22 Commits

Author	SHA1	Message	Date
Vitaliy Lyudvichenko	ba2b32b0ad	Added vertical_merge_algorithm_min_columns_to_activate option. [#METR-23783]	2016-12-22 16:19:03 +03:00
Vitaliy Lyudvichenko	855dc56598	Added treshold setting for Vertical merge algorithm. [#METR-23305]	2016-12-09 13:13:16 +03:00
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