Re: Offline tables on adding a tserver (Accumulo 1.6 regression?)

2015-01-10 Thread Josh Elser
Denis, could you please open an issue on JIRA with any specifics that you have? That would help us make sure that it doesn't get lost (especially since we were considering releasing a 1.6.2 soon). Thanks for asking, too. Christopher wrote: Minutes at a time is a lot of time. I think Eric Newt

Re: Offline tables on adding a tserver (Accumulo 1.6 regression?)

2015-01-10 Thread Christopher
Minutes at a time is a lot of time. I think Eric Newton was looking at some performance issues with assignments. This could be related to that. -- Christopher L Tubbs II http://gravatar.com/ctubbsii On Sat, Jan 10, 2015 at 4:42 PM, Denis wrote: > 1. client requests are timed out. also http://m

Re: Offline tables on adding a tserver (Accumulo 1.6 regression?)

2015-01-10 Thread Denis
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 wrote: > Adding a new tserver creates an imbalanced situation, wh

Re: Offline tables on adding a tserver (Accumulo 1.6 regression?)

2015-01-10 Thread Christopher
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

Offline tables on adding a tserver (Accumulo 1.6 regression?)

2015-01-10 Thread Denis
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?