Todd, Thanks for the reply. I looked at HDFS-941 which seems to remove the redundant creation of BlockReaders. That and HDFS-347 will solve some of the issues, however I think there's also the sendmsg() of the file descriptor that also needs to be implemented?
Jason On Tue, Mar 1, 2011 at 5:58 PM, Todd Lipcon <t...@cloudera.com> wrote: > Hi Jason, > > Yes, this method is currently very inefficient.. HDFS-941 will > hopefully improve this situation, but currently there's no > particularly efficient way to do multithreaded random access. > > -Todd > > On Tue, Mar 1, 2011 at 4:24 PM, Jason Rutherglen > <jason.rutherg...@gmail.com> wrote: >> It's unsynchronized however it's creating a new BlockReader on each >> call, that seems like a problem? >> > > > > -- > Todd Lipcon > Software Engineer, Cloudera >