On Sat, Oct 8, 2011 at 12:18 PM, Anthony Urso <[email protected]> wrote: > Is that because of the slow disk I/O? >
If you are sharing the box, your cotenant could be trashing the i/o on you. You for sure are sharing a network -- as best as I understand AWS -- and this can be oversubscribed from time to time (look back on this list for others input on hbase on ec2 for gist of what you are up for running on ec2). >> Any chance of caching working? Are the reads totally random or will >> there be 'hot' areas? If so, you might have some hope. >> > > Hopefully. Do you mean external caching like memcache or OS-level disk > caching? > I was more talking about hbase block cache; if you were reading same values over and over then this will have an effect; reading from cache you will get low latency reads. St.Ack
