I am not sure about the following , but do you mean to update the file - /usr/hdp/2.6.4.0-91/kafka/bin/kafka-server-start.sh and update the parameter - export KAFKA_HEAP_OPTS="-Xms2G -Xmx2G" ? ( according to the article - https://community.hortonworks.com/content/supportkb/151841/error-javalangoutofmemoryerror-direct-buffer-memor.html ) [root@kafka01 conf]# more /usr/hdp/2.6.4.0-91/kafka/bin/kafka-server-start.sh
#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if [ $# -lt 1 ];
then
echo "USAGE: $0 [-daemon] server.properties [--override property=value]*"
exit 1
fi
base_dir=$(dirname $0)
if [ "x$KAFKA_LOG4J_OPTS" = "x" ]; then
export KAFKA_LOG4J_OPTS="-Dlog4j.configuration=file:$base_dir/../config/log4j.properties"
fi
if [ "x$KAFKA_HEAP_OPTS" = "x" ]; then
export KAFKA_HEAP_OPTS="-Xmx1G -Xms1G"
fi
EXTRA_ARGS=${EXTRA_ARGS-'-name kafkaServer -loggc'}
COMMAND=$1
case $COMMAND in
-daemon)
EXTRA_ARGS="-daemon "$EXTRA_ARGS
shift
;;
*)
;;
esac
echo $KAFKA_HEAP_OPTS>>/tmp/uri
exec $base_dir/kafka-run-class.sh $EXTRA_ARGS kafka.Kafka "$@"
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