Benedict Elliott Smith created CASSANDRA-17102:
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Summary: CEP-15: (C*) Unified Commit Log
Key: CASSANDRA-17102
URL: https://issues.apache.org/jira/browse/CASSANDRA-17102
Project: Cassandra
Issue Type: Sub-task
Components: Local/Commit Log
Reporter: Benedict Elliott Smith
Create a new data structure and system for combining Commit Log and Hints. This
system will support compaction of commit log segments when the commit log is
under space pressure, but under normal operation will continue to drop entire
log records as soon as they become invalidated. By ensuring compaction only
occurs for segments that are under 50% utilised we bound space and bandwidth at
2x optimal (and can tune this trade-off if we prefer, e.g. trading more space
for less bandwidth)
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