2012/2/26 郎咸武 <[email protected]>: > Hi Mark,firsrt thanks > If i usring file.erl r/w that big file, to store disk with zfs (Dynamic > File System). > How about this.
Hmm. To be honest, I'm not sure if that would work, though I'm inclined to say no. Mark > thank you > > jason > > > > 在2012-02-24，"Mark Phillips" <[email protected]> 写道： > > -----原始邮件----- > 发件人:"Mark Phillips" <[email protected]> > 发送时间:2012年2月24日 星期五 > > 收件人:"郎咸武" <[email protected]> > 抄送:"[email protected]" <[email protected]> > 主题:Re: How many TB to be store in riak > > Hi Jason, > > Random reads in LevelDB won't be an issue. It's also worth noting that the > bitcask backend will do at most one disk seek per read but this comes in > exchange for keeping you key directory in RAM. I still think Level is the > way to go for you. > > The 50MB file size will probably be an issue. We don't usually recommend > anything over 20MB at this point, and even that might be problematic. > > Mark > > > > 2012/2/21 郎咸武<[email protected]> >> >> Hi mark, >> hmm you are right, I only have about 30TBs at present. >> may be individual is 50MB. >> There is a new requirement: >> Random read any file. Is it work well? >> Thanks again. >> Jason >> >> >> 在2012-02-22，"Mark Phillips" <[email protected]> 写道： >> >> -----原始邮件----- >> 发件人:"Mark Phillips" <[email protected]> >> 发送时间:2012年2月22日 星期三 >> 收件人:"郎咸武" <[email protected]> >> 抄送:"[email protected]" <[email protected]> >> 主题:Re: How many TB to be store in riak >> >> >> On second thought, let's assume you have 100TBs worth of photos. (I'm sure >> there are a few individual photos somewhere on the internet that come it at >> 100TBs but I'm betting you don't have them). >> >> Riak should work well for this. >> >> * I'm assuming you'll have a lot of keys, so the LevelDB backend is >> probably going to be best for local storage. We are also shipping LevelDB >> with Snappy compression enabled as of 1.1, so this will help with the disk >> storage requirements. >> * Try to keep your file size under 20MB if possible. >> * Keep in mind that 100TB with a default of 3 for a replication will yield >> 300TB of raw data. >> >> Feel free to fire more questions as they come to mind. >> >> Hope that helps. >> >> Mark >> >> >> >> On Tue, Feb 21, 2012 at 3:59 PM, Mark Phillips<[email protected]>wrote: >>> >>> Hi Jason, >>> >>> I just want to make sure I understand your question correctly: >>> >>> Do you have 100TBs of photos you are thinking of storing in Riak? Or one >>> photo that's 100TB? >>> >>> Mark >>> >>> 2012/2/21 郎咸武<[email protected]> >>>> >>>> >>>> Hi all, >>>> How many TB to be store in riak? >>>> Now i have about100TB picture. I want to store with riak. But i am not >>>> sure that is ok. >>>> Answer me, please. >>>> Thanks. >>>> jason >>>> >>>> >>>> >>>> _______________________________________________ >>>> riak-users mailing list >>>> [email protected] >>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>>> >>> >> >> >> > > > _______________________________________________ riak-users mailing list [email protected] http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
