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Maintenance
Description:
Remove half-built (half-baked? :-) implementation of B+tree, block tracker
and segmented heaps. (In preparation for starting the new heap coding)
Platforms tested:
FreeBSD 4.11 (sleipnir)
Linux 2.4 (heping)
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New feature
Description:
Add in baseline "object copy" code from Peter [in the form of a new API
routine: H5Gcopy()]. There's still some work to do (like handling variable-
length datatypes and possibly support for references) and it hasn't been tested
on mounted files yet, but the core functionality is there and working
correctly.
I've also got a set of patches to update the 1.6 branch with tweaks to
keep the branches mostly in sync, but Elena will kill me if I import them
before the 1.6.5 release is out... :-)
Platforms tested:
FreeBSD 4.11 (sleipnir)
h5committested
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Code cleanup
Description:
Trim trailing whitespace, which is making 'diff'ing the two branches
difficult.
Solution:
Ran this script in each directory:
foreach f (*.[ch] *.cpp)
sed 's/[[:blank:]]*$//' $f > sed.out && mv sed.out $f
end
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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New feature
Description:
Add feature to modify an existing record in a B-tree
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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New feature
Description:
Add new "block tracker" data structure to library, for tracking blocks of
bytes in a file. Block trackers will be used to keep track of the blocks
belonging to the soon-to-be-implemented "segmented heap" which is designed to
replace the current local & global heaps (starting with the local heap).
Block trackers will also keep track of the free space in the segmented heap
and someday could be used to track the free space in the entire HDF5 file.
They are implemented as a small header of information to cache the state
of the blocks (max & min sizes of blocks tracked, etc.) and the records of
the blocks themselves are stored in a v2 B-tree.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
h5committest
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Correct formatting
Description:
Move some typedefs out of the macro section into the typedef section
Platforms tested:
None, too minor to require any.
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New feature
Description:
Add routine to delete entire B-tree from a file.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Bug fix & New feature
Description:
Correct some situations where a write lock on the data in the metadata
cache was requested, but only a read lock is necessary.
Add routine to find nearest neighbor record < or > to a query key.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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New features & refactor
Description:
Add basic record removal (only handles level-0 B-trees currently)
Add query routine to check the number of records in a B-tree
Add debugging routine to check the address of the root node in the B-tree
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Bug fix & new feature
Description:
Fix errors in tracking the total number of records "below" a node.
Add feature to find the n'th record in a B-tree
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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New feature, refactor code
Description:
Add call to search for a record in a B-tree by key value
Refactored some of the existing callbacks to simplify them.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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New feature
Description:
Add code to iterate over all the records in a v2 B-tree.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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New feature & code cleanup
Description:
Change some references from 'keys' to 'records', which is more correct for
this implementation.
Added feature to allow preemptive 3 node record redistributions (for leaves
only currently)
Added feature to perform preemptive 3->4 node splits (for leaves only
currently)
Platforms tested:
FreeBSD 4.11 (sleipnir) w/parallel
Solaris 2.9 (shanti) w/purify
Too minor to require h5committest
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New feature & bug fix
Description:
Allow h5debug tool to dump "test" v2 B-trees correctly.
Also, fix incorrect parameter passing that was causing failures on
various platforms.
Platforms tested:
FreeBSD 4.11 (sleipnir)
AIX 5.2 (copper)
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New feature
Description:
Expand v2 B-tree code to support splitting the root node when enough
records are inserted and move metadata cache callbacks into their own source
file.
Platforms tested:
FreeBSD 4.11 (sleipnir) w/parallel
Too minor for h5committest
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New feature
Description:
Add basic code for new B-tree implementation. They don't do much yet,
aren't hooked up to anything yet and the format may change, but I'd like to
start getting them into the daily tests.
Platforms tested:
FreeBSD 4.11 (sleipnir) w/parallel
Too minor to require h5committest
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