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1answer
30 views

Which compressed file formats are efficient with rsync?

Every system admin knows that rsync is the way to go if you need to do backups of large files, e. g. a database file: since it uses delta compression, it only overwrites blocks that have been modified ...
2
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0answers
19 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 ...
2
votes
2answers
120 views

Mirroring harddisk with compressed files with Robocopy

I tried to mirroring an existing disks on a new disks with less space. It is very important that the file structure, attributes and ACL's are exact as on the source disk. For this I tried ...
-2
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1answer
38 views

Dangers of NTFS compression? [closed]

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?
1
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2answers
39 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 ...
0
votes
1answer
90 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). ...
2
votes
1answer
46 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 ...
1
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2answers
3k 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
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3answers
1k 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 ...
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votes
3answers
257 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 ...
1
vote
1answer
26 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 ...
0
votes
1answer
625 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 ...
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0answers
58 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
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0answers
71 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
1answer
551 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
1answer
668 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
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0answers
25 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
87 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
96 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 ...
0
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0answers
121 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 ...
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
581 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 ...
1
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0answers
66 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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votes
1answer
888 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 ...
0
votes
1answer
93 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 ...
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
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0answers
145 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
300 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
175 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 ...
0
votes
3answers
4k 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 ...
1
vote
2answers
129 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 ...
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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
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2answers
602 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
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0answers
163 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
142 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
408 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 ...
10
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2answers
1k views

Is it good practice to use NTFS Compression on IIS Log folders?

Is it a good practice to use NTFS Compression on a IIS Log folders and files? I was able to go down from 20GB to 7GB by doing this. The IIS logs are per day, and have an average size of 20MB but some ...
1
vote
2answers
950 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 ...
2
votes
1answer
3k 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 ...
2
votes
1answer
403 views

Gzip command to produce exact same output than tar -cvzf?

I did thought the following commands where equivalent, but they produce different checksums: tar -cvzf ... and tar -cvf ...; gzip ... does not produce the same output. sha1sumdiffers. What would be ...
3
votes
2answers
2k views

View/Find all compressed files on the server?

I need to find all compressed files/folders regardless of file format on a Windows Server 2003 machine. Search options do not provide this capability. Is there a way to list/view all compressed ...
3
votes
1answer
240 views

How can i handle huge log files?

I am running SSD servers because I have great experiences with performance. However I have webservers which serve lots of requests and the uncompresssed logfiles of one day tend to grow out the ...
2
votes
1answer
975 views

enabling gzip with htaccess…why is it hit or miss?

I have shared hosting through Justhost. I use the HTML5 Boilerplate .htaccess (have tried other methods from here and there without luck) the compression part is as follows: <IfModule ...
2
votes
2answers
455 views

What's faster, cp -R or unpacking tar.gz files?

I have some tar.gz files that total many gigabytes on a CentOS system. Most of the tar.gz files are actually pretty small, but the ones with images are large. One is 7.7G, another is about 4G, and a ...
0
votes
1answer
3k 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 ...
0
votes
2answers
286 views

Content not being compressed even though I'm using zlib in php.ini

I've edited my php.ini file so that it has these two entries: zlib.output_compression = On zlib.output_compression_level = 4 However, after restarting apache, when I request php pages, the headers ...
0
votes
1answer
2k views

What is the best way to compress backend to nginx reverse proxy data?

We are going to be running a nginx reverse proxy that will pull data from a backend via the internet. What we mean by via the internet is the backend machine will not be on a lan with the front ...
4
votes
1answer
6k views

Disable deflate compression in nginx SSL

When I'm browsing to my SSL protected site running nginx with Chrome, I see I'm using TLS 1.0, AES_256_CBC with SHA-1, and DHE_RSA as key exchange. That's all good and in conformance with my cipher ...
5
votes
3answers
180 views

how to make rsync not uncompressing files?

I'm using rsync to copy files between servers, I'm using -z option what compresses data only for the network transfer stage. But I would like to leave compressed files on remote machine and I have ...