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configure-lb-weight(1) asadmin Utility Subcommands configure-lb-weight(1)
NAME
configure-lb-weight - sets load balancing weights for clustered
instances
SYNOPSIS
configure-lb-weight [--help] --cluster cluster_name
instance-name=weight[:instance-name=weight]
DESCRIPTION
The configure-lb-weight subcommand assigns weight to the server
instances in a cluster. Weights can be used for HTTP, RMI/IIOP and JMS
load balancing. For the HTTP load balancer, the weights are used only
if the load balancer's policy is set to weighted-round-robin. The load
balancer policy is set in the create-http-lb-ref subcommand or set
subcommand.
Use the weight to vary the load going to different instances in the
cluster. For example, if an instance is on a machine with more
capacity, give it a higher weight so that more requests are sent to
that instance by the load balancer. The default weight is 100. If all
instances have the default weight, the load balancer performs simple
round robin load balancing.
Note
+----------------------------------------+
| This subcommand is only |
| applicable to Oracle |
| GlassFish Server. This |
| subcommand is not applicable |
| to GlassFish Server Open |
| Source Edition. |
+----------------------------------------+
OPTIONS
--help, -?
Displays the help text for the subcommand.
--cluster
The name of the cluster.
OPERANDS
instance-name=weight
The name of the instance and the weight you are assigning it. The
weight must be an integer. The pairs of instances and weights are
separated by colons. For example instance1=1:instance2=4 means that
for every five requests, one goes to instance1 and four go to
instance2. A weight of 1 is the default.
EXAMPLES
Example 1, Assigning Load Balancer Weights to Cluster Instances
The following subcommand assigns weights of 1, 1, and 2 to
instances i1, i2, and i3 in the cluster1 cluster.
asadmin> configure-lb-weight --cluster cluster1 i1=1:i2=1:i3=2
Command configure-lb-weight executed successfully.
EXIT STATUS
0
subcommand executed successfully
1
error in executing the subcommand
SEE ALSO
create-http-lb-ref(1)create-cluster(1)
asadmin(1M)
Jakarta EE 10 25 Aug 2010 configure-lb-weight(1)
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