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https://issues.apache.org/jira/browse/HDFS-9118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15187915#comment-15187915
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Bob Hansen commented on HDFS-9118:
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Great. If we can, let's implement the plugins for the C-API glue logger and
the stream/stderr logger. If we want to be super-cool, we could include
example plug-ins for google logging (but we don't want to have a dependency
here).
What data types to we need to support in the first pass? I would say all the
fundamental types http://en.cppreference.com/w/cpp/language/types and special
handling for const char * and const std::string &.
I think we should be able to have a fallback << <T>foo that calls
std::to_string<T>(foo) that covers many cases.
> Add logging system for libdhfs++
> --------------------------------
>
> Key: HDFS-9118
> URL: https://issues.apache.org/jira/browse/HDFS-9118
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Affects Versions: HDFS-8707
> Reporter: Bob Hansen
> Assignee: James Clampffer
> Attachments: HDFS-9118.HDFS-8707.000.patch,
> HDFS-9118.HDFS-8707.001.patch
>
>
> With HDFS-9505, we've starting logging data from libhdfs++. Consumers of the
> library are going to have their own logging infrastructure that we're going
> to want to provide data to.
> libhdfs++ should have a logging library that:
> * Is overridable and can provide sufficient information to work well with
> common C++ logging frameworks
> * Has a rational default implementation
> * Is performant
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