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https://issues.apache.org/jira/browse/YARN-2137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Kumar updated YARN-2137:
------------------------------

    Description: 
Current log-aggregation implementation supports logaggregation to default 
filecontext only. This patch is to support logaggregation to any of the 
supported filesystems within hadoop eco-system (hdfs, s3, swiftfs etc). So for 
example a customer could use hdfs as default filesystem but use s3 or swiftfs 
for logaggregation. Current implementation makes mixed usages of 
FileContext+AbstractFileSystem apis as well as FileSystem apis which is 
confusing.

This patch does two things:
# moves logaggregation implementation to use only FileContext apis
# adds support for doing log aggregation on non-default filesystem as well.
# changes TestLogAggregationService to use local filesystem itself instead of 
mocking the behavior

  was:
Current log-aggregation implementation supports logaggregation to default 
filecontext only. This patch is to support logaggregation to any of the 
supported filesystems within hadoop eco-system (hdfs, s3, swiftfs etc). So for 
example a customer could use hdfs as default filesystem but use s3 or swiftfs 
for logaggregation. Current implementation makes mixed usages of 
FileContext+AbstractFileSystem apis as well as FileSystem apis which is 
confusing.

This patch does two things:
# moves logaggregation implementation to use only FileContext apis
# adds support for doing log aggregation on non-default filesystem as well.


> Add support for logaggregation to a path on non-default filecontext
> -------------------------------------------------------------------
>
>                 Key: YARN-2137
>                 URL: https://issues.apache.org/jira/browse/YARN-2137
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: log-aggregation
>    Affects Versions: 2.4.0
>            Reporter: Sumit Kumar
>
> Current log-aggregation implementation supports logaggregation to default 
> filecontext only. This patch is to support logaggregation to any of the 
> supported filesystems within hadoop eco-system (hdfs, s3, swiftfs etc). So 
> for example a customer could use hdfs as default filesystem but use s3 or 
> swiftfs for logaggregation. Current implementation makes mixed usages of 
> FileContext+AbstractFileSystem apis as well as FileSystem apis which is 
> confusing.
> This patch does two things:
> # moves logaggregation implementation to use only FileContext apis
> # adds support for doing log aggregation on non-default filesystem as well.
> # changes TestLogAggregationService to use local filesystem itself instead of 
> mocking the behavior



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