<NME> sysconfig
<BEF> ADDFILE
<MSG> - add more-documented sysconfig defaults for centos

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+# Set 'START' to true to have logstash start.
+START=false
+
+# The 'ulimit -n' setting for logstash.
+# You may need to increase this if you are using
+# the elasticsearch output with 'embedded => true'
+#OPEN_FILES=16384
+
+# How many filter workers to run. 
+# Note this requires you use thread-safe filters
+#FILTER_THREADS=1
+
+# The flags to provide to java
+#LS_JAVA_OPTS="-Xmx256m -Djava.io.tmpdir=$LS_HOME/tmp"
+

- add more-documented sysconfig defaults for centos