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https://issues.apache.org/jira/browse/HDFS-12976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505573#comment-16505573
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Konstantin Shvachko commented on HDFS-12976:
--------------------------------------------
Also for slf4j loggers you should use parametrized log message format in order
to avoid string concatenation.
{code}
LOG.error("Failed to connect to {} after {} ms", ...);
{code}
> Introduce ObserverReadProxyProvider
> -----------------------------------
>
> Key: HDFS-12976
> URL: https://issues.apache.org/jira/browse/HDFS-12976
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Konstantin Shvachko
> Assignee: Chao Sun
> Priority: Major
> Attachments: HDFS-12976-HDFS-12943.000.patch, HDFS-12976.WIP.patch
>
>
> {{StandbyReadProxyProvider}} should implement {{FailoverProxyProvider}}
> interface and be able to submit read requests to ANN and SBN(s).
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