James Taylor created PHOENIX-1958:
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Summary: Minimize memory allocation on new connection
Key: PHOENIX-1958
URL: https://issues.apache.org/jira/browse/PHOENIX-1958
Project: Phoenix
Issue Type: Bug
Reporter: James Taylor
There's a significant amount of memory allocated when a new connection is
established solely to create the ReadOnlyProps. Need to figure out a way to
minimize this. It looks like the majority of memory allocations occur in this
org.apache.phoenix.util.ReadOnlyProps constructor:
https://github.com/apache/phoenix/blob/master/phoenix-core/src/main/java/org/apache/phoenix/util/ReadOnlyProps.java#L61
Another notable memory allocator is this java.util.HashMap.putAll call:
https://github.com/apache/phoenix/blob/master/phoenix-core/src/main/java/org/apache/phoenix/jdbc/PhoenixConnection.java#L192
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