Commit Graph

64 Commits

Author SHA1 Message Date
Alexey Arno
437ca51ce8 dbms: Server: Bug fixes in the serialization/deserialization code. [#METR-17276] 2015-09-07 22:03:14 +03:00
Alexey Milovidov
2311c69d53 dbms: development of memory efficient distributed aggregation method [#METR-17536]. 2015-09-07 10:40:14 +03:00
Alexey Milovidov
3d2a766964 Revert "dbms: using huge pages everywhere (experimental) [#METR-2944]."
This reverts commit a127a866704f95ef31684ef042d0765f7202677a.
2015-08-16 18:11:06 +03:00
Alexey Milovidov
f68478b638 dbms: using huge pages everywhere (experimental) [#METR-2944]. 2015-08-16 17:44:02 +03:00
Alexey Milovidov
f0a5ec4736 dbms: unification; using huge pages (experimental) [#METR-2944]. 2015-08-16 16:00:22 +03:00
Alexey Arno
ed2ec39899 dbms: Server: Fixes. [#METR-17276] 2015-08-07 20:35:34 +03:00
Alexey Arno
311a41e14f Merge 2015-08-07 18:24:23 +03:00
Alexey Milovidov
b5b40a9a7a dbms: added function arrayUniq [#METR-17429]. 2015-07-23 14:11:10 +03:00
Alexey Milovidov
f4d5b5e3b8 dbms: arrayUniq: development [#METR-17429]. 2015-07-23 12:39:21 +03:00
Alexey Arno
3314579909 Merge 2015-07-20 20:09:43 +03:00
Alexey Milovidov
97782b4855 dbms: fixed error with memory tracking [#METR-16433]. 2015-06-08 07:59:45 +03:00
Andrey Mironov
8796aa8497 dbms: HashTable: grower getBufferSizeInCells 2015-03-24 20:04:03 +03:00
Alexey Milovidov
05401b901b dbms: better exception safety [#METR-15530]. 2015-03-23 04:10:06 +03:00
Alexey Milovidov
4985fb3563 dbms: fixed potential error [#METR-15352]. 2015-03-07 04:03:14 +03:00
Alexey Milovidov
0828dba841 dbms: preparation [#METR-2944]. 2015-03-02 04:10:58 +03:00
Alexey Milovidov
5070e7642d dbms: added SmallSet and SmallMap [#METR-2944]. 2015-02-21 03:28:53 +03:00
Alexey Milovidov
ea113f138f dbms: preparation [#METR-2944]. 2015-02-13 04:17:44 +03:00
Alexey Milovidov
81e42e4d90 dbms: fixed error in gcc 4.9 [#METR-2944]. 2015-01-24 04:55:29 +03:00
Alexey Milovidov
0575c6fd24 dbms: improved performance of small queries [#METR-2944]. 2015-01-11 05:30:33 +03:00
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