Thanks Patrick, The fact that it is still in the alpha stage and twitter is not yet using it, makes me look to other solutions as well, which have a large community/users base & are more mature.
I do not know much about the snowflake if it is being used in production by anyone .. On Fri, Feb 25, 2011 at 11:21 PM, Patrick Hunt <[email protected]> wrote: > Have you looked at snowflake? > > http://engineering.twitter.com/2010/06/announcing-snowflake.html > > Patrick > > On Fri, Feb 25, 2011 at 9:43 AM, Ted Dunning <[email protected]> wrote: >> If your id's don't need to be exactly sequential or if the generation rate >> is less than a few thousand per second, ZK is a fine choice. >> >> To get very high generation rates, what is typically done is to allocate >> blocks of id's using ZK and then allocate out of the block locally. This >> can cause you to wind up with a slightly swiss-cheesed id space and it means >> that the ordering of id's only approximates the time ordering of when the >> id's were assigned. Neither of these is typically a problem. >> >> On Fri, Feb 25, 2011 at 1:50 AM, Ertio Lew <[email protected]> wrote: >> >>> Hi all, >>> >>> I am involved in a project where we're building a social application >>> using Cassandra DB and Java. I am looking for a solution to generate >>> unique sequential IDs for the content on the application. I have been >>> suggested by some people to have a look to Zookeeper for this. I >>> would highly appreciate if anyone can suggest if zookeeper is suitable >>> for this purpose and any good resources to gain information about >>> zookeeper. >>> >>> Since the application is based on a eventually consistent distributed >>> platform using Cassandra, we have felt a need to look over to other >>> solutions instead of building our own using our DB. >>> >>> Any kind of comments, suggestions are highly welcomed! :) >>> >>> Regards >>> Ertio Lew. >>> >> >
