[CASSANDRA-5541] Reduce Empty Map allocations in RowMutation (modifications)

• Type: Improvement
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 2.0 beta 1
• Assignee: Jonathan Ellis
• Reporter: David Brosius

Authors

Jonathan Ellis

Reviewers

David Brosius

• Created: 06/May/13 19:20
• Updated: 16/Apr/19 09:32
• Resolved: 13/May/13 18:33

Description

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.