Sorry 10 billion a day so that is 7 Trillion records. So many issues around 1000 Trillion
On Wed, Aug 19, 2015 at 2:28 PM, Ted Malaska <ted.mala...@cloudera.com> wrote: > I've been doing HBase for a long time and never had an issue with region > count limits and I have clusters with 10s of billions of records. Many > there would be issues around a couple Trillion records, but never got that > high yet. > > Ted Malaska > > On Wed, Aug 19, 2015 at 2:24 PM, Josh Elser <josh.el...@gmail.com> wrote: > >> Oh, one other thing that I should mention (was prompted off-list). >> >> (definition time since cross-list now: HBase regions == Accumulo tablets) >> >> Accumulo will handle many more regions than HBase does now due to a >> splittable metadata table. While I was told this was a very long and >> arduous journey to implement correctly (WRT splitting, merges and bulk >> loading), users with "too many regions" problems are extremely few and far >> between for Accumulo. >> >> I was very happy to see effort/design being put into this in HBase. And, >> just to be fair in criticism/praises, HBase does appear to me to do >> assignments of regions much faster than Accumulo does on a small cluster >> (~5-10 nodes). Accumulo may take a few seconds to notice and reassign >> tablets. I have yet to notice this with HBase (which also could be due to >> lack of personal testing). >> >> >> Jerry He wrote: >> >>> Hi, folks >>> >>> We have people that are evaluating HBase vs Accumulo. >>> Security is an important factor. >>> >>> But I think after the Cell security was added in HBase, there is no more >>> real gap compared to Accumulo. >>> >>> I know we have both HBase and Accumulo experts on this list. >>> Could someone shred more light? >>> I am looking for real gap comparing HBase to Accumulo if there is any so >>> that I can be prepared to address them. This is not limited to the >>> security >>> area. >>> >>> There are differences in some features and implementations. But they >>> don't >>> see like real 'gaps'. >>> >>> Any comments and feedbacks are welcome. >>> >>> Thanks, >>> >>> Jerry >>> >>> >
