On Thu, Jul 8, 2010 at 1:19 PM, Benjamin Black <b...@b3k.us> wrote: > On Thu, Jul 8, 2010 at 9:02 AM, ChingShen <chingshenc...@gmail.com> wrote: >> Hmm.. as you mentioned that it will write a hint and report success at >> CL.ANY, does the hinted handoff only work at CL.ANY? >> > > Still no. Hints are written when nodes are down, regardless of CL, > unless HH is disabled. CL does not influence whether hints are > written, it influences whether success is reported to the client. For > CL.ANY a hint is a success, for CL.ONE it is a failure.
If the coordinator knows it can't achieve the requested CL it won't do any writes, hinted or otherwise, and will immediately report UnavailableException to the client. -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
