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The following page has been changed by JeanDanielCryans: http://wiki.apache.org/hadoop/Hbase/DataModel ------------------------------------------------------------------------------ * Timestamps * Max number: the maximum number of different versions a value has. * Time to live: versions older than specified time will be garbage collected. + * Block Cache : caches blocks fetched from HDFS in a LRU-style queue. Improves random read performances and is a nice feature while waiting for full in-memory storage. Still not implemented * In memory: all values of that family will be kept in memory. @@ -77, +78 @@ [[Anchor(relational)]] == The Source ERD == - http://www.hadoop.ca/img/db_blog.jpg + http://people.apache.org/~jdcryans/db_blog.jpg [[Anchor(hbaseschema)]] == The HBase Target Schema ==
