无意间看了下接了个图:这是一个scores表的结构,这个表有两个faminly:course,grade 下面再来看regrioninfo的信息吧:2147483647BLOCKCACHE2147483647BLOCKCACHEREGION => {
NAME => "scores,,1353524491099.c5c11a33d955ef1469708e17946c121b.", STARTKEY => "", ENDKEY => "", ENCODED => c5c11a33d955ef1469708e17946c121b,
TABLE => {{NAME => "scores", FAMILIES => [{NAME => "course", BLOOMFILTER => "NONE", REPLICATION_SCOPE => "0", VERSIONS => "3", COMPRESSION => "NONE", TTL => "2147483647", BLOCKSIZE => "65536", IN_MEMORY => "false", BLOCKCACHE => "true"},
{NAME => "grade", BLOOMFILTER => "NONE", REPLICATION_SCOPE => "0", VERSIONS => "3", COMPRESSION => "NONE", TTL => "2147483647", BLOCKSIZE => "65536", IN_MEMORY => "false", BLOCKCACHE => "true"}]}}Oracle的优化器(Optimizer) (CBO优化) 分享多维数据集的主动缓存(Proactive Caching)相关资讯 Hbase HBase regioninfo
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