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From Tao Xie <xietao.mail...@gmail.com>
Subject Will all HFiles managed by a regionserver kept open
Date Thu, 13 Jan 2011 03:51:16 GMT
hi, I know generally regionserver manages HRegions and in the HDFS layer
data in HRegion are stored as HFile format. I want to know whether HFiles
are all open and things lke block index are all loaded first to improve
lookup performance? If so, what will happen if exceeding memory limit?


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