Commit Graph

116 Commits

Author SHA1 Message Date
Alexey Milovidov
a01534e6ab Added syntactic sugar for count(DISTINCT ...) and 'count_distinct_implementation' setting [#METR-22035]. 2016-07-10 18:52:35 +03:00
Alexey Milovidov
1a420a14e9 Squashing small blocks on INSERT (when passing blocks via TCP interface or when doing INSERT SELECT) [#METR-21877]. 2016-07-02 00:02:13 +03:00
Alexey Milovidov
d9b8b74180 Added setting 'log_queries_cut_to_length' [#METR-21843]. 2016-06-25 06:21:01 +03:00
Alexey Milovidov
42cb486bc1 Added setting 'http_native_compression_disable_checksumming_on_decompress' [#METR-20784]. 2016-04-10 02:24:38 +03:00
Alexey Milovidov
2a85a1d266 Added setting 'replicated_alter_columns_timeout' [#METR-20816]. 2016-04-09 08:43:55 +03:00
Alexey Milovidov
53d13330df Set 'merge_tree_min_rows_for_seek' to 0, because higher values are not better [#METR-20607]. 2016-03-27 15:52:13 +03:00
Alexey Arno
e9718711d0 dbms: Code cleanup. [#METR-18510] 2016-03-08 18:38:06 +03:00
Alexey Arno
6efc98d1f3 Merge 2016-03-01 20:47:53 +03:00
Alexey Milovidov
9e81f3eea0 Added setting 'enable_http_compression' [#METR-20041]. 2016-02-19 22:02:20 +03:00
Alexey Milovidov
6a2a082ea7 Added setting http_zlib_compression_level [#METR-20041]. 2016-02-12 05:26:04 +03:00
Pavel Kartavyy
fec72d8e58 Merge 2016-01-27 14:37:03 +03:00
Pavel Kartavyy
e19e2effd6 build fix 2016-01-27 10:03:15 +03:00
Alexey Milovidov
6d50fb4b44 dbms: fixed quorum inserts; improved performance of ordinary inserts [#METR-16779]. 2016-01-24 08:00:24 +03:00
Alexey Milovidov
d51e03da61 dbms: added fault injection in memory tracker to more easily reproducing the bug [#METR-19278]. 2015-12-23 10:39:28 +03:00
Alexey Milovidov
2aeb48be2d dbms: added backoff on slow reads [#METR-17579]. 2015-12-13 07:52:13 +03:00
Alexey Milovidov
f27bfcdc0b dbms: temporarily set 'aggregation_memory_efficient_merge_threads' to 1 because of incorrect implementation [#METR-17000]. 2015-12-10 05:40:31 +03:00
Alexey Milovidov
0ceb0280f7 dbms: added setting 'aggregation_memory_efficient_merge_threads' [#METR-17000]. 2015-12-03 08:03:23 +03:00
Alexey Milovidov
48e840a199 dbms: external aggregation: development [#METR-17000]. 2015-11-30 22:57:46 +03:00
Alexey Milovidov
d9bc972a59 dbms: allowed to use index if column is wrapped by piecewise-monotonic functions: initial implementation [#METR-19052]. 2015-11-29 11:06:29 +03:00
Alexey Milovidov
2d00e5d84f dbms: SAMPLE ... OFFSET development: using rational numbers [#METR-18847]. 2015-11-20 00:34:53 +03:00
Alexey Milovidov
df3f04cdeb dbms: fixing warnings in gcc-5 [#METR-18843]. 2015-11-16 06:28:10 +03:00
Alexey Arno
29dc5f91d1 Merge 2015-11-06 20:44:01 +03:00
Alexey Milovidov
5e21d6a11d dbms: implemented TODO [#METR-18472]. 2015-10-16 18:36:23 +03:00
Alexey Milovidov
9f5aa6c26e dbms: Set 'merge_tree_uniform_read_distribution' to true by default [#METR-16457]. 2015-10-08 03:09:48 +03:00
Alexey Milovidov
6571769d3b dbms: added setting 'select_sequential_consistency' [#METR-16779]. 2015-09-20 14:54:58 +03:00
Alexey Arno
1cae6e8b54 Merge 2015-09-18 16:36:10 +03:00
Pavel Kartavyy
44c810b228 ███████████: split ClickHouse query to several sub queries [#METR-17968] 2015-09-14 11:50:35 +03:00
Alexey Milovidov
aaa70348af dbms: quorum inserts: development [#METR-16779]. 2015-09-09 21:15:36 +03:00
Alexey Milovidov
0ca77545b2 dbms: added setting 'max_concurrent_queries_for_user' [#METR-17965]. 2015-09-09 00:01:43 +03:00
Alexey Milovidov
9f38f15294 dbms: pull scheme for GLOBAL subqueries: development [#METR-17758]. 2015-09-05 00:39:10 +03:00
Andrey Mironov
e8111d7e07 Merge 2015-09-03 15:07:46 +03:00
Andrey Mironov
288f46936a Merge 2015-09-02 18:48:10 +03:00
Andrey Mironov
ef356f9267 Merge 2015-09-01 19:09:12 +03:00
Andrey Mironov
84d24ae336 merge branch 'master' 2015-08-31 18:50:06 +03:00
Alexey Milovidov
5b0b5dc9cf dbms: added memory-efficient mode of distributed aggregation [#METR-17536]. 2015-07-31 02:41:02 +03:00
Alexey Milovidov
efc741efb0 dbms: added setting 'distributed_group_by_no_merge' [#METR-17060]. 2015-06-28 09:48:42 +03:00
Alexey Milovidov
4cebee36ea dbms: added setting 'skip_unavailable_shards' [#METR-17059]. 2015-06-28 09:38:18 +03:00
Alexey Milovidov
c36fdf0e56 dbms: initial implementation of QueryLog [#METR-16946]. 2015-06-26 23:48:10 +03:00
Andrey Mironov
aa7fe63962 dbms: temporarily add merge_tree_uniform_read_distribution setting. [#METR-16457] 2015-06-24 16:22:31 +03:00
Alexey Milovidov
6f3d8f0efc dbms: added simple priorities system [#METR-16911]. 2015-06-21 09:06:04 +03:00
Pavel Kartavyy
665afc2550 dbms: renamed SettingsNetworkCompressionMethod to SettingsCompressionMethod[#METR-16391] 2015-05-22 18:22:36 +03:00
Pavel Kartavyy
65d74a6195 dbms: add network compression method to settings [#METR-16391]
dbms: add network compression method to settings [#METR-16391]
2015-05-22 18:22:36 +03:00
Andrey Mironov
9b5ff37c09 dbms: set optimize_move_to_prewhere to on by default [#METR-13020] 2015-05-21 19:26:23 +03:00
Alexey Milovidov
8a1ea8cdad dbms: disabled max_streams_to_max_threads_ratio by default [#METR-2944]. 2015-05-12 08:01:43 +03:00
Alexey Milovidov
566b62854b dbms: more unform distribution of work among threads (experimental) [#METR-2944]. 2015-05-11 03:11:22 +03:00
Alexey Arno
44066984cf Merge 2015-05-07 13:31:50 +03:00
Alexey Milovidov
a5ac7fb70c dbms: disabled direct IO by default [#METR-15090]. 2015-04-16 14:47:17 +03:00
Alexey Arno
ac1e12e8dc dbms: Server: tweaked comments. [#METR-15090] 2015-04-15 11:45:22 +03:00
Alexey Milovidov
cac503ff82 Merge 2015-04-12 07:39:20 +03:00
Alexey Arno
b5c1932b8c Merge 2015-04-10 20:51:39 +03:00