Hbase can do range scans, and one can attack many problems with range scans. Cassandra can't do range scans.
Hbase has a master. Cassandra does not. Those are the two main differences. On Monday, June 1, 2015, Andrew Purtell <[email protected]> wrote: > HBase can very well be a standalone database, but we are debating > semantics not technology I suspect. HBase uses some Hadoop ecosystem > technologies but is absolutely a first class data store. I need to look no > further than my employer for an example of a rather large production deploy > of HBase* as a (internal) service, a high scale data storage platform. > > * - Strictly speaking HBase accessed with Apache Phoenix's JDBC driver. > > > > On Jun 2, 2015, at 10:32 AM, Michael Segel <[email protected] > <javascript:;>> wrote: > > > > The point is that HBase is part of the Hadoop ecosystem. Not a stand > alone database like Cassandra. > > > > This is one thing that gets lost when people want to compare NoSQL > databases / data stores. > > > > As to Big Data without Hadoop? Well, there’s spark on mesos … :-P > > And there are other Big Data systems out there but are not as well known. > > Lexus/Nexus had their proprietary system that they’ve been trying to > sell … > > > > > >> On Jun 1, 2015, at 5:29 PM, Vladimir Rodionov <[email protected] > <javascript:;>> wrote: > >> > >>>> The key issue is that unless you need or want to use Hadoop, you > >> shouldn’t be using HBase. Its not a stand alone product or system. > >> > >> Hello, what is use case of a big data application w/o Hadoop? > >> > >> -Vlad > >> > >> On Mon, Jun 1, 2015 at 2:26 PM, Michael Segel < > [email protected] <javascript:;>> > >> wrote: > >> > >>> Saying Ambari rules is like saying that you like to drink MD 20/20 and > >>> calling it a fine wine. > >>> > >>> Sorry to all the Hortonworks guys but Amabari has a long way to go…. > very > >>> immature. > >>> > >>> What that has to do with Cassandra vs HBase? I haven’t a clue. > >>> > >>> The key issue is that unless you need or want to use Hadoop, you > shouldn’t > >>> be using HBase. Its not a stand alone product or system. > >>> > >>> > >>> > >>> > >>>> On May 30, 2015, at 7:40 AM, Serega Sheypak <[email protected] > <javascript:;>> > >>> wrote: > >>>> > >>>> 1. No killer features comparing to hbase > >>>> 2.terrible!!! Ambari/cloudera manager rulezzz. Netflix has its own > tool > >>> for > >>>> Cassandra but it doesn't support vnodes. > >>>> 3. Rumors say it fast when it works;) the reason- it can silently drop > >>> data > >>>> you try to write. > >>>> 4. Timeseries is a nightmare. The easiest approach is just replicate > data > >>>> to hdfs, partition it by hour/day and run > spark/scalding/pig/hive/Impala > >>>> > >>>> пятница, 29 мая 2015 г. пользователь Ajay написал: > >>>> > >>>>> Hi, > >>>>> > >>>>> I need some info on Hbase vs Cassandra as a data store (in general > plus > >>>>> specific to time series data). > >>>>> > >>>>> The comparison in the following helps: > >>>>> 1: features > >>>>> 2: deployment and monitoring > >>>>> 3: performance > >>>>> 4: anything else > >>>>> > >>>>> Thanks > >>>>> Ajay > >>>>> > >>> > >>> > > > -- Russell Jurney twitter.com/rjurney [email protected] datasyndrome.com
