thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-22 07:31:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

muzzy decay 10 ms

Browse Source
This commit is contained in:
Alexander Kuzmenkov 2020-06-27 04:08:21 +03:00
parent e0c4cc9135
commit 8b82ff215f
2 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
contrib/jemalloc-cmake/CMakeLists.txt
View File

@ -22,7 +22,12 @@ if (ENABLE_JEMALLOC)
#
# By enabling percpu_arena number of arenas limited to number of CPUs and hence
# this problem should go away.
set (JEMALLOC_CONFIG_MALLOC_CONF "percpu_arena:percpu,oversize_threshold:0")
#
# muzzy_decay_ms -- use MADV_FREE when available on newer Linuxes, to
# avoid spurious latencies and additional work associated with
# MADV_DONTNEED. See
# https://github.com/ClickHouse/ClickHouse/issues/11121 for motivation.
set (JEMALLOC_CONFIG_MALLOC_CONF "percpu_arena:percpu,oversize_threshold:0,muzzy_decay_ms:10000")
else()
set (JEMALLOC_CONFIG_MALLOC_CONF "oversize_threshold:0")
endif()

2
docker/test/performance-comparison/config/config.d/perf-comparison-tweaks-config.xml
View File

@ -20,4 +20,6 @@
</metric_log>
<uncompressed_cache_size>1000000000</uncompressed_cache_size>
<asynchronous_metrics_update_period_s>10</asynchronous_metrics_update_period_s>
</yandex>