[GitHub] [bookkeeper] casuallc opened a new issue #2786: How to use my own dns resolver ???

[GitBox <gi...@apache.org>]

casuallc opened a new issue #2786:
URL: https://github.com/apache/bookkeeper/issues/2786


   **QUESTION**
   
   There is no way to use my own dns resolver in `BookKeeperClient`, but I can use it in other places.
   
   Should this in conflict?
   
   ```
   // BookKeeperClient.commonInitialization
   private synchronized void commonInitialization(
               DistributedLogConfiguration conf,
               String ledgersPath,
               EventLoopGroup eventLoopGroup,
               StatsLogger statsLogger, HashedWheelTimer requestTimer)
           throws IOException, InterruptedException {
   // other code ...
   
   Class<? extends DNSToSwitchMapping> dnsResolverCls;
           try {
                dnsResolverCls = conf.getEnsemblePlacementDnsResolverClass();
           } catch (ConfigurationException e) {
               LOG.error("Failed to load bk dns resolver : ", e);
               throw new IOException("Failed to load bk dns resolver : ", e);
           }
           final DNSToSwitchMapping dnsResolver =
                   NetUtils.getDNSResolver(dnsResolverCls, conf.getBkDNSResolverOverrides());
   
   
   // other code ...
   
   }
   ```
   
   **who can give me a answer of :**
   -  only DNSResolverForRows or DNSResolverForRacks will returned.
   -  if config `reppDnsResolverClass` is set, my onw dns resolver will be loaded in other places.
   
   **dose this in conflict...**


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[GitHub] [bookkeeper] jdfrozen commented on issue #2786: How to use my own dns resolver ???

[GitBox <gi...@apache.org>]

jdfrozen commented on issue #2786:
URL: https://github.com/apache/bookkeeper/issues/2786#issuecomment-919893111


   请教咋配置RackawareEnsemblePlacementPolicy，有相关的文档嘛，pulsar和bookkeeper的文档不清不楚的


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