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-2
votes
1answer
32 views

Dangers of NTFS compression? [on hold]

What are the dangers of NTFS compression? Can I lose files? What if say my CPU, motherboard or PSU burns? What if some data on my HDD becomes corrupted?
3
votes
2answers
982 views

Apache/2.2.20 (Ubuntu 11.10) gzip compression won't work on php pages, content is chunked

I'm running into a problem with a new production server whereto I'm transferring projects. The HTML output of the PHP applications isn't compressed by the Apache mod_deflate module. Other resources, ...
1
vote
2answers
35 views

Compress concrete files on dfs

We work with a lot of Microsoft Access files for different costumers. That files are saved in different folders(also in subfolders) for every year separated by year,costumer ,month, etc. The main ...
2
votes
1answer
40 views

Hardware compression on tape drives: does it still make sense?

Does hardware compression still make sense on tape drives, considering the performance of modern CPUs? Also, what should I do if I have some data which is already compressed in GZIP and my drive is ...
0
votes
3answers
3k views

How to disable SSL/TLS compression in Apache 2.2.16?

I have one sever running on Apache 2.2.16. I run the VA scanner on the server. According to the VA report it is recommended that SSL/TLS compression should be off. I tried to search google, but didnt ...
8
votes
3answers
3k views

Why is IIS 7 is ignoring certain (but not all) MIME types for compression? Giving error: DYNAMIC_COMPRESSION_NOT_SUCCESS - Reason 12

So, I'm a bit of an IIS7 n00b but I've used most of the old IIS systems going back to 3. I'm trying to turn on dynamic compression and it's working, mostly. It doesn't work for my ADO.Net Data ...
0
votes
1answer
56 views

Mounting compressed filesystem using FUSE

I'd like to move some folders on my computer to a compressed read/write images, so I could get it to take less disk space on my machine (the folders contain some Mercurial and Git repositories). ...
11
votes
11answers
6k views

Best compression for ZFS send/recv

I'm sending incremental ZFS snapshots over a point-to-point T1 line and we're to a point where a day's worth of snapshots can barely make it over the wire before the next backup starts. Our send/recv ...
1
vote
2answers
2k views

Transparent compression filesystem in conjunction with ext4

I am trying to test a project that needs compressed storage with use of the ext4 file system since the application I use relies on ext4 features. Are there any production/stable solutions out there ...
2
votes
3answers
483 views

Should I use rsync compression over a gigabit LAN?

I normally use rsync's -z option to enable compression when transferring files over the internet. However, if I am on my own (idle) gigabit LAN, do I still want compression? Or will it be faster ...
-2
votes
3answers
149 views

How to set apache 2.2 gzip compression level?

I am running Debian and Apache/2.2.22 I have gzip enabled, and I would like to know, what is my compression level and how to change it. I know this can be achieved editing php.ini, but I would like to ...
0
votes
1answer
2k views

How to disable gzip compression for particular virtual host apache

Im using Apache and I have enabled zip compression to all my virtual host domain. However, I want to disable the gzip compression on one particular virtual host only. I try this method. All separated ...
83
votes
8answers
77k views

How to zip/unzip files in Powershell?

Is there a one-liner that will zip/unzip files (*.zip) in PowerShell?
1
vote
1answer
21 views

SQL Server 2012 Backups Not Compressing

We recently upgraded from SQL Server 2008R2 to SQL Server 2012 Enterprise. After doing this I noticed that our DB backups were barely compressing at all. Our 22gb DB was compressing down to about 4gb ...
3
votes
2answers
5k views

HTTP gzip compression not working for css or javascript in tomcat 6

Connector settings: <Connector ... compression="2048" noCompressionUserAgents="gozilla, traviata" compressionMimeType="text/html,text/xml,text/plain,text/css,text/javascript"/> This seems to ...
1
vote
0answers
49 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. ...
0
votes
1answer
552 views

How to ideally store images on Amazon S3

I want to store a huge number of images on Amazon S3 (served via Cloudfront). Currently the way I am doing is simply dumping the images and having basic HTTP Cache headers set to a month so that users ...
0
votes
0answers
56 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* ...
3
votes
4answers
540 views

Does ZFS cache Compressed or Uncompressed data in a ZFS file-system with compression turned on?

ZFS supports file-system compression and it also caches frequently or recently accessed data. If a system has lots of CPU but the underlying data storage system is slow. It is possible that ZFS would ...
4
votes
2answers
2k views

SSH compression

I want max compression on my ssh tunnel cos I'm on a dialup line ;) At the man page can one can read: CompressionLevel .....The meaning of the values is the same as in gzip(1). ...
1
vote
2answers
516 views

gzip compression increases performance, then eventually increases response time from server

Here is my current server scenario. I'm running on a Rackspace Cloud instance (16GB of RAM), using cPanel/WHM on a CentOS 5.5 install. I'm currently running about 10 Magento sites, all varying in ...
0
votes
1answer
474 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 ...
0
votes
2answers
1k views

Random files are compressed on the disk

I am now managing Windows Server 2003 originally setup by someone else. What I noticed is that even though file compression is not turned on at the drive level (when I go to drive Properties ...
0
votes
1answer
556 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/ ...
0
votes
0answers
24 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
78 views

GZIP compression for merged and specific files

My Website is using a CMS (Typo3) that has the feature to merge and compress all JavaScript and CSS Files. With htaccess i also enable the server side gzip feature which will work fine. But it seems ...
0
votes
3answers
83 views

Fast Compression of Database Backups

Background: I need to revise/improve an automated process I created a couple years ago on a group of servers. The process goes as follows: Generate full backups of all SQL databases available in a ...
1
vote
2answers
826 views

7zip logging & left-over .tmp files

I have a batch file that runs nightly to compress some PST's, it uses 7zip & generally is pretty successful. However it tends to create left-over .tmp files (9 over 2 days), I want to delete ...
0
votes
0answers
103 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 ...
2
votes
2answers
1k views

Setting MySQL INNODB Compression KEY_BLOCK_SIZE

I recently started using the Barracuda InnoDB/MySQL table format which allows compression. I compressed one of my tables by running: alter table pricing row_format=compressed, key_block_size=8; ...
0
votes
1answer
1k views

Compress with Gzip or Deflate my CSS & JS files [closed]

i ve a fashion website & using wordpress. I want to Compress or Gzip or Deflate my CSS & JS files. i have tried many codes with .htaccess to compress but not working. Would any body help me ...
0
votes
1answer
491 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 ...
9
votes
9answers
2k views

On a modern system, will using disk compression give me better overall performance?

It seems that CPU increases have outpaced disk speed for a while. Assuming a desktop or laptop with modern dual core Intel/AMD CPU and a single average SATA disk, would doing compression on most all ...
1
vote
0answers
60 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 ...
-1
votes
1answer
729 views

How can I speed up my Duplicity backup?

I need to perform onsite backups of hundreds of gigabytes from a few Xen VMs to some storage available on a dedicated server in the same network, with a Gigabit connection. The data is mostly MySQL ...
10
votes
8answers
14k views

How to check if Apache compression is working?

I just added the following to my Apache config file: AddOutputFilterByType DEFLATE text/html text/plain text/xml How do I check if it is actually working? Nothing on the browser tells me if the ...
0
votes
1answer
85 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 ...
5
votes
1answer
3k views

How well does elasticsearch compress data?

I am looking to scope the servers required for an elasticsearch proof-of-concept. Ultimately, my question is this: Given 1GB of json text indexed by elasticsearch, how much can I expect to be ...
2
votes
1answer
2k views

Disable compression on SSL/TLS connections in Apache < 2.2.16 using mod_header

Because of CRIME, as I understand, compression on SSL connections have to be turned off. In newer versions of apache this can be done with a newly introduced directive SSLCompression off, in older ...
0
votes
1answer
51 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
0answers
135 views

GZip compression won't enable - Works fine on one site but not another

So this is a bit of a weird one... I've had a site hosted on my server for quite a while which has GZip compression enabled in Apache, using htaccess. I recently made a new site on the same server, ...
1
vote
2answers
288 views

Should I compress resources with a loadbalancer (Nginx) or with a web server (IIS7)?

I have the following setup: Nginx (1.1.19) on the front as a reverse proxy / loadbalancer IIS7 at the back as web servers MySQL as a database I am trying to figure out whether to compress static ...
2
votes
1answer
157 views

How can find out how much space I'll save with NTFS compression before compressing?

Is there a way to estimate how much space I would save by compressing a folder with NTFS compression without actually compressing the folder? This is on a Windows 2008 R2 server in case that makes a ...
1
vote
2answers
112 views

How to enable gzip for files not on your server?

I'm running a gtmetrix.com report against my site. I get an F(41) for gzip compression. I don't own the two problem files mentioned for this penality. One file is a CSS on Mailchimp's server. Another ...
0
votes
2answers
472 views

Need compression utility which uses all CPUs and compresses the best [closed]

I uses RAR since it was released a decade ago perhaps. However it is good for desktop applications I just found that on server where I need to compress a lot of text files every weekend it takes ages. ...
-1
votes
1answer
61 views

How to tar into a directory. [duplicate]

I would like to be able to tar all of my files so that when the are extracted they're in a sub directory I have specified. For example if I have File1 File2 and File3 inside of my current directory I ...
0
votes
2answers
544 views

Protection against “CRIME attack”/Disable SSL compression under Ubuntu/Apache/2.2.22

I'm trying to disable SSL compression in my server, but can't because SSLCompression option isn't yet avaliable with my current apache installation. I found a patch that will give me that option ...
2
votes
0answers
154 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 ...
1
vote
1answer
131 views

backup files with many duplicated files

I frequently need to do a backup of a group of files, with many subfolders which contain several large, identical files. Is there a compression scheme (.zip, .7z, etc) which can automatically detect ...
0
votes
1answer
387 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 ...