Thanks Ted! On Wed, Jan 18, 2017 at 9:11 AM, Ted Yu <[email protected]> wrote:
> Currently ExportSnapshot utility doesn't support incremental export. > Here is the help message for overwrite: > > static final Option OVERWRITE = new Option(null, "overwrite", false, > > "Rewrite the snapshot manifest if already exists."); > > Managing dependencies across snapshots may not be trivial (considering > region split / merge in between snapshots). > > If you are interested, you can watch HBASE-14123 where incremental backup / > restore has solved this problem. > > Cheers > > On Wed, Jan 18, 2017 at 9:04 AM, Neelesh <[email protected]> wrote: > > > Hi, > > Does the ExportSnapshot utility incrementally export HFiles ? From the > > code, it looks like I can specify an overwrite flag to delete and > recreate > > the output dir, but there is no control on individual HFiles. This is on > > HBase 1.1.2. > > > > I was wondering how difficult would it be to extend ExportSnapshot to > > optionally skip copying HFiles if it already exists, given that HFiles in > > the context of snapshots are immutable. > > > > > > Thanks! > > -neelesh > > >
