Chutium, thanks for your advices. I will check out your links. I sent the email to the wrong email address! Sorry for the spam.
Wei On Tue, Aug 19, 2014 at 4:49 PM, chutium <teng....@gmail.com> wrote: > ö_ö you should send this message to hbase user list, not spark user > list... > > but i can give you some personal advice about this, keep column families as > few as possible! > > at least, use some prefix of column qualifier could also be an idea. but > read performance may be worse for your use case like "search for a row with > value x in column family A and with value Y in column family B". > > so it depends on which workload is important for you, if your use case is > very read-heavy and you really want to use multi column families to hold a > good read performance, you should try to disable region split, adjust > compaction interval carefully, and so on. > > there is a good slide for this: > > http://photo.weibo.com/1431095941/wbphotos/large/mid/3735178188435939/pid/554cca85gw1eiloddlqa5j20or0ik77z > > more slides about hbase + coprocessor, hbase + hive and hbase + spark: > http://www.weibo.com/1431095941/BeL90zozx > > > > > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/Multiple-column-families-vs-Multiple-tables-tp12425p12439.html > Sent from the Apache Spark User List mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > >
