Thanks Jing, The Jira is open since Nov 12 but seems a design doc was added just few days back ...
Would you have any ETA on this ? Thanks again ! Manoj On Mon, Apr 14, 2014 at 2:47 PM, Jing Zhao <[email protected]> wrote: > Hi Manoj, > > You're right, right now we do not have a complete snapshot > rollback/restore functionality in HDFS. Thus users have to manually > copy/delete files according to the snapshot diff report. There's an open > jira HDFS-4167 for it. We plan to provide this support soon. > > Thanks, > -Jing > > > On Mon, Apr 14, 2014 at 2:14 PM, Manoj Samel <[email protected]>wrote: > >> Hi, >> >> It seems the only restore from a HDFS snapshot using hdfs command line is >> copy snapshot files to a target path. >> >> If the use cases are >> >> >> 0. .... stuff ... >> >> 1. Take snapshot s_N >> >> 2. Add some files, delete other files >> >> 3. Take snapshot s_N+1 >> >> >> then copying s_N+1 to target just copies the newly added file to target, >> it does not propagates the deletes between s_N and s_N+1. >> >> How does one apply the full delta between s_N and s_N+1 to target (and >> not just additions) ? Is Using Java API the only option or is it possible >> to use command line to do it ? >> >> Thanks, >> > > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity > to which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You.
