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From "DENG FEI (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11153) RPC Client detect address changed should reconnect immediately
Date Tue, 23 May 2017 02:49:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

DENG FEI updated HDFS-11153:
----------------------------
    Attachment: stupid.png

> 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
>         Attachments: HDFS-1153.001.patch, stupid.png
>
>
> 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 change,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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