Thanks Yi, I am using compound rowkeys in other column families which use this Id (UUID in this case). What I am looking for is unique Ids as a base point and I am hoping UUID is the best way to go.
regards, Ramesh On Thu, Sep 29, 2011 at 4:28 PM, Yi Yang <i...@iyyang.com> wrote: > ** I don't know if I understand correctly that UUIDs are good unless you > have a specific reading pattern. In the latter case you can develop a better > compound row key. > > Yi > > 從我的 BlackBerry(R) 無線裝置 > ------------------------------ > *From: * Ramesh S <investt...@gmail.com> > *Date: *Thu, 29 Sep 2011 16:26:05 -0500 > *To: *<user@cassandra.apache.org> > *ReplyTo: * user@cassandra.apache.org > *Subject: *Re: Is LexicalUUID a good option for generating Ids > > Thanks Aaron. > Appreciate your valuable input/advice. > > regards, > Ramesh > > On Thu, Sep 29, 2011 at 4:21 PM, aaron morton <aa...@thelastpickle.com>wrote: > >> UUID will be fine, LexicalUUID should be used for version 2,3,4 and 5 >> UUID's. TimeUUID for version 1. >> >> A >> >> ----------------- >> Aaron Morton >> Freelance Cassandra Developer >> @aaronmorton >> http://www.thelastpickle.com >> >> On 30/09/2011, at 5:48 AM, Ramesh S wrote: >> >> > We have to assign Id for each item in our database. Item is linked to >> geo location and hence would need hundreds of millions of Ids. >> > So is LexicalUUID a good option ? >> > >> > regards, >> > Ramesh >> >> >
