yiguolei commented on code in PR #12496:
URL: https://github.com/apache/doris/pull/12496#discussion_r980713899
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bin/start_be.sh:
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@@ -207,6 +207,8 @@ export UBSAN_OPTIONS=print_stacktrace=1
## 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"
+
Review Comment:
could we set the thread cache size to 1MB, for doris there maybe 1000
threads and the total cache will be 1GB, I think it is ok.
And the decay time is too long, I think 30s is ok?
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