versioned “/style.css?v=1” resourcess in IIS?

Google PageSpeed reports that files like .css and .js are compressed, but .css?v=1 and .js?v=1 are not. How to enable static compression for files that have a dynamically changing version number in ...
0
votes
0answers
58 views

Debugging Ansible's support for compressed database imports?

The documentation for Ansible's mysql_db module says, "Uncompressed SQL files (.sql) as well as bzip2 (.bz2), gzip (.gz) and xz compressed files are supported." However, when I try to import a .gz ...
0
votes
0answers
78 views

Trying to disable Apache compression for an URL, but I can't get it to work

I'm trying to disable Apache compression for certain URLs by adding the lines below to .htaccess. I'm trying to get one URL working, but I can't get it to ignore the URL - Apache still renders those ...
0
votes
0answers
358 views

Bzip2 not deleting original files

I have a 100GB large backup file, which i compress with bzip2. But bzip2 for some reason keeps the original file. If i try it, it deletes the original file as it should: # touch file # ls file* ...
0
votes
0answers
1k views

Adding Drivers to Boot Images on Windows Deployment Server (Server 2008)

I use WDS to deploy images onto Windows PCs and laptops at work. Whenever we add a new model to be imaged, I'm usually confronted with obstacles to getting the new necessary drivers into the boot ...
0
votes
0answers
30 views

Compression with Hard Linking and Live Mounts

With Windows XP recieving its final updates in the coming months, I've been looking into how I can get all three XP versions, with the latest updates, and basic drivers, onto a single CD. In the past ...
0
votes
0answers
250 views

Copying large files to Server 2008 compressed directory very slow with no obvious reason

I've observed a curious problem with our Windows Server 2008 x64 based file server when copying large (~3GB) files from a Windows 7 x64 workstation. The copy becomes extremely slow often proceeding at ...