Re: Improving on MTTR of cluster [Hbase - 1.1.13]

2018-09-11 Thread sahil aggarwal
Thanks Ted. Even regarding the field hbase.assignment.usezk=true, it seems like it requires hbase:meta and hmaster to be co-hosted but http://hbase.apache.org/2.0/book.html#upgrade2.0.regions.on.master this says that "Master hosting regions" feature broken and unsupported. Is there anything else

Re: Migrating from Apache Cassandra to Hbase

2018-09-11 Thread Josh Elser
Please be patient in getting a response to questinos you post to this list as we're all volunteers. On 9/8/18 2:16 AM, onmstester onmstester wrote: Hi, Currently I'm using Apache Cassandra as backend for my restfull application. Having a cluster of 30 nodes (each having 12 cores, 64gb ram and 6

Speakers needed for Apache DC Roadshow

2018-09-11 Thread Rich Bowen
We need your help to make the Apache Washington DC Roadshow on Dec 4th a success. What do we need most? Speakers! We're bringing a unique DC flavor to this event by mixing Open Source Software with talks about Apache projects as well as OSS CyberSecurity, OSS in Government and and OSS Career

Re: Migrating from Apache Cassandra to Hbase

2018-09-11 Thread Allan Yang
You can use Phoenix + HBase and use index in Phoenix. But since you need 8 different kind of query, you may need to create 8 different indices and thus 8 index tables. But unlike Cassandra, you do not have to store all the column data in all tables redundantly. On the other hand, you can use non-co

Re: Migrating from Apache Cassandra to Hbase

2018-09-11 Thread onmstester onmstester
Thank you Josh and Allan, Sorry for the rush, this question was in my mind for some months! but i thought i should be familiar good enough with one side of "vs". I've been struggling with Cassandra since and almost forgot that there was a "vs" in my mind! One main feature of Cassandra is that by