Commit Graph

2406 Commits

Author SHA1 Message Date
Alexey Milovidov
dbca19b7bc dbms: Arena: added unused method allocContinue (was applied for experiment) [#METR-2944]. 2015-02-23 20:27:13 +03:00
Alexey Milovidov
82e782d6f9 dbms: fixed error in prev. revision [#METR-2944]. 2015-02-22 21:02:54 +03:00
Alexey Milovidov
dc6259d931 dbms: added aggregation method 'concat' - performance improvement in generic case [#METR-2944]. 2015-02-22 19:09:16 +03:00
Alexey Milovidov
f8f806ff58 dbms: fixed performance issue with very small blocks [#METR-2944]. 2015-02-22 18:31:39 +03:00
Alexey Milovidov
c744e73ba4 dbms: tiny modification [#METR-2944]. 2015-02-22 18:30:31 +03:00
Alexey Milovidov
e34eb1abcf dbms: addition to prev. revision [#METR-2944]. 2015-02-22 14:25:26 +03:00
Alexey Milovidov
0c144eb619 dbms: addition to prev. revision [#METR-2944]. 2015-02-22 13:53:09 +03:00
Alexey Milovidov
664d85e08f dbms: added support for value 'auto' of setting 'max_threads'; using that value by default [#METR-2944]. 2015-02-22 13:50:36 +03:00
Alexey Milovidov
2520c2e610 dbms: added small set optimization for aggregate function uniqHLL12 [#METR-2944]. 2015-02-22 10:23:37 +03:00
Alexey Milovidov
bbd48f8921 dbms: Aggregator: added specialization for many (up to 256 bit) fixed-size keys (up to 3x performance improvement) [#METR-2944]. 2015-02-22 08:53:16 +03:00
Alexey Milovidov
b6f4d3d3e8 dbms: added setting 'group_by_two_level_threshold' for fine tuning [#METR-2944]. 2015-02-22 08:51:16 +03:00
Alexey Milovidov
a838833a30 dbms: improved performance of aggregation by few fixed-size keys (up to 18%) [#METR-2944]. 2015-02-22 05:18:39 +03:00
Alexey Arno
37dee7d6ef dbms: Server: applied much better fix for instruction ordering [#METR-14410] 2015-02-21 16:59:15 +03:00
Alexey Milovidov
5070e7642d dbms: added SmallSet and SmallMap [#METR-2944]. 2015-02-21 03:28:53 +03:00
Alexey Milovidov
f7ef574ed2 dbms: improved performance of Set, Join, Distinct and arrayEnumerateUniq [#METR-2944]. 2015-02-20 22:48:52 +03:00
Alexey Arno
d4f6e1209a dbms: Server: fixed RemoteBlockInputStream destructor policy [#METR-14410] 2015-02-20 17:43:22 +03:00
Alexey Arno
025fcd815d Enforce ordering of variable assignment [#METR-14410] 2015-02-20 16:32:20 +03:00
Alexey Arno
9e44061a2f dbms: Server: cosmetic changes [#METR-14875] 2015-02-20 14:33:21 +03:00
Andrey Mironov
e175883dd3 dbms: remove redundant checks in FunctionDictIsIn. [#METR-13298] 2015-02-20 13:57:38 +03:00
Alexey Arno
64c8535382 dbms: Server: performance optimization [#METR-14875] 2015-02-20 13:37:55 +03:00
Andrey Mironov
7dd6397245 dbms: alter appendTrailingCharIfAbsent behaviour [#METR-15071] 2015-02-19 18:28:24 +03:00
Andrey Mironov
cf8a927150 dbms: invert the way multiple values are acquired from the dictionary [#METR-13298] 2015-02-19 18:28:24 +03:00
Alexey Arno
533783d64b dbms: Server: performance optimization (minimize copies and reallocations) [#METR-14875] 2015-02-19 17:55:47 +03:00
Alexey Arno
86129c634f dbms: Server: performance optimization [#METR-14875] 2015-02-19 14:08:49 +03:00
Alexey Arno
a4f4c6a811 dbms: Server: performance optimization [#METR-14875] 2015-02-19 02:15:20 +03:00
Alexey Arno
19a93cc0bf dbms: Server: fixed DAG traversal [#METR-14875] 2015-02-19 01:13:54 +03:00
Alexey Arno
d5d41df78d dbms: Server: cosmetic changes [#METR-14875] 2015-02-18 21:18:37 +03:00
Alexey Arno
123acacb4d dbms: Server: removed old code [#METR-14875] 2015-02-18 20:43:44 +03:00
Alexey Arno
fe8713a030 Merge 2015-02-18 20:41:51 +03:00
Alexey Arno
3d497e689b dbms: Server: compilation fix [#METR-14875] 2015-02-18 20:09:06 +03:00
Alexey Arno
cd59370159 dbms: Server: feature development [#METR-14875] 2015-02-18 20:05:25 +03:00
Alexey Arno
4dd8387f2d dbms: Server: feature development [#METR-14875] 2015-02-18 20:05:25 +03:00
Alexey Arno
8407779d2e dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:15 +03:00
Alexey Arno
0869016283 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
2c547ad2fd dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
f6745b2972 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
932755f851 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
c342867233 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
c95bec1cf4 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Andrey Mironov
17ff7a352b Merge 2015-02-16 20:06:45 +03:00
Alexey Milovidov
68dd2317ce dbms: improved performance on short queries from wide tables [#METR-2944]. 2015-02-15 16:30:07 +03:00
Alexey Milovidov
2d04fed3a3 dbms: improved performance of reading string column [#METR-2944]. 2015-02-15 15:38:21 +03:00
Alexey Milovidov
6d6faf8b5e dbms: improved performance of JSON output format for data without strings (2.5 times) [#METR-2944]. 2015-02-15 12:45:29 +03:00
Alexey Milovidov
fa84f264aa dbms: more sane progress bar - it doesn't roll back when using ConcatBlockInputStream [#METR-2944]. 2015-02-15 09:08:31 +03:00
Alexey Milovidov
7d4ce4b505 dbms: added settings to fine tune reads from merge tree [#METR-2944]. 2015-02-15 05:31:48 +03:00
Alexey Milovidov
ad2392ee7d dbms: fixed error with StorageBuffer [#METR-15105]. 2015-02-13 23:37:30 +03:00
Alexey Arno
b5105ecdf7 dbms: Server: fixed bug in UNION ALL [#METR-15077] 2015-02-13 14:40:58 +03:00
Alexey Milovidov
ea113f138f dbms: preparation [#METR-2944]. 2015-02-13 04:17:44 +03:00
Alexey Milovidov
59a55a4ce0 dbms: fixed wrong check with function 'match' and many subpatterns [#METR-14976]. 2015-02-11 04:24:51 +03:00
Alexey Milovidov
0289a578f8 dbms: Better [#METR-15052]. 2015-02-11 03:38:07 +03:00