Commit Graph

21 Commits

Author SHA1 Message Date
Maxim Akhmedov
2f12866bc2 Introduce macro for disabling allocator mmapping. 2020-01-25 22:17:18 +03:00
Alexander Kuzmenkov
8a1d57bddb Include PODArray.h into fewer files. 2019-10-11 14:28:16 +03:00
Ivan Lezhankin
9e46118edd Merge remote-tracking branch 'upstream/master' into issue-6459 2019-09-20 21:25:55 +03:00
Alexander Kuzmenkov
e3a9863260 Use MAP_POPULATE only on Linux. 2019-09-18 15:32:23 +03:00
Ivan Lezhankin
5b60053ef7 [WIP] 2019-09-13 17:56:27 +03:00
Alexander Kuzmenkov
fd00889981 Pre-fault mmapped buffers for hash tables.
Mmaped pages are copy-on-write references to the zero page, and are
faulted in on the first write. Hash table resize touches most of the
newly allocated buffer, so it's faster to pre-fault all pages after
allocation, instead of having the resize loop interrupted by page
faults.
2019-09-02 18:38:29 +03:00
Alexander Kuzmenkov
ce120ebc0d Cosmetic change: Remove unused template parameters from Allocator. 2019-09-02 18:38:29 +03:00
chertus
d67abcf691 better alignment 2019-08-08 15:11:54 +03:00
chertus
9c15e65dc9 alignment for AllocatorWithStackMemory 2019-08-07 21:43:06 +03:00
Alexey Milovidov
856cc1b9c5 Added thread_local_rng 2019-07-28 18:30:38 +03:00
chertus
d8579714b8 trying to speedup Allocator::realloc() (attempt 2) 2019-07-18 18:25:23 +03:00
chertus
34e1b81f84 trying to speedup Allocator::realloc() 2019-07-18 18:07:41 +03:00
Alexander Kuzmenkov
90c40dccc8 Disable copy and move for AllocatorWithStackMemory.
Since this allocator uses its own buffer field for small allocations,
moving or copying it is ill-defined, because someone might already
use the pointers to its body.
2019-07-02 20:48:33 +03:00
Danila Kutenin
5635e3b01c Use inheritance, it is better 2019-04-06 20:25:54 +03:00
Danila Kutenin
50379e7cd3 Delete state from allocator because of alignment issues 2019-04-06 20:06:39 +03:00
Danila Kutenin
37d70ac558 MarkCache and UncompressedCache use different allocator to catch segfaults more reliable 2019-04-06 18:27:39 +03:00
alexey-milovidov
6db73152d2
Hardening debug build (experimental) (#4632)
* Hardening debug build: more granular memory mappings and ASLR; add memory protection for mark cache and index

* Addition to prev. revision

* Addition to prev. revision

* Addition to prev. revision
2019-03-10 06:16:51 +03:00
Alexey Milovidov
1c6d8e235c Respect alignment in groupArray and maxIntersections aggregate functions [#CLICKHOUSE-2] 2018-09-02 22:20:27 +03:00
f1yegor
46db454562 translate comments 2017-05-09 13:03:35 -04:00
Alexey Milovidov
a0b9bf5e97 Moved code to cpp [#CLICKHOUSE-2]. 2017-04-08 04:32:05 +03:00
Alexey Milovidov
310736cd7e Moved headers and sources to same place [#CLICKHOUSE-3]. 2017-04-01 12:22:42 +03:00