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" <wjiang...@gmail.com> 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
