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From GitBox <...@apache.org>
Subject [GitHub] [incubator-doris] chxfantasy commented on issue #4767: can raid raise the disk io?
Date Tue, 20 Oct 2020 09:02:49 GMT

chxfantasy commented on issue #4767:
URL: https://github.com/apache/incubator-doris/issues/4767#issuecomment-712705076


   > We still recommend using the bare disk method. Because Doris itself already has multiple
copies, using Raid will cause unnecessary storage waste. In addition, the raid itself will
also depend on specific hardware conditions
   
   does BE write data to multi disks serialized or in turn? 
   if so,  i think raid can raise the disk io?
   


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