This reverts commit abaa1501.

Removed all trailing whitespaces [#CLICKHOUSE-2]. find . -name '*.h' -or -name '*.cpp' -or -name '*.cmake' -or -name 'CMakeLists.txt' -or -name '*.html' -or -name '*.xml' | grep -v contrib | xargs sed -i -r -e 's/\s+$//'

* Max parallel fetches limit

* use MergeTreeSettings.h

* clean

* Add REMOVE_PART

* fix

* fix

* fix codestyle

Fixed error when parts of unlimited total size could be selected for merge in case of low free disk space [#CLICKHOUSE-2895].

* fix_part_log

* fixed language back

* add reset part_log back

* reset part_log when don't need more

* Fix header

* fix

* Added part_log

* first_test

* filter and hits_res

* Add renamer and drawer

* Add columns database and table into PartLog

* Add normal way to get table_name and database_name from part

* improve drawer

* add stats for random size parts

* Merge converter and drawer

* make drawer more informative

* add new data

* add new data

* new data

* add long range stats

* for checking best way

* Add add_parts script

* Good style for global merge

* delete commented code

* Fixed spaces to tabs

* Note that Stopwatch is started automatically.

* Style

* Update StorageMergeTree.cpp

* Update StorageReplicatedMergeTree.cpp

* Switch act_time_ms to duration_ms

* Added ability to disable part_log

* fixed getPartLog

* fix usage getPartLog

* fix

commit e712f469
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:59:13 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 2a002823
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:58:30 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 9e06f407
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:55:14 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 9581620f
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:54:22 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 2a8564c6
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:47:34 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit cf60632d
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:40:09 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit ee3d1dc6
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:22:49 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 65592ef7
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:18:17 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 37972c25
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:17:06 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit dd909d14
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:16:28 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 3cf43266
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:15:42 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 6731a3df
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:13:35 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 1b5727e0
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:11:18 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit bbcf726a
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:09:04 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit c03b477d
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:06:30 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 2986e2fb
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:05:44 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit 5d6cdef1
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:04:53 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit f2b819b2
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Sat Jan 14 11:01:47 2017 +0300

    Less dependencies [#CLICKHOUSE-2]

commit c567d4e1
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 20:35:01 2017 +0300

    Style [#METR-2944].

commit 26bf3e12
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 20:33:11 2017 +0300

    Miscellaneous [#METR-2944].

commit eb946f4c
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 20:30:19 2017 +0300

    Miscellaneous [#METR-2944].

commit 78c867a1
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 20:11:41 2017 +0300

    Miscellaneous [#METR-2944].

commit 6604c5c8
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 19:56:15 2017 +0300

    Miscellaneous [#METR-2944].

commit 23fbf05c
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 19:47:52 2017 +0300

    Miscellaneous [#METR-2944].

commit 98772faf
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 19:46:05 2017 +0300

    Miscellaneous [#METR-2944].

commit 3dc636ab
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 19:39:46 2017 +0300

    Miscellaneous [#METR-2944].

commit 3e16aee9
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 19:38:03 2017 +0300

    Miscellaneous [#METR-2944].

commit ae7e7e90
Author: Alexey Milovidov <milovidov@yandex-team.ru>
Date:   Fri Jan 6 19:34:15 2017 +0300

    Miscellaneous [#METR-2944].

Added new column and CurrentMetrics data into system.events table.
Removed unnecessary code from Context and Merge list. [#METR-23911]

StorageReplicatedMergeTree: Correct taking /quorum/last_part into account when merging. [#METR-23826]

Fixed deadlock in test when many replicas on single server try to execute multiple attaches and wait for each other [#METR-23507].