281 Commits

Author	SHA1	Message	Date
Kerollmops	adb1038b26	Add a jobs parameter to set the number of threads the indexer uses	2020-07-06 12:17:17 +02:00
Kerollmops	ec1023e790	Intersect document ids by inverse popularity of the words ... This reduces the worst request we had which took 56s to now took 3s ("the best of the do").	2020-07-05 19:33:51 +02:00
Kerollmops	cd7e64b2b3	Allow users to set the arc cache size when indexing	2020-07-04 18:12:41 +02:00
Kerollmops	ac8353a64f	Merge pre-computed word attribute documents ids	2020-07-04 17:02:27 +02:00
Kerollmops	fea7cac206	Display the time it took to compute the word attribute documents ids	2020-07-04 15:18:38 +02:00
Kerollmops	46ced5c828	Introduce the RwIter append heed API	2020-07-04 12:34:10 +02:00
Kerollmops	7e7440c431	Finalize the LMDB indexing design	2020-07-01 22:45:43 +02:00
Kerollmops	2ae3f40971	Make the indexer ignore certain words ... This is a preparation for making the indexing fully parallel by making the indexer only be aware of certain words for each threads to avoid postings lists conflicts for each words	2020-07-01 17:49:46 +02:00
Kerollmops	a3ac2623d5	Introduce multiple functions to clean up the code	2020-07-01 17:24:55 +02:00
Kerollmops	ac5cc7ddad	Introduce an Iterator yielding owned entries for the LruCache	2020-07-01 17:21:52 +02:00
Kerollmops	014a25697d	Use only one ARC cache based on the words	2020-07-01 12:03:18 +02:00
Kerollmops	fc4013a43f	Fix the ARC cache	2020-07-01 10:35:07 +02:00
Kerollmops	2fcae719ad	Use another LRU impl which uses hashbrown	2020-06-29 22:26:06 +02:00
Kerollmops	f98b615bf3	Replace the LRU by an Arc cache	2020-06-29 20:48:57 +02:00
Kerollmops	07abebfc46	Introduce a (too big) LRU cache	2020-06-29 18:15:03 +02:00
Kerollmops	5f0088594b	Index by writing directly into LMDB	2020-06-29 13:54:47 +02:00
Kerollmops	63cbeca64e	Skip all derived words when too short	2020-06-28 12:13:12 +02:00
Kerollmops	736f0f7560	Use the proximity instead of the attributes when searching for <= 7 proximities	2020-06-28 12:13:12 +02:00
Kerollmops	fe3be8f18a	Replace the HashMap by a Vec for attributes documents ids	2020-06-28 12:13:12 +02:00
Kerollmops	6a2834f2b0	Add a jobs parameter to set the number of threads the indexer uses	2020-06-28 12:13:10 +02:00
Kerollmops	7e16afbdce	Ignore documents which are not part of the candidates when exploring with A*	2020-06-24 15:06:45 +02:00
Kerollmops	1c7a9a4132	Remove the found documents from the candidates list	2020-06-24 15:00:26 +02:00
Kerollmops	50169b9798	Compute the full list of ids we are willing to find by attribute	2020-06-24 14:48:04 +02:00
Kerollmops	374ec6773f	Introduce a database to store all docids for a word and attribute	2020-06-22 19:24:20 +02:00
Kerollmops	a044cb6cc8	Clean up the warnings for prefix postings	2020-06-22 18:10:31 +02:00
Kerollmops	ba3e805981	Document the Index types and the internal LMDB databases	2020-06-22 18:09:22 +02:00
Kerollmops	2f0e1afd16	Introduce the roaring bitmap heed codec	2020-06-22 17:56:07 +02:00
Kerollmops	8148210860	Use the cache when retrieving the documents at the end	2020-06-21 12:25:19 +02:00
Kerollmops	1628a31efa	Cache the unions of the derived words positions	2020-06-20 15:38:10 +02:00
Kerollmops	115e0142d9	Add a feature flags to enable the export of stats	2020-06-20 13:25:42 +02:00
Kerollmops	beb49b24f6	Skip looking at connections for proximity 0	2020-06-20 13:19:03 +02:00
Kerollmops	c84012d655	Accept queries from standard input when not given as argument	2020-06-20 12:01:15 +02:00
Kerollmops	55a8941922	Optimize things	2020-06-19 17:48:17 +02:00
Kerollmops	a3ca80d20d	Ignore every proximities bigger or equal to 8	2020-06-18 15:42:46 +02:00
Kerollmops	3577de04b8	Reduce the number of KV lookups to the sucessfulls only	2020-06-16 12:58:29 +02:00
Kerollmops	e974e6b3c9	Acquire search intersections metrics	2020-06-16 12:10:23 +02:00
Kerollmops	8db16ff306	Add a cache to the contains_documents success function	2020-06-14 13:39:39 +02:00
Kerollmops	a8cda248b4	Introduce a customized A* algorithm. ... This custom algo lazily compute the intersections between words, to avoid too much set operations and database reads	2020-06-14 12:51:57 +02:00
Kerollmops	69285b22d3	Check that an edges combination contains results	2020-06-13 11:16:02 +02:00
Kerollmops	b9cc6c10af	Introduce a function to ignore useless paths	2020-06-13 00:17:43 +02:00
Kerollmops	d02c5cb023	Fix node skipping by computing the accumulated proximity	2020-06-12 14:08:46 +02:00
Kerollmops	37a48489da	Reworked the best proximity algo a little bit	2020-06-12 12:53:08 +02:00
Kerollmops	302866ad73	Make the algo don't work with an astar	2020-06-11 17:43:06 +02:00
Kerollmops	0a83a86e65	Fix multiple bugs	2020-06-11 11:55:03 +02:00
Kerollmops	4e86ecf807	Retrieve the words before the intersect loops	2020-06-10 22:05:01 +02:00
Kerollmops	6ca3579cc0	Add more time debug measurements	2020-06-10 21:35:01 +02:00
Kerollmops	66a4b26811	Introduce a proximity based documents retriever	2020-06-10 16:54:28 +02:00
Kerollmops	78f27c0465	squash-me: Remove debugs	2020-06-10 16:29:46 +02:00
Kerollmops	3ad883d7c7	squash-me: Make the dijkstra work even with different attributes	2020-06-10 16:27:02 +02:00
Kerollmops	fecd8ca54a	squash-me: It works! we must remove the debug after having added more tests	2020-06-10 14:20:35 +02:00
Kerollmops	13977d9338	squash-me	2020-06-09 23:06:59 +02:00
Kerollmops	5d5b827f1a	Squash-me	2020-06-09 17:32:25 +02:00
Kerollmops	2a6d6a7f69	Introduce a first draft of the best_proximity algorithm	2020-06-09 10:11:43 +02:00
Kerollmops	dfdaceb410	Introduce a first basic working positions-based engine	2020-06-05 20:13:19 +02:00
Kerollmops	f51a63e4ef	Store documents ids under attribute ids	2020-06-05 16:32:14 +02:00
Kerollmops	ce86a43779	Make the query tokenizer a real Iterator	2020-06-05 09:49:28 +02:00
Kerollmops	f55f4cb02a	Not fetch the cached prefix postings when prefix is disabled	2020-06-04 21:22:45 +02:00
Kerollmops	eefc6d7c44	Add support for quoted query phrases	2020-06-04 20:25:51 +02:00
Kerollmops	1f7035f18f	Just do a little clean-up	2020-06-04 19:13:28 +02:00
Kerollmops	71dc6a3828	Disable prefix search when query is ended by a whitespace	2020-06-04 18:37:20 +02:00
Kerollmops	5d1c625b74	Change the page index texts	2020-06-04 18:20:57 +02:00
Kerollmops	c42d3c19e2	Merge the whole list of generated MTBL in one go	2020-06-04 17:38:43 +02:00
Kerollmops	3a23dc242e	More efficiently merge MTBLs, more than two at a time	2020-06-04 16:17:24 +02:00
Kerollmops	1df1f88fe1	Directly write to LMDB without intermediate final MTBL	2020-06-01 21:30:39 +02:00
Kerollmops	2174042994	Merge only 3 MTBL at the same time	2020-06-01 19:49:58 +02:00
Kerollmops	5cc81a0179	Merge many MTBL into one a the same time	2020-06-01 18:39:58 +02:00
Kerollmops	6a047519f6	Do a merge two by two	2020-06-01 18:27:26 +02:00
Kerollmops	5404776f7a	Add a little bit more debug	2020-06-01 17:52:43 +02:00
Kerollmops	dff68a339a	Use OnceCell to cache levenshtein builders	2020-05-31 19:27:11 +02:00
Kerollmops	dde3e01a59	Introduce prefix postings ids for better perfs	2020-05-31 18:20:49 +02:00
Kerollmops	a26553c90a	Reintroduce a simple HTTP server	2020-05-31 17:48:13 +02:00
Kerollmops	2a10b2275e	Support prefix typo tolerant search	2020-05-31 17:18:13 +02:00
Kerollmops	ba9527abc0	Support typos with a levenshtein automata	2020-05-31 17:01:11 +02:00
Kerollmops	6c726df9b9	Support multiple space seperated words	2020-05-31 16:09:34 +02:00
Kerollmops	24587148fd	Introduce MTBL parallel merging before LMDB writing	2020-05-31 14:22:57 +02:00
Kerollmops	6762c2d08f	Clean up a little bit	2020-05-31 14:22:57 +02:00
Kerollmops	3a998cf39c	Far better usage of rayon to fold indexed data	2020-05-31 14:22:57 +02:00
Kerollmops	1237306ca8	Introduce a thread that write to heed	2020-05-31 14:22:57 +02:00
Kerollmops	3668627e03	Use zerocopy without bitpacking as a first step	2020-05-31 14:22:07 +02:00
Kerollmops	a81f201fad	Inroduce the use of RocksDB instead of sled (RAM)	2020-05-31 14:22:06 +02:00
Kerollmops	91ba938953	Initial commit	2020-05-31 14:22:06 +02:00