It seems independent to the rocksdb sizes. It also took 5 minutes when there are 375Mbytes this morning...
On Wed, Mar 15, 2017 at 9:13 AM, Sachin Mittal <sjmit...@gmail.com> wrote: > rocksdb state store initialization may be taking up that time. > Whats the size of your rockksdb state directory. May be partitioning the > source topic, increasing the number of threads/instances processing the > source and reducing the time window of aggregation can help in reducing the > startup time. > > > > On Wed, Mar 15, 2017 at 6:36 PM, Tianji Li <skyah...@gmail.com> wrote: > > > Hi there, > > > > In the experiments I am doing now, if I restart the streams application, > I > > have to wait for around 5 minutes for some reason. > > > > I can see something in the Kafka logs: > > > > [2017-03-15 08:36:18,118] INFO [GroupCoordinator 0]: Preparing to > > restabilize group xxx-test25 with old generation 2 > > (kafka.coordinator.GroupCoordinator) > > [2017-03-15 08:41:08,449] INFO [GroupCoordinator 0]: Stabilized group > > xxx-test25 generation 3 (kafka.coordinator.GroupCoordinator) > > [2017-03-15 08:41:08,473] INFO [GroupCoordinator 0]: Assignment received > > from leader for group xxx-test25 for generation 3 > > (kafka.coordinator.GroupCoordinator) > > > > What is happening in these 5 minutes? How to reduce it? > > > > Thanks > > Tianji > > >
