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new 08ebef2992 [Enhancement] check vm.max_map_count before starting
(#11052)
08ebef2992 is described below
commit 08ebef2992a5afeef7587392d44093045e31ea6a
Author: Yongqiang YANG <98214048+dataroar...@users.noreply.github.com>
AuthorDate: Thu Jul 21 21:16:48 2022 +0800
[Enhancement] check vm.max_map_count before starting (#11052)
When vectorized engine is enabled, doris uses much more vmas than before,
and it leads to core dump due to memory allocation failure.
---
bin/start_be.sh | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/bin/start_be.sh b/bin/start_be.sh
index 551a12e5c0..4944230252 100755
--- a/bin/start_be.sh
+++ b/bin/start_be.sh
@@ -58,6 +58,12 @@ export DORIS_HOME=$(
pwd
)
+MAX_MAP_COUNT=`sysctl -n vm.max_map_count`
+if [ $MAX_MAP_COUNT -lt 2000000 ]; then
+ echo "Please set vm.max_map_count to be 2000000. sysctl -w
vm.max_map_count=2000000"
+ exit 1
+fi
+
# add libs to CLASSPATH
for f in $DORIS_HOME/lib/*.jar; do
if [ ! -n "${DORIS_JNI_CLASSPATH_PARAMETER}" ]; then
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