Paul Ramsey send to me a dump of our svn repository. The uncompressed dump size
is 2.76 Gb
After removing UDig except the required depencies (the GML module has its
history in UDig), the dump size is 1.59 Gb.
After removing a few (not yet all) of the huge test files and every JAR files,
the dump size is 1.43 Gb. More test files will be removed later - I'm really
just starting the cleaning.
Belows are the biggest files ever commited to our SVN history. I means commited
with "svn add", not "svn copy" (otherwise the size in svndump is close to 0). I
just pasted the first few files, but there is 73 files bigger than 1 Mb and 406
files bigger than 100 kb. As you can see from this extract, we failed at least
partially to get peoples to use "svn copy" - the same files are added again and
again. When we switched from CVS to SVN, we said very loud to not use graphical
SVN interfaces (no TortoiseSVN, no EclipseSVN - command line only) as they were
not good at that time. Apparently we failed to convince peoples. Hopefully those
graphical interfaces are better now, but please check with "svn status" from the
command line everytime you do some SVN operation that you never did before.
Size Filename
-------- -----------------------------------------------------------------------
55474027 geotools/trunk/gt/plugin/geotiff/.../002025_0100_010722_l7_01_utm21.tif
55474027 geotools/branches/geotiff_simone/.../002025_0100_010722_l7_01_utm21.tif
12375769 geotools/trunk/gt/plugin/image/.../po_168213_blu_0000000.tif
8809581 geotools/branches/coverages_branch/branches/.../test-data/W020N90.zip
8809581 geotools/branches/coverages_branch/trunk/gt/.../testData/W020N90.zip
8809581 geotools/branches/coverages_branch/trunk/.../test-data/W020N90.zip
8809572 geotools/trunk/gt/plugin/gtopo30/test/.../testData/W020N90.zip
8809572 geotools/trunk/gt/plugin/gtopo30/test/.../testData/W020N90.zip
7549755 geotools/trunk/spike/arcGrid/test/.../arcgrid_test_data.zip.zip
7549755 geotools/trunk/spike/arcGrid/test/.../arcgrid_test_data.zip
7549755 geotools/branches/2.3.x/ext/coverage_dev/.../arcgrid_test_data.zip
7549746 geotools/branches/2.3.x/ext/coverage_dev/.../arcgrid_test_data.zip
7549746 geotools/trunk/spike/ecw/test/.../test-data/arcgrid_test_data.zip
7549746 geotools/branches/2.3.x/ext/coverage_dev.../arcgrid_test_data.zip
6548376 geotools/trunk/gt/doc/C/output/geotools.ps
4993783 geotools/branches/coverages_branch/.../test-data/fme/roads/roads.xml
4993783 geotools/branches/coverages_branch/.../test-data/test1/roads.xml
4993783 geotools/branches/coverages_branch/.../xml/fme/roads/roads.xml
As a side note, uDig SVN has big files too, especially JAR files (actually, when
I merge GeoTools and uDig in the same list, most huge files except the two first
TIFF files are in uDig SVN).
I also have interrogation about some branches. Belows is the total spaces used
by some directories. I put a few tags for comparaison purpose, so you can see
that "svn copy" has a cost close to zero. I don't know why GeoTools 2.3 tags
consume ~300 kb - I would find surprising that changing "2.3-SNAPSHOT" to
"2.3.1" alone would consume that much space. But note also the size of the "2.3"
and "coverages_branch" branches.
Size Directory
--------- ----------------------------------------------------------------------
254368801 geotools/trunk/gt
148524305 geotools/branches/coverages_branch
64509158 geotools/branches/2.3.x
22405164 geotools/branches/2.2.x
13654188 geotools/branches/2.4.x
12371022 geotools/branches/2.0.x
11298431 geotools/branches/2.1.x
326196 geotools/tags/2.3.5
319696 geotools/tags/2.3.3
319503 geotools/tags/2.3.2
318896 geotools/tags/2.3.1
258548 geotools/tags/2.3.0
200867 geotools/tags/2.2.1
124435 geotools/tags/2.1.0
28141 geotools/tags/2.2.2
4492 geotools/tags/2.2.0
0 geotools/tags/2.1.1
0 geotools/tags/2.3.4
I suspect (but have not verified) that the 2.3 branch has been created using
"svn copy" as we should, but from that point a lot of code has been merged from
trunk using copy-and-paste then "svn add" from Eclipse IDE. For example the 4 Mb
EPSG.sql file has been "svn added" to the 2.3 branch, not "svn copied" from
trunk.
For "coverages_branch", I suspect (but have not verified) that the whole
directory has been "svn added" rather than "svn copied". If this branch is not
needed anymore, I would like to drop it completly given the large amout of space
it consumes.
Martin
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