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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?

Thanks.

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