|
@@ -59,18 +59,18 @@ TransportClient client = new PreBuiltTransportClient(settings);
|
|
|
|
|
|
The Transport client comes with a cluster sniffing feature which
|
|
|
allows it to dynamically add new hosts and remove old ones.
|
|
|
-When sniffing is enabled the the transport client will connect to the nodes in its
|
|
|
-internal node list, which is built via calls to addTransportAddress.
|
|
|
+When sniffing is enabled, the transport client will connect to the nodes in its
|
|
|
+internal node list, which is built via calls to `addTransportAddress`.
|
|
|
After this, the client will call the internal cluster state API on those nodes
|
|
|
to discover available data nodes. The internal node list of the client will
|
|
|
be replaced with those data nodes only. This list is refreshed every five seconds by default.
|
|
|
Note that the IP addresses the sniffer connects to are the ones declared as the 'publish'
|
|
|
address in those node's elasticsearch config.
|
|
|
|
|
|
-Keep in mind that list might possibly not include the original node it connected to
|
|
|
+Keep in mind that the list might possibly not include the original node it connected to
|
|
|
if that node is not a data node. If, for instance, you initially connect to a
|
|
|
-master node, after sniffing no further requests will go to that master node,
|
|
|
-but rather to any data nodes instead. The reason the transport excludes non-data
|
|
|
+master node, after sniffing, no further requests will go to that master node,
|
|
|
+but rather to any data nodes instead. The reason the transport client excludes non-data
|
|
|
nodes is to avoid sending search traffic to master only nodes.
|
|
|
|
|
|
In order to enable sniffing, set `client.transport.sniff` to `true`:
|