Modify env script comment apache#14118

Author: shuwenwei

iotdb-core/confignode/src/assembly/resources/conf/confignode-env.sh

@@ -305,7 +305,7 @@ CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xmx${ON_HEAP_MEMORY}"
 CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:MaxDirectMemorySize=${OFF_HEAP_MEMORY}"
 CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djdk.nio.maxCachedBufferSize=${MAX_CACHED_BUFFER_SIZE}"
 IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+CrashOnOutOfMemoryError"
-# if you want to dump the heap memory while OOM happening, you can use the following command, remember to replace /tmp/heapdump.hprof with your own file path and the folder where this file is located needs to be created in advance
+# if you want to dump the heap memory while OOM happening, you can use the following command, remember to replace ${heap_dump_dir}/confignode_heapdump.hprof with your own file path and the folder where this file is located needs to be created in advance
 #IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${heap_dump_dir}/confignode_heapdump.hprof"
 
 echo "ConfigNode on heap memory size = ${ON_HEAP_MEMORY}B, off heap memory size = ${OFF_HEAP_MEMORY}B"

iotdb-core/datanode/src/assembly/resources/conf/datanode-env.sh

@@ -339,7 +339,7 @@ IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+SafepointTimeout"
 # NOTE: it may reduce memory utilization and trigger OOM killer when memory is tight.
 # IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+AlwaysPreTouch"
 
-# if you want to dump the heap memory while OOM happening, you can use the following command, remember to replace /tmp/heapdump.hprof with your own file path and the folder where this file is located needs to be created in advance
+# if you want to dump the heap memory while OOM happening, you can use the following command, remember to replace ${heap_dump_dir}/datanode_heapdump.hprof with your own file path and the folder where this file is located needs to be created in advance
 # IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${heap_dump_dir}/datanode_heapdump.hprof"