set default value for dfs.domain.socket.path
Instead of setting empty string, an example value from HDFS doc should
be better to follow.
@@ -148,7 +148,7 @@ SessionConfig::SessionConfig(const Config & conf) {
{&rpcAuthMethod, "hadoop.security.authentication", "simple" },
{&kerberosCachePath, "hadoop.security.kerberos.ticket.cache.path", "" },
{&logSeverity, "dfs.client.log.severity", "INFO" },
- {&domainSocketPath, "dfs.domain.socket.path", ""},
+ {&domainSocketPath, "dfs.domain.socket.path", "/var/lib/hadoop-hdfs/dn_socket"},
{&kmsUrl, "dfs.encryption.key.provider.uri", "" },
{&kmsAuthMethod, "hadoop.kms.authentication.type", "simple" }
};
