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HBaseCon 2013: Honeycomb - MySQL Backed by Apache HBase

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Presented by Dan Burkert, Near Infinity

Presented by Dan Burkert, Near Infinity

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Transcript

  • 1. 6/13/13 HBaseCon 2013
  • 2. 2 SQL
  • 3. 3 MySQL Storage Engine Optimizer Parser Local Disk
  • 4. Honeycomb open-source MySQL storage engine backed by HBase 4
  • 5. MySQL Honeycomb HBase
  • 6. Features 6 Honeycomb InnoDB Cross table joins ✓ ✓ Compound indices ✓ ✓ Unique indices ✓ ✓ Auto Increment Columns ✓ ✓ Stored procedures & views ✓ ✓ Transactions ✓ Foreign key constraints ✓ Automatic sharding ✓ Replication & failover ✓ Map/reduce integration ✓ Map/reduce bulkload ✓
  • 7. 7 Honeycomb HBase Schema
  • 8. 8 Metadata Rows Indices Honeycomb HBase Schema
  • 9. Row format 9 MySQL row[empty]6 table id UUID RowKey Qualifier Value variable length encoded unsigned integer serialized Avro data type single byte prefix
  • 10. Index Format 10 1 or more variable length encoded unsigned integer serialized Avro data type single byte prefix 7 table id index id UUIDnull indicator value MySQL row[empty] Qualifier ValueRowKey
  • 11. Data Duplication 11 duplication factor = 1 + 2i where i = number of indices
  • 12. Performance 12 Range Limit Relative Scan Performance 10 Rows 75% 100 Rows 68% 1000 Rows 51%
  • 13. 13 nearinfinity.github.io/honeycomb github.com/honeycomb