HBASE SCHEMA DESIGN - ApacheCon
HBASE SCHEMA DESIGN - ApacheCon
HBASE SCHEMA DESIGN - ApacheCon
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Pre-materialize Everything<br />
• Achieve one read per customer request if<br />
possible<br />
• Otherwise keep at lowest number<br />
• Reads between 10ms (cache miss) and 1ms<br />
(cache hit)<br />
• Use MapReduce to compute exacts in batch<br />
• Store and merge updates live<br />
• Use incrementColumnValue<br />
Motto: “Design for Reads”