how about using HBase ?? whether it can use HBase directly? 2015-12-04 2:37 GMT+07:00 Thomas D'Silva <tdsi...@salesforce.com>:
> If you checkout the latest 4.x or master branch (depending on which > HBase version you use), you can test using transactions in Phoenix. > Tephra is used for transaction support and is used to perform conflict > detection. > > To start the Tephra transaction manager you have to set set the > following config in hbase-site.xml on your server > <property> > <name>data.tx.snapshot.dir</name> > <value>DIR_NAME</value> > </property> > > and $HBASE_HOME needs to be set before running ./bin/tephra start > > To create a transactional table you can use the TRANSACTIONAL attribute > for eg: > CREATE TABLE MY_TABLE (k INTEGER PRIMARY KEY, v VARCHAR) > TRANSACTIONAL=true; > > If you upsert a batch of rows and call commit all or none of the rows > will be committed. A transaction is started implicitly when you > execute a statement over a transactional table. If two clients modify > the same row at the same time an exception will be thrown. Within a > transaction you are also able to see (query) uncommitted data. > You can see more examples of how to use transactions in TransactionIT.java > > Transaction support will be in the next version of Phoenix (4.7.0) > which will be released soon. > > Thanks, > Thomas > > On Thu, Dec 3, 2015 at 11:00 AM, Thomas D'Silva <tdsi...@salesforce.com> > wrote: > > Phoenix is working on supporting transactions using tephra (see > > PHOENIX-1674). If you want to use HBase directly with tephra, the > > tephra website has a getting started guide with an example (see > > https://github.com/caskdata/tephra). > > > > -Thomas > > > > On Thu, Dec 3, 2015 at 1:02 AM, Hardika Catur Sapta > > <hardikacatursa...@gmail.com> wrote: > >> Hay guys, > >> We plan to integrate with Apache HBase apache tephra, which we know it > uses > >> apache phoenix. > >> > >> How do the operation Tephra? whether using apache phoenix ?? and how to > run > >> it. > >> > >> Thank you, > >> -Hardika C. S. >
