HDFS does not have such a client-side feature, but your applications can use Apache Zookeeper to coordinate and implement this on their own - it can be used to achieve distributed locking. While at ZooKeeper, also checkout https://github.com/Netflix/curator which makes using it for common needs very easy.
On Fri, Feb 22, 2013 at 5:17 AM, abhishek <abhishek.dod...@gmail.com> wrote: > >> Hello, > >> How can I impose read lock, for a file in HDFS >> >> So that only one user (or) one application , can access file in hdfs at any >> point of time. >> >> Regards >> Abhi > > -- > > > -- Harsh J
