BELUGA BEHR created HDFS-13970:
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Summary: CacheManager Directives Map
Key: HDFS-13970
URL: https://issues.apache.org/jira/browse/HDFS-13970
Project: Hadoop HDFS
Issue Type: Improvement
Components: caching, hdfs
Affects Versions: 3.2.0
Reporter: BELUGA BEHR
Attachments: HDFS-13970.1.patch
# Use Guava Multimap to simplify code
## Currently, code uses a mix of LinkedList and ArrayList - just pick one
## Currently, {{directivesByPath}} structure is sorted but never used in a
sorted way, it only performs remove and add operations, no iteration - use a
{{Set}} instead of a {{List}}
# The {{CacheDirective}} class needs a better hashcode implementation since it
will be used in a Set. Do not instantiate a {{HashBuilder}} object every time
{{hashcode}} is called. Ouch.
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