Author: kturner
Date: Thu Jan 3 20:34:03 2013
New Revision: 1428577
URL: http://svn.apache.org/viewvc?rev=1428577&view=rev
Log:
ACCUMULO-865 adjusted replication in bootstrap script
Modified:
accumulo/trunk/bin/bootstrap_hdfs.sh
Modified: accumulo/trunk/bin/bootstrap_hdfs.sh
URL:
http://svn.apache.org/viewvc/accumulo/trunk/bin/bootstrap_hdfs.sh?rev=1428577&r1=1428576&r2=1428577&view=diff
==============================================================================
--- accumulo/trunk/bin/bootstrap_hdfs.sh (original)
+++ accumulo/trunk/bin/bootstrap_hdfs.sh Thu Jan 3 20:34:03 2013
@@ -50,13 +50,21 @@ fi
# Replicate to all slaves to avoid network contention on startup
#
NUM_SLAVES=`wc -l $ACCUMULO_HOME/conf/slaves | grep -P '^\d+(?= )' -o`
-$HADOOP_HOME/bin/hadoop fs -setrep -R $NUM_SLAVES $SYSTEM_CONTEXT_HDFS_DIR >
/dev/null
+
+#let each datanode service around 50 clients
+let "REP=$NUM_SLAVES/50"
+
+if [ $REP -lt 3 ]; then
+ REP=3
+fi
#
# Copy all jars in lib to the system context directory
#
hadoop fs -moveFromLocal $ACCUMULO_HOME/lib/*.jar $SYSTEM_CONTEXT_HDFS_DIR >
/dev/null
+$HADOOP_HOME/bin/hadoop fs -setrep -R $REP $SYSTEM_CONTEXT_HDFS_DIR >
/dev/null
+
#
# We need two of the jars in lib, copy them back out and remove them from the
system context dir
#