J-D, thanks for the tip.
On Tue, Aug 27, 2013 at 11:40 AM, Jean-Daniel Cryans <[email protected]>wrote: > Region servers replicate data written to them, so look at how your regions > are distributed. > > J-D > > > On Tue, Aug 27, 2013 at 11:29 AM, Demai Ni <[email protected]> wrote: > > > hi, guys, > > > > I am using hbase 0.94.9. And setup replication from a 4-nodes master(3 > > regserver) to a 3-nodes slave(2 regserver). > > > > I can tell that all source regservers can successfully replicate data. > > However, it seems for each particular table, only one regserver will > handle > > its replication at each given table. > > > > For example, I am using YCSB to load 1,000,000 rows with workloada, with > 16 > > threads. During the load period, I looked at the ageOfLastShippedOp and > > sizeOfLogQueue. I can tell one of the regserver from Master is doing the > > replication. While values of both age and sizeOfLog are growing, another > > two regserver doesn't come into help. > > > > So does that mean: for each table and process, only one regionserver will > > do the replication regardless how long the queue is? Or did I miss some > > setup configuration? > > > > Thanks. > > > > Demai > > >
