You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/12/27 04:34:34 UTC
[GitHub] [doris] xinyiZzz commented on a diff in pull request #15382: [Enhancement](Jemalloc): enable prof & correct the conf name in jemalloc
xinyiZzz commented on code in PR #15382:
URL: https://github.com/apache/doris/pull/15382#discussion_r1057434373
##########
bin/start_be.sh:
##########
@@ -233,7 +233,8 @@ set_tcmalloc_heap_limit() {
## set hdfs conf
export LIBHDFS3_CONF="${DORIS_HOME}/conf/hdfs-site.xml"
-export MALLOC_CONF="percpu_arena:percpu,background_thread:true,metadata_thp:auto,muzzy_decay_ms:30000,dirty_decay_ms:30000,oversize_threshold:0,lg_tcache_max:16"
+# see https://github.com/jemalloc/jemalloc/issues/2366
+export JEMALLOC_CONF="percpu_arena:percpu,background_thread:true,metadata_thp:auto,muzzy_decay_ms:30000,dirty_decay_ms:30000,oversize_threshold:0,lg_tcache_max:16,prof:true,prof_prefix:jeprof.out"
Review Comment:
`prof:true` opening the profile seems to have an impact on performance.
can explain how to use jemalloc heap profile in `debug-tool.md`, which is currently based on tcmalloc.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org