[jira] [Created] (HADOOP-17275) Implement Incremental globStatus() -> RemoteIterator class

Previous Topic Next Topic
 
classic Classic list List threaded Threaded
1 message Options
Reply | Threaded
Open this post in threaded view
|

[jira] [Created] (HADOOP-17275) Implement Incremental globStatus() -> RemoteIterator class

Ayush Saxena (Jira)
Steve Loughran created HADOOP-17275:
---------------------------------------

             Summary: Implement Incremental globStatus() -> RemoteIterator class
                 Key: HADOOP-17275
                 URL: https://issues.apache.org/jira/browse/HADOOP-17275
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs
    Affects Versions: 3.3.0
            Reporter: Steve Loughran


globStatus/globber is inefficient, not incremental and doesn't provide a way to query any IOStatistics.

Proposed:
* new IncrementalGlobber class which takes an interface to the file source (+impls for FS and FC) which offer the incremental ops
* use incremental listStatusIncremental calls
* or, if no wildcards, full deep listFiles(recursive)
* collect IOStatistics from source ops, aggregate and serve

Potentially a lot of work...need to look carefully here



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: [hidden email]
For additional commands, e-mail: [hidden email]