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55 commits

Author SHA1 Message Date
Sears Russell
c413203ec8 Talloc() now reuses space when possible. It still needs to call slottedCompact() intelligentally. Also, allocationPolicy should support an extra tier 
of pages, so it doesn't suggest ones that aren't already in the buffer pool unless it has to.
 2006-07-29 00:56:54 +00:00
Sears Russell
3725cc9b8e Added a function that returns the number of allocated entries in the list 2006-07-28 00:00:32 +00:00
Sears Russell
62abe94bf5 added fsckRegions(), and call it from the unit tests. 2006-07-25 22:23:15 +00:00
Sears Russell
aec9148b83 added call to get the page type. 2006-07-25 22:22:49 +00:00
Sears Russell
0f45b97eda regions now make use of nested top actions, so they're almost correct. (Still need to lock freed regions until end of transaction.) 2006-07-25 00:56:50 +00:00
Sears Russell
ffd3bd960b switched to region allocator, but TpageAlloc currently grabs its own region... 2006-07-20 01:29:39 +00:00
Sears Russell
8ed909e79d Fixed the fixedPageAlloc hack. 2006-07-20 00:48:42 +00:00
Sears Russell
1ac3dc6779 More progress on boundary tags. (Still not tested/working yet...) 2006-07-18 23:59:00 +00:00
Sears Russell
93e7e96ea3 Started implementing the region allocator 2006-06-22 19:10:02 +00:00
Sears Russell
3e4cac0fe3 Continued cleaning up allocation code. It seems really slow all of a sudden, so this commit probably introduced a performance bug. 2006-06-17 00:25:09 +00:00
Sears Russell
209a6916e5 Updated some comments. 2006-06-16 00:27:02 +00:00
Sears Russell
50515ffd23 More steps toward factoring page allocation out of record allocation. 2006-06-15 05:31:20 +00:00
Sears Russell
59bd80a2a8 half-hearted attempt to fix -Wextra warnings... 2006-06-13 23:58:04 +00:00
Sears Russell
b5d578f4e0 Fixed remaining warnings, got rid of alTupdate 2006-05-25 20:08:12 +00:00
Sears Russell
c1d8906d28 removed memcpy() calls from inMemoryLog; added "const" qualifier to many LogEntry pointers. 2006-04-11 02:20:21 +00:00
Colleen M. Lewis
345f0cde78 Added the base functionality and test case for the BTree... just a hello world method. but it has the h, c and check files. -colleen ;) 2005-05-05 21:34:12 +00:00
Sears Russell
cf58e1fb72 Transitive closure working! 2005-03-24 04:43:22 +00:00
Sears Russell
ed49949512 This commit breaks the build so that Jimmy and I can sync. Sorry. :( 2005-03-14 00:25:29 +00:00
Sears Russell
f28df29736 Fixed unit tests, added iterator interface, and generic (almost) iterator test harness. 2005-03-10 03:19:04 +00:00
Sears Russell
c8a0aa830e Compiles on FreeBSD! 2005-03-02 05:46:29 +00:00
Sears Russell
3e5f7aea8a Bugfixes for OASYS. 2005-03-01 07:32:02 +00:00
Sears Russell
890a7385d0 Fixeds cht test / finished error checking within LLADD, but haven't tested error handling yet. 2005-02-24 21:12:36 +00:00
Sears Russell
29dacbe7ed Error handling for linked list. 2005-02-22 23:11:03 +00:00
Sears Russell
41fb85eef0 More error handling... 2005-02-22 03:10:54 +00:00
Sears Russell
84a20a3c96 Started adding error handling code to LLADD. 2005-02-16 04:11:14 +00:00
Sears Russell
a4c13449b8 Bugfix for pageOrientedList. 2005-01-31 02:18:46 +00:00
Sears Russell
7cf5fdee6e Re-implemented pageOrientedListNTA from scratch. It's now more flexible, but relies on features that are not provided by Talloc/Tdealloc, so performance isn't as good as it could be. 2005-01-29 01:17:37 +00:00
Sears Russell
56d98adcbf Working, but slow and non-concurrent variable length key/value support for linear hashtable. 2005-01-28 21:28:23 +00:00
Sears Russell
17f76264aa Implemented pageOrientedList, also did some bug fixing, and added some support functions to alloc.c 2005-01-28 03:32:17 +00:00
Sears Russell
5a2d2bde31 More documentation updates. 2005-01-21 02:13:17 +00:00
Sears Russell
b04e71360f Documentation update. 2005-01-20 21:19:47 +00:00
Sears Russell
ac0d413e58 - linkedListNTA is now re-entrant. 
- linearHashNTA now uses nested top actions, is re-entrant, and supports a
  non-re-entrant iterator
- 'recursive' nested top actions allow nested top actions to be nested within each
  other.
 2005-01-15 01:45:27 +00:00
Sears Russell
7a990886d2 The linked list implementation now uses nested top actions. (Also, many bugfixes regarding nested top actions were introduced.) 2005-01-14 10:08:10 +00:00
Sears Russell
360f0d15e2 Working, non-concurrent linear hash and linked list implementations. 
The idea is to implement the non-concurrent versions, and then convert
them to concurrent versions using nested top actions.
 2005-01-14 01:52:53 +00:00
Sears Russell
6198522971 Starting to rip the old jbhash implementation out, and replace it with a 
linear hash implementation.  In particular, I've implemented (sort of) an
iterator for linear hash, and (sort of) ported libdfa to linearhash.c

I say 'sort of' since this functionality is broken with this commit.  On the other hand, CVS should build now, and the tests under lladd will pass.  libdfa's new tests don't pass at the moment.
 2005-01-10 03:02:02 +00:00
Sears Russell
72070acb67 Implemented TsetRange, fixed bug in linear hash. 2004-12-03 00:27:47 +00:00
Sears Russell
443a90ad7c Implemented TrecordType() 2004-12-01 01:26:25 +00:00
Sears Russell
ded5c92c9d Support for nested top actions, with simple unit test. (Haven't tested for thread safety yet.) 2004-11-29 21:28:13 +00:00
Sears Russell
646f9dfca9 Implemented recover_split(), which is needed by the linear hash to recover properly from crashes. It hasn't been tested at all, and is not currently called by anything. 2004-11-29 02:35:37 +00:00
Sears Russell
2c23fb8a43 Did some misc. cleanup work on linearHash 2004-11-28 01:16:48 +00:00
Sears Russell
af9e7adee0 Starting work on the actual graph-generation portion of the benchmarks. :) 2004-10-20 06:21:21 +00:00
Sears Russell
ec99c0e258 Lots of optimizations; re-did on-disk layout for the linear hash table. 2004-10-19 21:16:37 +00:00
Sears Russell
ec1276f26f Preliminary version of logical logging linear hash. (No latching yet, and there are some bugs re-opening a closed hash.) 2004-10-18 18:24:54 +00:00
Sears Russell
04cfc7da8e Optimized the 'naive' linear hash table, and moved to sourceforge. :) 2004-10-17 02:17:00 +00:00
Sears Russell
a078f25475 Implemented a linear hash from scratch. Concurrency hasn't been done, but it's probably correct in the single thread case. 2004-10-12 02:44:47 +00:00
Sears Russell
5064e3fac2 Implemented pages that store fixed sized records efficiently, and a java-style ArrayList data structure that efficiently supports (relatively) clustered, O(1) access time expandable arrays. (This will be used for the hash implementation...) 2004-10-06 06:08:09 +00:00
Sears Russell
96e7af92a4 Added test cases for Tprepare(), implemented some redo-only operations, and started to clean up record allocation/deallocation. 
Also, numerous bugfixes.
 2004-10-02 07:29:34 +00:00
Sears Russell
811bc5c710 Implemented a freespace manager that should safely allocate space, even in the face of crashes, and can reclaim unused space (unless an application opens more than one simultaneous transaction that performs allocations) 
Fixed some blob bugs (by adding extra fdatasync() calls).

Began factoring out the page management code so that it is an extenstion, and a less integral part of lladd.
 2004-08-21 00:03:30 +00:00
Sears Russell
82e3fdb53a Added (untested) support for whole-page operations, lladdhash now works. 2004-08-03 02:04:56 +00:00
Sears Russell
2b42451280 Cleaning up bufferManager / page for locking. Want to limit access to the Page struct. 2004-07-14 20:49:18 +00:00