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Revert "Query the JVM for the minimum stack size." 

This reverts commit 5bde2a6d5d.
This commit is contained in:
Brandon Williams 2012-07-20 15:41:57 -05:00
parent 5bde2a6d5d
commit bfdfe9014a
1 changed files with 5 additions and 6 deletions
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11
conf/cassandra-env.sh
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@ -151,19 +151,18 @@ if [ "x$CASSANDRA_HEAPDUMP_DIR" != "x" ]; then
JVM_OPTS="$JVM_OPTS -XX:HeapDumpPath=$CASSANDRA_HEAPDUMP_DIR/cassandra-`date +%s`-pid$$.hprof"
fi
java_version=`"${JAVA:-java}" -version 2>&1 | awk '/version/ {print $3}' | egrep -o '[0-9]+\.[0-9]+'`
if [ "`uname`" = "Linux" ] ; then
# try to determine JVM stack minimum by using too-small stack
# (note that 16k causes segfault and smaller prints invalid size error)
java_min_stack=`"${JAVA:-java}" -Xss32k 2>&1 | sed -nr 's/The stack size specified is too small, Specify at least ([0-9]+k)/\1/p'`
java_version=`"${JAVA:-java}" -version 2>&1 | awk '/version/ {print $3}' | egrep -o '[0-9]+\.[0-9]+'`
# reduce the per-thread stack size to minimize the impact of Thrift
# thread-per-client. (Best practice is for client connections to
# be pooled anyway.) Only do so on Linux where it is known to be
# supported.
if [ -n "$java_min_stack" ]
if [ "$java_version" = "1.7" ]
then
JVM_OPTS="$JVM_OPTS -Xss$java_min_stack"
JVM_OPTS="$JVM_OPTS -Xss160k"
else
JVM_OPTS="$JVM_OPTS -Xss128k"
fi
fi
echo "xss = $JVM_OPTS"