[Konsole-devel] [Bug 189652] Konsole scrollback history tempspace consumption

[Mike Culbertson]

https://bugs.kde.org/show_bug.cgi?id=189652





--- Comment #5 from Mike Culbertson <mike xenter net>  2010-03-22 19:54:01 ---
More stuff.  I hexdumped the temp file for my current session and it becomes
clear that konsole is storing a huge amount of data *per character* stored in
the temp files.  Here's a short example:

mculbert at iridium ~/.kde3.5/tmp-iridium  $ echo "UNIQUE UNIQUE"
UNIQUE UNIQUE

Then, I hexdump the temp file and find this:

000006d0  00 00 00 01 01 00 00 00  55 00 00 01 00 00 00 01  |........U.......|
000006e0  01 00 00 00 4e 00 00 01  00 00 00 01 01 00 00 00  |....N...........|
000006f0  49 00 00 01 00 00 00 01  01 00 00 00 51 00 00 01  |I...........Q...|
00000700  00 00 00 01 01 00 00 00  55 00 00 01 00 00 00 01  |........U.......|
00000710  01 00 00 00 45 00 00 01  00 00 00 01 01 00 00 00  |....E...........|

Looks like about 11 bytes of extra data per character of actual text stored. 
What could possibly necessitate storing so much extra data?

By the way, this is incredibly easy to confirm.  Just start konsole, cat a file
of a known size, and see how much disk or RAM gets eaten compared to the size
of the file.

Can a dev confirm this so this bug could be moved into the realm of hopefully
getting fixed?

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