Adjust fullnode/drone oom_score_adj to goad the kernel into killing it first
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16772d3d51
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@ -173,6 +173,21 @@ tune_networking() {
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fi
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}
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oom_score_adj() {
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declare pid=$1
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declare score=$2
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if [[ $(uname) != Linux ]]; then
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return
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fi
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(
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echo "$score" > "/proc/$pid/oom_score_adj"
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if [[ $score != $(cat "/proc/$pid/oom_score_adj") ]]; then
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echo "Failed to set oom_score_adj for pid $pid"
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fi
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)
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}
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SOLANA_CONFIG_DIR=${SNAP_DATA:-$PWD}/config
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SOLANA_CONFIG_PRIVATE_DIR=${SNAP_DATA:-$PWD}/config-private
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SOLANA_CONFIG_VALIDATOR_DIR=${SNAP_DATA:-$PWD}/config-validator
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@ -42,4 +42,5 @@ $solana_drone \
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-l "$SOLANA_CONFIG_DIR"/leader.json -k "$SOLANA_CONFIG_PRIVATE_DIR"/mint.json \
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> >($drone_logger) 2>&1 &
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pid=$!
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oom_score_adj "$pid" 1000
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wait "$pid"
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@ -31,4 +31,5 @@ $program \
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--ledger "$SOLANA_CONFIG_DIR"/ledger \
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> >($leader_logger) 2>&1 &
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pid=$!
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oom_score_adj "$pid" 1000
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wait "$pid"
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@ -108,4 +108,5 @@ $program \
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--ledger "$SOLANA_LEADER_CONFIG_DIR"/ledger \
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> >($validator_logger) 2>&1 &
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pid=$!
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oom_score_adj "$pid" 1000
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wait "$pid"
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