Twitter had opensourced snowflake back in 2010 https://github.com/twitter/snowflake The repo hasn't been updated in a while, but I do see a fork, which has been fairly actively developed. https://github.com/dgkim84/snowflake
On Thu, Feb 14, 2013 at 8:45 AM, Ralph Goers <[email protected]> wrote: > Only on a single machine with a single cpu. Multiple machines could still > generate the same value. Multiple threads on the same machine could generate > the same value. > > The uuid log4j 2 uses accounts for this. The Cassandra FAQ wiki page > discusses using a uuid but the project it references is unfortunately not > thread safe - at least the last I checked. > > Ralph > > On Feb 14, 2013, at 5:11 AM, Madhu Gmail <[email protected]> wrote: > >> you can use time stamp along with nano seconds which would give unique row >> key. >> >> Madhu Munagala >> (214)679-2872 >> >> On Feb 13, 2013, at 10:35 PM, Sri Ramya <[email protected]> wrote: >> >>> hi, >>> >>> How to generate a unique row key for every event in flume- ng?? >>> So that i can store data into cassandra. >>> >>> Thank you
