On the fileoutputstream you can get the filedescriptor using getFD() and then on that object you can sync()
/* Joe Stein http://www.medialets.com Twitter: @allthingshadoop */ On Nov 5, 2011, at 4:34 PM, Jay Kreps <jay.kr...@gmail.com> wrote: > Does anyone know if there is an equivalent to the sync() system call > available in Java? This is the system call that flushes all files. This > seems like it might be a good optimization for the time-based log flush. If > you are going to sequentially flush all the log partitions anyway it might > be better to just do a single sync() and let the I/O scheduler have more > leeway in the ordering of he writes. I know who to get the equivalent of > fsync() or fdatasync() using FileChannel.force(...) to flush a single file > but I don't know how to get the equivalent of sync(). > > -Jay
