TeX Hour: Thu 27 May: Understand + refactor TeX Live: more flexible + agile

[Jonathan Fine]

Here's some stats on disk usage on the TeX Collection DVD, from 2010 to
2020. But first some observations. I'll be digging deeper into this in the
TeX Hour tonight (6:30 to 7:30 UK time).

Change in space used over the period 2010 to 2020.
1. CTAN decreased by 53%.
2. TEXLIVE increased by 95%.
3. PROTEXT increased by 6%.
5. MACTEX decreased by 30%.
6. The TEXCOL was 7.8 to 8.0GB, except in 2014, 2015 and 2020.

Between 2019 and 2020
1. CTAN increased from 90 to 212 (unit is 10,000 blocks).
2. TEXLIVE increased from 347 to 390.
3. PROTEXT decreased from 348 to 105.
4. MACTEX was stable at 45 to 45.
5. The size of TEXCOL decreased from 8.0 to 7.3GB.

CTAN
4544833 /data/TEXCOL2010/ctan
3676103 /data/TEXCOL2011/ctan
3726082 /data/TEXCOL2012/ctan
3615807 /data/TEXCOL2013/ctan
2267753 /data/TEXCOL2014/ctan
2496349 /data/TEXCOL2015/ctan
2157769 /data/TEXCOL2016/ctan
1606111 /data/TEXCOL2017/ctan
1393163 /data/TEXCOL2018/ctan
901146 /data/TEXCOL2019/ctan
2122483 /data/TEXCOL2020/ctan

TEXLIVE
$ du -s /data/TEXCOL20*/texlive
2003887 /data/TEXCOL2010/texlive
2366732 /data/TEXCOL2011/texlive
2249513 /data/TEXCOL2012/texlive
2490158 /data/TEXCOL2013/texlive
2577088 /data/TEXCOL2014/texlive
2775072 /data/TEXCOL2015/texlive
3032916 /data/TEXCOL2016/texlive
3554435 /data/TEXCOL2017/texlive
3364907 /data/TEXCOL2018/texlive
3469011 /data/TEXCOL2019/texlive
3897806 /data/TEXCOL2020/texlive

PROTEXT
$ du -s /data/TEXCOL20*/protext
988631 /data/TEXCOL2010/protext
1220624 /data/TEXCOL2011/protext
1359552 /data/TEXCOL2012/protext
1665557 /data/TEXCOL2013/protext
1781680 /data/TEXCOL2014/protext
1966726 /data/TEXCOL2015/protext
2389874 /data/TEXCOL2016/protext
2701962 /data/TEXCOL2017/protext
2820689 /data/TEXCOL2018/protext
3475646 /data/TEXCOL2019/protext
1046204 /data/TEXCOL2020/protext

MACTEX
$ du -s /data/TEXCOL20*/mactex
652313 /data/TEXCOL2010/mactex
919282 /data/TEXCOL2011/mactex
840140 /data/TEXCOL2012/mactex
507380 /data/TEXCOL2013/mactex
624552 /data/TEXCOL2014/mactex
571062 /data/TEXCOL2015/mactex
574196 /data/TEXCOL2016/mactex
385442 /data/TEXCOL2017/mactex
470582 /data/TEXCOL2018/mactex
453563 /data/TEXCOL2019/mactex
455479 /data/TEXCOL2020/mactex

TEXCOL (size of TeX Collection DVD)
$ df -h --output=target,size /data/TEXCOL20*
Mounted on        Size
/data/TEXCOL2010  7.9G
/data/TEXCOL2011  7.9G
/data/TEXCOL2012  7.9G
/data/TEXCOL2013  8.0G
/data/TEXCOL2014  7.0G
/data/TEXCOL2015  7.5G
/data/TEXCOL2016  7.9G
/data/TEXCOL2017  8.0G
/data/TEXCOL2018  7.8G
/data/TEXCOL2019  8.0G
/data/TEXCOL2020  7.3G
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