1. client requests are timed out. also http://monitor/tables shows number of offline tablets for each table. 2. few minutes (up to 10) 3. about 6000 4. yes 5. I do not remember the problem with accumulo 1.4.
On 1/10/15, Christopher <[email protected]> wrote: > Adding a new tserver creates an imbalanced situation, where tablets are not > spread evenly across tablet servers. The tablet balancer in the master > server occasionally rebalances tablets. During the short period of time > those tablets are migrating, they will be temporarily offline. That should > have always been the case and would be perfectly normal. > > I'm curious: > 1) how did you detect these were offline? > 2) how long were they offline? > 3) how many tablets do you have per server? > 4) are you using the default balancers? > 5) in what sense do you mean "regression"? are you thinking this is linked > to a previous bug/issue? > > > > -- > Christopher L Tubbs II > http://gravatar.com/ctubbsii > > On Sat, Jan 10, 2015 at 10:31 AM, Denis <[email protected]> wrote: > >> Hi >> >> I recently upgraded my Accumulo cluster from 1.4 to 1.6 and noticed a >> regression. >> >> Removing a tserver makes puts some tablets offline for a while until >> other tservers start handling them, that's normal. >> >> But with 1.6 the same happens on adding a tserver as well. >> Is it ok? >> >
