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From "DENG FEI (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11153) RPC Client detect address changed should reconnect immediately
Date Thu, 17 Nov 2016 08:27:58 GMT
DENG FEI created HDFS-11153:
-------------------------------

             Summary: RPC Client detect address changed should reconnect immediately
                 Key: HDFS-11153
                 URL: https://issues.apache.org/jira/browse/HDFS-11153
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: ipc
    Affects Versions: 3.0.0-alpha1
            Reporter: DENG FEI


HA mode,the _*"ipc.client.connect.max.retries.on.timeouts"*_ and _*"ipc.client.connect.max.retries"*_
is set zero,but if met active NN's ip changed,it will detect the address is changed,but won't
reconnect because exceed the max retry times,after do 15 times failover and then throw connection
or standby exception.
maybe if found the address is changed,should reconnect immediately no matter the retry times
limit.
----
log is below:
{noformat}
2016-11-16 17:00:20,844 (WARN org.apache.hadoop.ipc.Client 510): Address change detected.
Old: *****:9000 New: XXXXX:9000
2016-11-16 17:01:09,893 (WARN org.apache.hadoop.ipc.Client 510): Address change detected.
Old: *****::9000 New: XXXXX:9000
2016-11-16 17:01:09,893 (WARN org.apache.hadoop.io.retry.RetryInvocationHandler 118): Exception
while invoking class org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo.
Not retrying because failovers (15) exceeded maximum allowed (15)
{noformat}



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