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FLUSH NAME_CACHE
FLUSH NAME_CACHE
Flushes RTR’s internal network name cache.
Format
FLUSH NAME_CACHE
Command Qualifiers Defaults
/CLUSTER /NOCLUSTER
/NODE[=node-list] /NODE=default-node-list
Description
The
FLUSH NAME_CACHE
removes information for all known nodes from RTR’s
internal network name cache.
Network links could become unstable if a Distributed Name Service (DNS) was
configured improperly or the service was slow in responding. During extreme
DNS latency, RTR could time-out the connections to nodes waiting for a DNS
response. To avoid these problems, RTR has implemented an internal node-name-
to-id cache; this reduces RTR’s exposure to degraded name servers. The contents
of the cache can be deleted the command
FLUSH NAME_CACHE
.
FLUSH NAME_CACHE
may be used if the network has been reconfigured or nodes
have changed their addresses.
Qualifiers
/CLUSTER
/NOCLUSTER (D)
Specifies that the command is executed on all the nodes in the cluster.
If neither
/NODE
nor
/CLUSTER
is specified then the command is executed on the
nodes specified by the latest
SET ENVIRONMENT
command. If no
SET ENVIRONMENT
command has been entered then the command is executed only on the node where
the command was issued.
Note: In environments that do not support clustering, use of the /CLUSTER
qualifier will cause the relevant command to be executed on the local node only.
/NODE[=node-list]
/NODE=default-node-list (D)
Specifies that the command is executed on all nodes specified in
node-list
.If
node-list
is omitted then the command is executed only on the node where the
command was issued.
6–88 RTR Command Line Interface