Alexey Milovidov
788d8e740d
ZooKeeper: more instrumentation [#CLICKHOUSE-2]
2018-04-04 00:07:22 +03:00
Alexey Zatelepin
6d5ce3fa9a
revert BackgroundSchedulePool usage in Replicated tables
2017-12-22 21:25:54 +03:00
Silviu Caragea
64619c614f
Basic idea is :
...
- We add BackgroundSchedulePool which can execute a function at a specific point in time. Basically all tasks are added in a queue and precessed by worker threads.
- The most important difference between this and BackgroundProcessingPool is that we have the guarantee that the same function is not executed from many workers in the same time
- Each of the following classes instead starting a thread will register a task in BackgroundSchedulePool and when they need to run will call schedule or scheduleAfter(duration) functions
This commit is moving all threads created by ReplicatedMergeTree to BackgroundSchedulePool tasks
NOTE: I did a minimum number of changes to be much simple to review the code
2017-11-17 10:58:35 +02:00
Vitaliy Lyudvichenko
18af75a4f1
Add metrics for RWLockFIFO. [#CLICKHOUSE-3246]
2017-10-12 22:32:31 +03:00
Alexey Milovidov
34ac4fa3b8
Added metric with revision number for better monitoring of deployment [#CLICKHOUSE-2].
2017-08-01 17:34:06 +03:00
Alexey Milovidov
310736cd7e
Moved headers and sources to same place [#CLICKHOUSE-3].
2017-04-01 12:22:42 +03:00
Alexey Milovidov
137ad95929
Changed tabs to spaces in code [#CLICKHOUSE-3].
2017-04-01 11:35:09 +03:00
proller
f04dffc05c
External dictionary profiling [#CLICKHOUSE-2197] ( #381 )
...
* Profiling external cached dictonaries [#CLICKHOUSE-2197]
* style
2017-01-25 22:40:44 +04:00
Vitaliy Lyudvichenko
108bfac17e
Added memory tracking events and columns for merges. [#METR-23911]
2016-12-31 02:39:53 +03:00
Alexey Milovidov
54587fec1b
Tracking memory used in merges [#METR-23888].
2016-12-20 05:29:35 +03:00
Alexey Milovidov
442ff1d3b8
StorageBuffer: simplification; added metrics [#METR-23888].
2016-12-20 02:55:13 +03:00
Alexey Milovidov
59da0fd12a
Added metrics and events for Context lock [#METR-23763].
2016-12-08 01:49:42 +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
Alexey Milovidov
9a3deed1ea
Added metric about leadership [#METR-23272].
2016-10-24 15:46:54 +03:00
Alexey Milovidov
ea852bb9d8
Separate compilation of CurrentMetrics; Separated AsynchronousMetrics from CurrentMetrics; Comments [#METR-23237].
2016-10-24 07:06:27 +03:00
Alexey Milovidov
6f4fc79cde
Better [#METR-2944].
2016-07-31 06:53:16 +03:00
Alexey Milovidov
0f3e163c4e
dbms: CurrentMetrics: development [#METR-19596].
2016-01-21 04:47:28 +03:00
Alexey Milovidov
30e559636d
dbms: added support for global metrics: sending to graphite; added system.metrics table [#METR-19596].
2016-01-21 00:32:01 +03:00