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Don't fail init script if `/proc/.../max_map_count` absent (#38789) 

Currently init scripts fail when `/proc/sys/vm/max_map_count` is not present
with `-bash: [: too many arguments`.

Fix conditional logic to avoid trying to set the `max_map_count` sysctl if not
present.

Backport of: #35933
Relates: #27236
This commit is contained in:
Dimitrios Liappis 2019-02-13 09:56:47 +02:00 committed by GitHub
parent 542ee5f46a
commit 470ac0ec95
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 2 additions and 2 deletions
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2
distribution/packages/src/deb/init.d/elasticsearch
View File

@ -122,7 +122,7 @@ case "$1" in
ulimit -l $MAX_LOCKED_MEMORY
fi
if [ -n "$MAX_MAP_COUNT" -a -f /proc/sys/vm/max_map_count -a "$MAX_MAP_COUNT" -gt $(cat /proc/sys/vm/max_map_count) ]; then
if [ -n "$MAX_MAP_COUNT" -a -f /proc/sys/vm/max_map_count ] && [ "$MAX_MAP_COUNT" -gt $(cat /proc/sys/vm/max_map_count) ]; then
sysctl -q -w vm.max_map_count=$MAX_MAP_COUNT
fi

2
distribution/packages/src/rpm/init.d/elasticsearch
View File

@ -90,7 +90,7 @@ start() {
if [ -n "$MAX_LOCKED_MEMORY" ]; then
ulimit -l $MAX_LOCKED_MEMORY
fi
if [ -n "$MAX_MAP_COUNT" -a -f /proc/sys/vm/max_map_count -a "$MAX_MAP_COUNT" -gt $(cat /proc/sys/vm/max_map_count) ]; then
if [ -n "$MAX_MAP_COUNT" -a -f /proc/sys/vm/max_map_count ] && [ "$MAX_MAP_COUNT" -gt $(cat /proc/sys/vm/max_map_count) ]; then
sysctl -q -w vm.max_map_count=$MAX_MAP_COUNT
fi