Geoffrey Jacoby created PHOENIX-3611:
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Summary: ConnectionQueryService cache should expire LRU entries
Key: PHOENIX-3611
URL: https://issues.apache.org/jira/browse/PHOENIX-3611
Project: Phoenix
Issue Type: Improvement
Affects Versions: 4.8.0, 4.9.0
Reporter: Geoffrey Jacoby
Assignee: Geoffrey Jacoby
Currently the cache of ConnectionInfo/ConnectionQueryServicesImpl can hold its
entries forever. This can potentially lead to orphan cache entries, and since
each ConnectionQueryServicesImpl object has an HConnection, it can also lead to
leaked connections.
Due to the way that ConnectionInfo hashing works (see PHOENIX-3126 and
PHOENIX-3607), this is particularly likely on a secure cluster.
The cache should be changed into an LRU-style cache with a fixed size and
gradual expiration.
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