Stephan Ewen created FLINK-19218:
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Summary: Remove inconsistent host logic for LocalFileSystem
Key: FLINK-19218
URL: https://issues.apache.org/jira/browse/FLINK-19218
Project: Flink
Issue Type: Bug
Components: API / Core
Affects Versions: 1.11.1
Reporter: Stephan Ewen
Assignee: Stephan Ewen
Fix For: 1.12.0
The {{LocalFileSystem}} returns file splits with a host information as returned
via
{code}
InetAddress.getLocalHost().getHostName();
{code}
This might be different, though, from the host name that the TaskManager is
configured to use, which results in incorrect location matching if this
information is used.
It is also incorrect in cases where the file system is in fact not local, but a
mounted NAS.
Since this information is anyways not useful (there no good way to support
locality-aware file access for the LocalFileSystem) I would suggest to remove
this code. That would be better than having code in place that tries to suggest
locality information that is frequently incorrect.
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