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7/29/2019 Data Coordinates in hbase
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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