HBASE SCHEMA DESIGN - ApacheCon
HBASE SCHEMA DESIGN - ApacheCon
HBASE SCHEMA DESIGN - ApacheCon
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Write-Ahead Log<br />
• Currently only one per region server<br />
• Shared across all stores (i.e. column families)<br />
• Synchronized on file append calls<br />
• Work being done on mitigating this<br />
• WAL Compression<br />
• Multiple WAL’s per region server ➜ Start more than<br />
one region server per node?