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Data coordinates

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Data models

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Physical model: column family

oriented

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HBase write path

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HBase write path(cont..)

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HBase read path

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general rule, if you want fast access to data,

keep it ordered and keep as much of it as

possible in memory

HBase has an LRU cache for reads.

This cache, also called the BlockCache, sits in

the JVM heap alongside the MemStore

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Compactions: HBase housekeeping

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Hbase Table Conceptual View

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Hbase Table Physical View