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16 Commits

Author SHA1 Message Date
Jan Steemann 1461d75ed4 improve collection loading time 
This patch reduces collection loading time by preallocating enough space in primary index ahead of time.
When a collection is closed, the number of documents in the collection will be stored in the collection's JSON info file.
This value is used to determine the initial size for the primary index when the collection is loaded next time.

Datafile iteration has also been made slightly faster.

The above changes will have a significant benefit when the collection's datafiles are already in the OS buffer cache, and when there are no secondary indexes.
Loading datafiles from disk or building secondary indexes may be more time-consuming than the improvements reapable by this patch, but the patch shouldn't hurt anyway.
 2015-02-26 16:35:51 +01:00
Jan Steemann 999d8ffd1d small optimizations 2014-10-08 16:10:27 +02:00
Jan Steemann aa20c9e980 renamed last C files... 2014-09-13 22:38:25 +02:00
Jan Steemann 669cb3b235 renamed files 2014-09-13 01:44:01 +02:00
Jan Steemann 87afcf5e8d the great rename 2014-09-13 00:10:11 +02:00
Jan Steemann 1ebaa7e35c make primary hash index hash function explicit 2014-06-26 11:20:12 +02:00
Frank Celler 4dcf5dc817 updated disclaimer 2014-06-20 16:40:35 +02:00
Jan Steemann 37a30b420d prevent exceptions 2014-06-14 15:05:54 +02:00
Jan Steemann 772ed8bccc hash index optimization 2014-06-11 15:46:55 +02:00
Max Neunhoeffer 4de7e852f9 Merge branch 'mjmh' of ssh://github.com/triAGENS/ArangoDB into mjmh 
Conflicts:
	arangod/V8Server/v8-vocbase.cpp
	arangod/VocBase/document-collection.cpp
 2014-06-05 12:07:48 +02:00
Max Neunhoeffer 2776dc78fa Make TRI_doc_mptr_t a C++ struct. 2014-06-05 12:03:57 +02:00
Jan Steemann ec8742f920 removed separate index lock 2014-06-05 11:39:14 +02:00
Jan Steemann c5154fede7 use external index locking 2014-06-04 14:49:22 +02:00
Jan Steemann ed6a55abb9 specialized primary index for faster comparisons and less datafile lookups 2014-05-29 03:35:37 +02:00
Jan Steemann 419456c1a8 some refactoring 2012-11-09 15:06:28 +01:00
Jan Steemann 665a6d4b7a transaction functionality, very early, not at all working 2012-10-29 18:14:42 +01:00