Dave Brosius created CASSANDRA-5541:
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Summary: Reduce Empty Map allocations in RowMutation
(modifications)
Key: CASSANDRA-5541
URL: https://issues.apache.org/jira/browse/CASSANDRA-5541
Project: Cassandra
Issue Type: Improvement
Components: Core
Affects Versions: 2.0
Reporter: Dave Brosius
Assignee: Dave Brosius
Priority: Trivial
Fix For: 2.0
The constructor
public RowMutation(String table, ByteBuffer key)
was generation tons of empty HashMaps that were unused, on the order of 160,000
of them in about a minute.
delay creating the map until you need it.
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