Vidhyashankar did encounter socket timeout. I think even with HBASE-4010 implemented, 70k region table creation would still produce socket timeout.
On Mon, Jun 20, 2011 at 3:30 PM, Jean-Daniel Cryans <[email protected]>wrote: > Could be a socket timeout, was able to get one with just 200 regions, > then calling isTableAvailable would trigger the case that was > described. > > J-D > > On Mon, Jun 20, 2011 at 3:28 PM, Ted Yu <[email protected]> wrote: > > J-D: > > What's your assessment of why isTableAvailable() was inaccurate for a > table > > with 70k regions ? > > > > Thanks > > > > On Mon, Jun 20, 2011 at 3:01 PM, Jean-Daniel Cryans <[email protected] > >wrote: > > > >> That's not how it works, whether the createTable call is sync or not > >> the regions are first created in .META. before the call can return. > >> > >> And looking at that code, it seems it's highly inefficient. We should > >> not change the enable flag for every region, we should batch put all > >> the .META. rows and we should not open a new HLog per new region. > >> > >> J-D > >> > >> On Mon, Jun 20, 2011 at 2:55 PM, Ted Yu <[email protected]> wrote: > >> > From Vidhyashankar @ 20/May/11 05:53: > >> > Hence there might be a case when all regions are indeed fully assigned > in > >> > META but it is just that the master is yet to populate META with the > rest > >> of > >> > the regions. > >> > > >> > The above means scanning .META. alone wouldn't guarantee that all the > >> > regions of the table are assigned. > >> > > >> > > >
