Package org.apache.pulsar.common.util.netty

Class DnsResolverUtil

  • public class DnsResolverUtil
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void applyJdkDnsCacheSettings​(io.netty.resolver.dns.DnsNameResolverBuilder dnsNameResolverBuilder)
      Configure Netty's DnsNameResolverBuilder's ttl and negativeTtl to match the JDK's DNS caching settings.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • applyJdkDnsCacheSettings

        public static void applyJdkDnsCacheSettings​(io.netty.resolver.dns.DnsNameResolverBuilder dnsNameResolverBuilder)
        Configure Netty's DnsNameResolverBuilder's ttl and negativeTtl to match the JDK's DNS caching settings. If the JDK setting for TTL is forever (-1), the TTL will be set to 60 seconds.
        Parameters:
        dnsNameResolverBuilder - The Netty DnsNameResolverBuilder instance to apply the settings