[STORM-2764] HDFSBlobStore leaks file system objects

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.0, 2.0.0
• Fix Version/s: 2.0.0, 1.2.0, 1.1.2, 1.0.6
• Component/s: storm-hdfs
• Labels: pull-request-available
• Assignee: Robert Joseph Evans
• Reporter: Robert Joseph Evans
• Created: 28/Sep/17 14:20
• Updated: 02/Oct/17 06:02
• Resolved: 02/Oct/17 06:02

Description

This impacts all of the releases. Each time we create a new HDFSBlobStore instance we call

https://github.com/apache/storm/blob/v1.0.0/external/storm-hdfs/src/main/java/org/apache/storm/hdfs/blobstore/HdfsBlobStore.java#L140

loginUserFromKeytab.

This results in a new subject being created each time when ends up causing a FileSystem object to leak each time.

Issue Links

• links to: GitHub Pull Request #2350
• links to: GitHub Pull Request #2352