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.
Questions tagged [compression]
418 questions
0
votes
1 answer
How do I find out why compact command appears to hang on certain files?
After extending the hard disk sizes on a Windows 2008 server I am trying to revert the compressing of a lot of files on the hard drives.
I use the command compact /u /s /i /f /q for it.
But it appears to hang on certain files (so I can skip the…
Patrick
- 1
- 3
0
votes
2 answers
How to untar a very large file with missing space
I have reinstalled my server and before that i did a backed up.
My backup is a tar file without special compress option (meaning that the size of the tar file is approximately the same than the size of the info backed up) and after that, the tar…
0
votes
1 answer
Script isn't served compressed from IIS
I have IIS 10 running on Windows 2016 (I see exactly same behavior on Windows 2019). I enabled static compression. I can see that the browser (Chrome) sends accept-encoding: gzip, deflate, br. I can even see that a compressed version is generated in…
Felix
- 543
- 5
- 10
- 23
0
votes
1 answer
Can not run Brotli on my Nginx server
I installed Brotli on Ubuntu 18.04 with Nginx.
Here is the procedure I followed :
$ sudo apt-add-repository ppa:hda-me/nginx-stable
$ sudo apt update
$ sudo apt install brotli nginx nginx-module-brotli
With the tutorial of this blog…
ML61
- 57
- 1
- 6
0
votes
1 answer
Use of gzip with multiple, sequential nginx proxies
Consider the following server setup on a network:
In this example, both of the proxy servers are Nginx servers.
If the aim is to reduce load time for the client, should compression be used by the Nginx servers (using the gzip directive) at point A,…
Stringers
- 39
- 1
- 2
- 8
0
votes
1 answer
Why might gzip compression in IIS 6 not work for certain clients?
I recently enabled compression in IIS6 but it seems to be working for certain users and not for others. I've verified that it's working for me with Fiddler and Firebug.
For example, I have a particular static file with "sc-bytes" of 2,223, 7,272,…
Greg
- 125
- 2
- 9
0
votes
2 answers
Restoring svn backup (bzip2)
I have successfully made backup of my SVN repository as described here. However, how does one restores backed-up repository, i.e. initiate reverse operation of restoring backup, because after command:
svnadmin dump /opt/repositories/TestRepo | bzip2…
KernelPanic
- 173
- 1
- 1
- 9
0
votes
1 answer
Mount on the fly compressed filesystem
I'm looking for solution for not enough disk space on our server to store backups.
We have virtual server. When we dump data from database to disk it consumes lot of space. But it could be easily compressed by 30-50% using zip. We then move this…
Martin Mystik Jonáš
- 357
- 4
- 12
0
votes
0 answers
Postfix not adding email size flag with maildirs
Dovecot requires emails in maildirs to have ,S= -flag on emails to be compressed, but I cannot seem to find a way to make Postfix to add this flag. Is there some configuration option or is there other recommended way to get the filenames to have ,S=…
Raynet
- 511
- 2
- 4
- 11
0
votes
0 answers
Data Compression
We have an HP StorageWorks 1/8 G2 Autoloader using LTO-6 tapes working with Symantec Backup Exec 15.
I've set the backups which are going to tape to use hardware compresison "if available, otherwise software" compression.
When I look at the…
Rich M
- 273
- 2
- 17
0
votes
1 answer
Disable brotli compression for single nginx vhost
I have a handful of websites on a single server, setup using https://serverpilot.io/
It enables brotli compression for all sites by default but I would like to disable this on a single site that sits behind a third party firewall that doesn't like…
Titan
- 143
- 7
0
votes
0 answers
Streaming compression for large files
We want to compress large backup files and push them into the cloud. I'm looking for an application/utility/codebase that will allow us to efficiently compress on the fly as part of the transfer.
I've found that WinRAR is taking 40 times longer to…
MrTelly
- 311
- 3
- 9
0
votes
2 answers
Apache Webserver: check if decompression is supported
With SetInputFilter DEFLATE I can force the apache to decompress incoming messages. Is there a way to ask the webserver whether it supports decompression of incoming requests. I would expect a specific HEADER information for that. The only HEADER…
jsalvas
- 1
- 1
0
votes
1 answer
IIS Formal Brotli compression module
Is there any formal extension for IIS to support brotli compression? Previously I saw these two extension but I cannot rely on them for a production…
Mahmoud Moravej
- 111
- 5
0
votes
1 answer
how to check whether lzo is working in openvpn
I have compiled two binaries of openvpn (one with lzo enabled and other without),
Now i want to know whether lzo compression is actually working or not,
So I ping from my client to server, but now i don't know how to check size of ping packet on…
