[mapguide-internals] SHP performance problem maybe due to .idx

[everling]

I don't know if it is a real bug or not but a search of the mailing list
archives have revealed nothing so I'll bring it up here for discussion.

Bug report:
1. Whenever I preview my SHP feature source, the associated *.idx file is
modified.
2. This is true for managed or unmanaged files, the relevant *.idx files are
always modified.
3. If the SHP feature source is pointing to an unmanaged folder, all *.idx
files within the directory are modified even if you are viewing the contents
of only one SHP file or previewing the feature source with Maestro.
4. The contents of the *.idx files are unchanged. Confirmed with MD5 file
checksums.
4. Reproduced with MGOS 2.2 and MGOS 2.4 RC2 on Windows 7.

I think MGOS recreates the idx files on every view and that this is the
reason that MGOS performs poorly on SHP files, especially when working with
unmanaged directories. Is this a real bug and is it fixable in time for MGOS
2.4?

Best regards.



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