neverchanje commented on a change in pull request #576:
URL: https://github.com/apache/incubator-pegasus/pull/576#discussion_r474535906
##########
File path: scripts/pegasus_rebalance_cluster.sh
##########
@@ -0,0 +1,121 @@
+#!/bin/bash
+#
+# Pegasus cluster rebalance
+#
+
+PID=$$
+
+if [ $# -le 2 ]; then
+ echo "USAGE: $0 <cluster-name> <cluster-meta-list> <only-move-primary>"
Review comment:
```suggestion
echo "USAGE: $0 <cluster-name> <cluster-meta-list> <only-move-primary>"
```
The second argument can be optional, default to false.
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