Its as though we should do all the mods in a tmp dir and then if all go through, only then do fs.rename moving the new schema into place.
St.Ack On Fri, Sep 9, 2011 at 7:25 PM, Ted Yu <[email protected]> wrote: > I ran unit tests for HBASE-4358 patch 3 and they passed. > > The only issue remaining is in TableMultiFamilyHandler.java > @Override > protected void updateTableDescriptor(HTableDescriptor desc) > throws IOException { > // just ask all of the sub-operations to update the descriptor > for (TableFamilyHandler op : operations) { > op.updateTableDescriptor(desc); > } > } > where we don't have ACID guarantee that either all modifications go through > or none of the modifications go through. > > If the above is Okay, I can add javadoc for the above at time of commit. > > If anyone thinks this is not good, please comment on ways of supporting ACID > guarantee. > > Thanks >
