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]
416 questions
0
votes
0 answers
Is there any reason to not enable IIS compression for all mime types?
IIS allows you to compress files of specific mimetypes in the httpCompression section of the applicationHost.config file. However it also has a wildcard */*, is there any reason not to enable the wildcard and just have IIS decide whether it's worth…
Inverted Llama
- 101
- 3
0
votes
0 answers
Performance of compression of zvol or of contents?
So I have a "physical" pool containing zvols of volblocksize 64K (which was recommended by ZFS create). And on those zvols I have zpools/datasets with recordsize 1M (used as fileservers), which are managed by VMs.
To reduce IO I want to use…
John Smith
- 111
- 2
0
votes
1 answer
Returning compressed data when client omits accept-encoding header
In the HTTP 1.1 Standard, it says that "If no Accept-Encoding field is in the request, any content-coding is considered acceptable by the user agent."
Which means that a server can, for example, return a gzip-encoded response body if the…
CaptainCodeman
- 207
- 1
- 7
0
votes
0 answers
Why does extracting a large .zst file cause another server with a cifs mount to come to a halt?
I have a large .zst file I need extracted on a backup server running CentOS. I begin to extract the file using zstd -d file_name.zst. I was going to then do tar -xvf file_name once that finished. Everything seemed to be going normally.
I have an…
DevOpsSauce
- 288
- 4
- 13
0
votes
2 answers
scp with -C flag does not perform compression
The scp man page shows that the -C flag can be used for compressing a file on the fly while performing a remote copy -
$ man scp | grep "\-C"
-C Compression enable. Passes the -C flag to ssh(1) to enable compression.
However, when I…
Anish Sana
- 123
- 6
0
votes
1 answer
Changes in compression rate
Every month I usually compress all my database dumps into a rar file.
I was very happy with the compression rate, as each compressed file was usually about 30MB, with a compression rate of 99%.
Since a few weeks ago, without having touched anything…
Ommadawn
- 225
- 2
- 7
0
votes
1 answer
Stratis filesystem will not mount after a reboot because the disk is full
It concerns a rhel8 server that has two disks (sda and sdb), and only on the sdb disk a Stratis filesystem has been created. After a restart of the server, no more mount point appears on the sdb disk. When I try to mount it I get the following…
0
votes
0 answers
Enabling Gzip Compression on IIS/applicationHost where websites exist on two drives
I have inherited a strange environment for a website. It is broken into various projects of which some are in the inetpub directory on the server's C drive and others in the same directory on D drive.
All these "websites" are under the same entry in…
Ar77
- 101
0
votes
0 answers
community.windows.win_unzip shows Filename contains relative paths which would extract outside the destination error message
I'm trying to unzip a zip file in a remote server
This file was download first from jFrog repository
The following task should handle the unzip:
- name: Unzip Config.zip file
community.windows.win_unzip:
src: C:\files\config.zip
dest:…
Hiddai
- 67
- 2
- 10
0
votes
0 answers
Transfer Compression with Cloudfront and nginx SSI
Is there any way to enable GZIP / Brotli compression on Cloudfront if the origin is a nginx server with SSI (Server Side Includes) enabled?
The issue seems that nginx SSI drops the Content-Length header, as it doesn’t know the content length at the…
rauberdaniel
- 131
- 5
0
votes
1 answer
ZFS Transfer extremely bursty
I am testing a new ZFS configuration with z-std for log storage and storage of highly compressible files.
The Array is tested on a 5 drive raidz-1 in a virtual machine on my PC which has direct access to the whole HDDs.
ZFS 2.0.2 is running in a…
user3829915
- 11
- 3
0
votes
1 answer
How do I make a compressed disk image (qcow2 and/or squashfs) from a disk directly?
I have a disk attached to my server and I want to make the disk image of it downloadable on the same server. The disk itself is 500GB but I don't want to have a 500GB disk image for download. I'd like to try using squashfs containing the disk image.…
0
votes
1 answer
Preserve Cloudfront brotli compression through a nginx reverse_proxy
My question is similar to Nginx reverse-proxy to a cloudfront distribution and preserve gzip compression but especially regarding the new brotli compression algorithm that is supposed to perform better than gzip in some cases
My AWS Cloudfront…
Cyril Duchon-Doris
- 242
- 2
- 15
0
votes
0 answers
Opera Mini Compression Technology
I'm trying to find the technology used in Opera Mini's browser. I can't find anything related to this, so I would like to know if anyone knows whether there exists a paper on this or if there is something else available to the public. I would like…
Myzel394
- 101
- 1
0
votes
1 answer
How to syncronize XML files and store them as .gz at destination using rsync
I'm using rsync -z to backup a large amount of XML files. The source is a huge machine with thousands of GBs available on disk, but the destination is not that powerful.
What I want to do is to compress XML files during transfer and keep them…
optimus_prime
- 1
- 1