Commit Graph

45 Commits

Author SHA1 Message Date
Alexey Milovidov
2abb0f3792 dbms: more scalable aggregator: development [#METR-2944]. 2014-12-30 23:38:05 +03:00
Alexey Milovidov
e9232fc2fc dbms: more scalable aggregator: development [#METR-2944]. 2014-12-30 21:04:53 +03:00
Alexey Milovidov
716fad23d0 dbms: more scalable aggregator: development [#METR-2944]. 2014-12-30 15:58:02 +03:00
Alexey Milovidov
01526513ae dbms: more scalable aggregator: development [#METR-2944]. 2014-12-30 14:27:58 +03:00
Alexey Milovidov
ef160102f6 dbms: more scalable aggregator: development [#METR-2944]. 2014-12-27 09:29:20 +03:00
Alexey Milovidov
50032e1da5 dbms: more scalable aggregator: experiments [#METR-2944]. 2014-12-26 23:42:35 +03:00
Alexey Milovidov
5f1d8ef06f dbms: added crc32 hash functions [#METR-2944]. 2014-12-26 06:41:31 +03:00
Alexey Milovidov
08b95c9e33 dbms: more scalable aggregator: development [#METR-2944]. 2014-12-26 06:00:51 +03:00
Alexey Milovidov
5e343d0647 dbms: more scalable aggregator: development [#METR-2944]. 2014-12-26 00:25:43 +03:00
Alexey Milovidov
f360f244eb dbms: tiny modifications [#METR-2944]. 2014-12-25 03:19:29 +03:00
Alexey Milovidov
32a2ec00d1 dbms: more scalable aggragator: preparation [#METR-2944]. 2014-12-24 22:00:14 +03:00
Alexey Milovidov
530eb9f919 dbms: HashTable: more use of saved hash value - less string comparisons, improved performance of aggregation by string [#METR-2944]. 2014-11-09 11:39:18 +03:00
Alexey Milovidov
37e599934f dbms: further [#METR-2944]. 2014-10-29 05:35:16 +03:00
Pavel Kartavyy
c60096564a ███████████: alloc fill memory with zeros at every call [#METR-11892] 2014-07-10 20:00:36 +04:00
Pavel Kartavyy
13830c960d ███████████: alloc fill memory with zeros at every call [#METR-11892] 2014-07-10 19:55:15 +04:00
Alexey Milovidov
9bb6471715 dbms: fixed error in ClearableHashMap [#METR-2944]. 2014-05-22 05:19:14 +04:00
Alexey Milovidov
0ea972c13a dbms: fixed exception safety of HashTable [#METR-11220]. 2014-05-22 04:22:48 +04:00
Alexey Milovidov
c166dfab67 dbms: fixed tiny error [#METR-11220]. 2014-05-22 03:38:40 +04:00
Alexey Milovidov
119f3377a8 dbms: modified hash function for ints [#METR-2944]. 2014-05-21 06:19:44 +04:00
Alexey Milovidov
c99921fc14 dbms: tiny improvement [#METR-2944]. 2014-05-19 08:54:54 +04:00
Alexey Milovidov
ea4c75ac82 dbms: TwoLevelHashTable: improvement [#METR-2944]. 2014-05-19 08:53:05 +04:00
Alexey Milovidov
7c923f5799 dbms: TwoLevelHashTable: fixed error [#METR-2944]. 2014-05-12 07:11:45 +04:00
Alexey Milovidov
c0e1aa8f2c dbms: fixed error [#METR-2944]. 2014-05-12 00:48:39 +04:00
Alexey Milovidov
3411b9fe68 dbms: TwoLevelHashTable: development [#METR-2944]. 2014-05-11 00:47:12 +04:00
Alexey Milovidov
f0792f0deb dbms: improved performance of aggregation and aggregate function uniq [#METR-2944]. 2014-05-10 09:17:08 +04:00
Alexey Milovidov
95827e2dc2 dbms: improved performance of aggregation by string key [#METR-2944]. 2014-05-10 06:42:45 +04:00
Alexey Milovidov
a17d59d409 dbms: fixed error with HashTable [#METR-11015]. 2014-05-04 03:59:30 +04:00
Alexey Milovidov
0abc554493 dbms: tracking amount of memory usage per query [#METR-11015]. 2014-05-04 02:57:43 +04:00
Alexey Milovidov
734acc10c2 dbms: experiments with hash tables: removed code of unsuccessful method of parallel aggregation [#METR-2944]. 2014-05-03 20:35:18 +04:00
Alexey Milovidov
2b13e02d3c dbms: fixed error [#METR-2944]. 2014-05-03 20:03:49 +04:00
Alexey Milovidov
2dc708e70c dbms: experiments with hash tables [#METR-2944]. 2014-05-03 05:45:34 +04:00
Alexey Milovidov
04cb4d878b dbms: experiments with hash tables [#METR-2944]. 2014-05-03 04:08:35 +04:00
Alexey Milovidov
36b677e873 dbms: HashTable: better [#METR-2944]. 2014-05-02 23:25:17 +04:00
Alexey Milovidov
4aa1b5963b dbms: continue [#METR-2944]. 2014-05-02 19:48:03 +04:00
Alexey Milovidov
b394bc5a61 dbms: experiments with hash tables [#METR-2944]. 2014-05-02 16:49:39 +04:00
Alexey Milovidov
73daa82d82 dbms: tiny improvement [#METR-2944]. 2014-05-01 21:26:46 +04:00
Alexey Milovidov
c66979eafb dbms: addition to prev. revision [#METR-10988]. 2014-04-29 08:13:26 +04:00
Alexey Milovidov
7d534675af dbms: fixed error in prev. revision [#METR-10988]. 2014-04-29 07:33:10 +04:00
Alexey Milovidov
897752de16 dbms: unified hash tables: development [#METR-2944]. 2014-04-29 04:28:18 +04:00
Alexey Milovidov
3e20b26fd2 dbms: HashTableAllocator: using mremap for large chunks; fixed error [#METR-10988]. 2014-04-29 04:24:13 +04:00
Alexey Milovidov
4bf42ea6e6 dbms: unified hash tables: development [#METR-2944]. 2014-04-28 06:47:56 +04:00
Alexey Milovidov
8232983714 dbms: unified hash tables: development [#METR-2944]. 2014-04-28 05:48:24 +04:00
Alexey Milovidov
850876f191 dbms: unified hash tables: development [#METR-2944]. 2014-03-21 03:14:07 +04:00
Alexey Milovidov
c55f193711 dbms: development [#METR-2944]. 2014-03-17 06:06:26 +04:00
Alexey Milovidov
315a3c200a dbms: development [#METR-2944]. 2014-03-17 06:01:03 +04:00