Questions tagged [compression]
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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Does "btrfs filesystem defrag -c" (compress option) force compression?
BTRFS with compression enabled uses a heuristic not to compress files that are not well compressible. Does compressing existing files with "btrfs filesystem defrag -c" also use the heuristic,...
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Re-compressing XZ kernel module?
I have a kernel module produced by kernel option CONFIG_MODULE_COMPRESS_XZ. When I manually decompress the file with unxz and re-compress with xz, the new .ko.xz file differs from the original .ko.xz ...
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zfs send to NAS with PIGZ compression slowness
The following command that I use to backup used to take 5 minutes to complete and since last week it is taking around 25 minutes. This is after restarting a switch stack the server is connected to. ...
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Ways to make deployment ready pre-compressed brotli files on windows server
I am dynamically generating HTML files, which I use for deployment.
This is what I use to make these HTML file:
function writeFile()
Dim objStream
Set objStream = CreateObject("ADODB....
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Nginx performance issues
I made a website using React and connected to Strapi. But I need to keep some background videos mainly on the home page.
The main banner has 4 videos and the background of the page is also a video.
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Will disk compression impact the performance of a MySQL database?
I've recently setup a TrueNAS storage server and hosted on it is a MySQL database. It's about 3GB; I'm not too concerned with how much space it's utilising.
By default, TrueNAS enables LZ4 compression ...
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Cloudflare uncompressing, then re-compressing response bodies
I'm using Node.js/express and if I set the headers
Content-Type: application/json
Content-Encoding: gzip
and send gzipped compressed bodies of JSON data, this works as expected - when not behind ...
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Debian: Simple way to compress files wanted
I often need to compress archives in Linux. is there a simpler way instead of always building such complicated commands?
tar zcvf /tmp/mybackup.tar.gz /home/important
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is there a faster way to extract a large file tar in lz4 format?
I have a 7 TB file that is tared with lz4 compression. It takes about 8 hours to extract. is there a faster way to do this?
This is the command I use:
lz4 -d /mnt/tmp/7TBFile.lz4 | tar -xvf -
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Are servers allowed to add a Content-Encoding header based on filename, if there is no compression on-the-fly?
Problem
Suppose we have a compressed archive on disk, e.g. file.tar.gz, which should be served as-is.
The file is served with Content-Type: application/gzip, but for some reason the server also adds a ...
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Compressing rarely queried historical data in postgres
In short: compress multiple historical DB records to bigger, compressed records and temporarily uncompress it to the original records for easier querying, and clean that up when querying is done. ...
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MySQL JDBC compression in transit
Good morning,
I am looking to set my application connection to MySQL to compress data in transit.
I read MySQL doc. but it's not cleat to me if I need to do something on the client side, on the server ...
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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 ...
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Compress input files from rsync before writing to disk
I need to load big text files from another machine through a 10Gb link, files been creating by external/closed-source software that i don't have access to change (for example to make it to compress ...
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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 ...
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