replication does not involve meta data. On Fri, Mar 18, 2011 at 12:32 PM, Ryan Rawson <[email protected]> wrote:
> Is it possible to search a list of z nodes? That is what we do now with > meta > in hbase. > > I used to be a fan, but I think self hosting all important meta data is the > best approach. It makes lots of things easier, like replication, snapshots, > etc. > On Mar 17, 2011 9:27 PM, "jiangwen w" <[email protected]> wrote: > > how do you think about moving meta table to ZK, so no meta table are > needed. > > if we do so, we need enhance ZK in the following way: > > 1. let children of ZNode in order. > > > > if we do so, we can benifit: > > > > 1. no need to treat meta table as a special way. this will simplify the > code > > a lot > > 2. ZK is highly available, so we don't worry the availablility of the > meta > > data. > > 3. currently if the region server where meta table is on failed, the > whole > > cluster may pause. > > if we move meta table to ZK, there is no such problem. > > 4. meta table may be a hotspot, but in ZK reading is scalable by adding > more > > observers. > > > > > > Sincerely >
