narendly commented on a change in pull request #788: Implement request
forwarding for ZkRoutingDataWriter
URL: https://github.com/apache/helix/pull/788#discussion_r384311560
##########
File path:
helix-rest/src/main/java/org/apache/helix/rest/metadatastore/accessor/ZkRoutingDataWriter.java
##########
@@ -62,10 +77,21 @@ public ZkRoutingDataWriter(String namespace, String
zkAddress) {
}
// Get the hostname (REST endpoint) from System property
- // TODO: Fill in when Helix REST implementations are ready
- ZNRecord myServerInfo = new ZNRecord("dummy hostname");
+ _myHostName =
System.getProperty(MetadataStoreRoutingConstants.MSDS_SERVER_HOSTNAME_KEY);
+ if (_myHostName == null) {
+ throw new IllegalStateException(
+ "Unable to get the hostname of this server instance.
System.getProperty fails to fetch "
+ + MetadataStoreRoutingConstants.MSDS_SERVER_HOSTNAME_KEY + ".");
+ }
+ ZNRecord myServerInfo = new ZNRecord(_myHostName);
+
_leaderElection = new ZkDistributedLeaderElection(_zkClient,
MetadataStoreRoutingConstants.LEADER_ELECTION_ZNODE, myServerInfo);
+
+ int timeout = 60; // seconds
Review comment:
Let's make this a Java constant so that we could make this configurable
later.
`private static final int HTTP_REQUEST_TIMEOUT = 60;`
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