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https://issues.apache.org/jira/browse/BEAM-5910?focusedWorklogId=186813&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-186813
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ASF GitHub Bot logged work on BEAM-5910:
----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jan/19 09:25
Start Date: 18/Jan/19 09:25
Worklog Time Spent: 10m
Work Description: iemejia commented on issue #6914: [BEAM-5910] Add
lastModified field to MatchResult.Metadata
URL: https://github.com/apache/beam/pull/6914#issuecomment-455481031
Merged manually to squash the commits.
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Issue Time Tracking
-------------------
Worklog Id: (was: 186813)
Time Spent: 4h 20m (was: 4h 10m)
> FileSystems should retrieve lastModified time
> ---------------------------------------------
>
> Key: BEAM-5910
> URL: https://issues.apache.org/jira/browse/BEAM-5910
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Jeff Klukas
> Assignee: Jeff Klukas
> Priority: Minor
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
> In the Java SDK, the Filesystems.match facilities are aimed at listing file
> names and collect very limited additional metadata from the filesystem
> (sizeBytes and isReadSeekEfficient). I propose adding a new field for
> lastModified time to MatchResult.Metadata that each FileSystem would populate
> when listing files.
> This would be a basis for a future improvement to
> FileIO.match(...).continuously(...) where we could let the user opt to poll
> not just for new file names, but also for existing file names if their
> content has been updated.
> In the near term, the addition of lastModified to Metadata would allow users
> to implement their own polling logic on top of Filesystems.match to detect
> and download new files from any of the supported filesystems.
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