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Realtime Apache Hadoop at Facebook

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HBase s<strong>at</strong>isfied our requirements<br />

▪ In early 2010, engineers <strong>at</strong> FB compared DBs<br />

▪ <strong>Apache</strong> Cassandra, <strong>Apache</strong> HBase, Sharded MySQL<br />

▪ Compared performance, scalability, and<br />

fe<strong>at</strong>ures<br />

▪ HBase gave excellent write performance, good reads<br />

▪ HBase already included many nice-to-have fe<strong>at</strong>ures<br />

▪ Atomic read-modify-write oper<strong>at</strong>ions<br />

▪ Multiple shards per server<br />

▪ Bulk importing

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