Dezhi Cai created FLINK-14962:
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Summary: FindBugs warnings: Inefficient use of keySet iterator
instead of entrySet iterator
Key: FLINK-14962
URL: https://issues.apache.org/jira/browse/FLINK-14962
Project: Flink
Issue Type: Bug
Components: Connectors / Common
Affects Versions: 1.9.1, 1.9.0, 1.8.0
Reporter: Dezhi Cai
FindBugs report WMI_WRONG_MAP_ITERATOR warnings on master.
related class :
org.apache.flink.formats.parquet.ParquetMapInputFormat
org.apache.flink.graph.library.CommunityDetection
org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink (already
marked as "Deprecated")
The description of the bug is as follows:
*WMI: Inefficient use of keySet iterator instead of entrySet iterator
(WMI_WRONG_MAP_ITERATOR)*
This method accesses the value of a Map entry, using a key that was retrieved
from a keySet iterator. It is more efficient to use an iterator on the entrySet
of the map, to avoid the Map.get(key) lookup.
[http://findbugs.sourceforge.net/bugDescriptions.html#WMI_WRONG_MAP_ITERATOR]
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