InetAddress should utilize networkaddress.cache.ttl for getLocalHost() too (original) (raw)

Deven You youdwei at linux.vnet.ibm.com
Mon Jul 9 19:24:38 PDT 2012

Hi All, There is anybody notice this issue.

Thanks a lot! On 07/05/2012 02:10 PM, Deven You wrote:

Hi All,

I noticed that InetAddress.getLocalHost() uses cache to improve the performance. However the default implementation is caching local host within 5 seconds. From the spec, networkaddress.cache.ttl should be used to control the cache behaviour and I think it is a better solution. For example, if the networkaddress.cache.ttl is set to -1 which means always cache the local host then we can avoid unnecessary operations on getAddressesFromNameService to improve the performance. I have made a patch for this solution, so anyone would like to take a look? [1] http://cr.openjdk.java.net/~littlee/OJDK-527/webrev.00/ <http://cr.openjdk.java.net/%7Elittlee/OJDK-527/webrev.00/> Thanks a lot! -- Best Regards, Deven

-- Best Regards,

Deven

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