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From Jonathan Gray <jg...@facebook.com>
Subject RE: Client`s cache invalidation
Date Sat, 02 Oct 2010 01:40:07 GMT
Yes.  RegionServers will throw a NotServingRegionException.  This, in turn, will cause the
client to grab the location from META again.

> -----Original Message-----
> From: Naresh Rapolu [mailto:nrapolu@purdue.edu]
> Sent: Friday, October 01, 2010 5:35 PM
> To: user@hbase.apache.org
> Subject: Client`s cache invalidation
> 
> Hello,
> 
> How does the client`s cache of "region-location"( .META table), get
> invalidated when a region-server splits regions ?  Does Zookeeper abort
> the client session or inform it of staleness ?  How is consistency
> ensured in the time interval between splits being registered in .META
> table and client cache being refreshed ? I`m guessing, the region-
> server
> would reject operations on rows it isn`t responsible for. Am I correct
> ?
> 
> Thanks,
> Naresh.

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