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https://issues.apache.org/jira/browse/HADOOP-15547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Marquardt updated HADOOP-15547:
--------------------------------------
Attachment: HADOOP-15547-branch-2-001.patch
Status: Patch Available (was: Reopened)
Attaching HADOOP-15547-branch-2-001.patch. All tests pass against my US
endpoint:
mvn -T 1C -Dparallel-tests -Dscale -DtestsThreadCount=16 clean verify
Tests run: 232, Failures: 0, Errors: 0, Skipped: 4
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
Tests run: 416, Failures: 0, Errors: 0, Skipped: 2
Tests run: 126, Failures: 0, Errors: 0, Skipped: 10
> WASB: improve listStatus performance
> ------------------------------------
>
> Key: HADOOP-15547
> URL: https://issues.apache.org/jira/browse/HADOOP-15547
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/azure
> Affects Versions: 3.0.2, 2.9.1
> Reporter: Thomas Marquardt
> Assignee: Thomas Marquardt
> Priority: Major
> Fix For: 3.1.1
>
> Attachments: HADOOP-15547-004.patch, HADOOP-15547-004.patch,
> HADOOP-15547-branch-2-001.patch, HADOOP-15547.001.patch,
> HADOOP-15547.002.patch, HADOOP-15547.003.patch
>
>
> The WASB implementation of Filesystem.listStatus is very slow due to O(n!)
> algorithm to remove duplicates and uses too much memory due to the extra
> conversion from BlobListItem to FileMetadata to FileStatus. It takes over 30
> minutes to list 700,000 files.
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