Here's my $0.02 worth on worksheet management as part of the notebook
interface.

For most new users the notebook is the face of Sage initially.  And it
is very impressive.  But I worry about users seeing the (very
frustrating) slowdowns that Jason and I experienced after heavy use
(tens or hundreds of worksheets) for a long period (months), and I
really worry about server setups at schools (next fall!) where the
growth of the snapshot directories causes severe headaches for
sysadmins that are not very familiar with the internals of Sage.

There are a good many patches out there to address small aspect of
these problems.  In #4886 and #4887 Timothy Clemans has some good
ideas for renaming some variables and making default save periods
configurable from the "Settings" page of the notebook.  However, these
patches seem to depend on a variety of other patches, some with
distinctly different purposes, with #4135 being a major obstacle to
freeing up all the dependencies.

It would be great if somebody who understands the notebook, CSS,
templates, and file management were to take the best ideas from these
patches and address the core problems in one, or a few, pointed
patches.  Unfortunately, I am not that person, but I'd be ready to
help and review work done in this direction.  Done right, this might
obsolete several other patches and then free up others that would also
be welcome enhancements to the notebook.

Down off soap box,
Rob
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