Commit Graph

20 Commits

Author SHA1 Message Date
Alexey Milovidov
072f2fc7b8 Merges: start to lower maximum size of merge only when number of free entries in pool/queue is lower than specified threshold [#METR-21504]. 2016-12-06 06:09:07 +03:00
Vitaliy Lyudvichenko
202ba912ce Vertical merging algorithm for MergeTree engines. [#METR-23305] 2016-11-29 22:41:31 +03:00
Alexey Milovidov
8e5889cf0e Improved merge selecting algorithm for Replicated tables [#METR-23615]. 2016-11-25 01:41:27 +03:00
alexey-milovidov
8c2e228856 Revert "New "vertical" algorithm for MergeTrees' parts merges" 2016-11-24 23:08:54 +04:00
Vitaliy Lyudvichenko
ef593d1b01 Added merge_tree.enable_vertical_merge_algorithm setting. 2016-11-23 15:59:25 +03:00
Alexey Milovidov
34a9af27bf Inreased default ALTERs safety threshold [#METR-2944]. 2016-11-09 17:14:39 +03:00
Alexey Milovidov
573a84c89a MergeSelector: development [#METR-21841]. 2016-10-31 22:45:22 +03:00
Alexey Milovidov
b7f635d8df Merge selector: development [#METR-21840]. 2016-10-30 12:13:30 +03:00
Alexey Milovidov
74c3b30622 dbms: Simplified logic of selecting merges [#METR-21841]. 2016-10-28 01:50:02 +03:00
Alexey Milovidov
15b369bd08 More instrumentation [#METR-23272]. 2016-10-24 16:47:15 +03:00
f1yegor
af01f6fdcc translate config.xml and MergeTreeSettings.h 2016-10-23 22:13:10 +02:00
Yuri Dyachenko
297a1547c5 more usable settings for delayed insert. issue: #METR-22563 2016-10-19 20:58:27 +03:00
Alexey Milovidov
ee92f5d0cc dbms: prefer fetching part from replica, in some cases [#METR-22288]. 2016-08-02 22:02:00 +03:00
Alexey Milovidov
e8ffd48e49 Loosen safety threshold on amount of ALTER changes [#METR-21615]. 2016-06-06 22:50:30 +03:00
Alexey Milovidov
168ca22435 Fixed error when too long merges cannot be successful [#METR-21616]. 2016-06-06 22:16:34 +03:00
Alexey Milovidov
3973277936 Allowed to modify 'max_files_to_modify_in_alter_columns' [#METR-20763]. 2016-04-05 21:18:16 +03:00
Alexey Milovidov
e29df2814c dbms: checking replication delays [#METR-17573]. 2015-11-05 22:44:19 +03:00
Alexey Milovidov
df90e447fb dbms: increased limit for max_suspicious_broken_parts [#METR-17811]. 2015-09-02 22:39:19 +03:00
Alexey Milovidov
71f64f2d49 Merge 2015-07-17 00:32:51 +03:00
Alexey Milovidov
52847e6591 Merge 2015-07-17 00:03:53 +03:00