Comments inline below: > -----Original Message----- > From: Naama Kraus [mailto:[EMAIL PROTECTED] > Sent: Monday, September 08, 2008 1:00 AM > To: hadoop-core; [EMAIL PROTECTED] > Subject: Re: HBase, Hive, Pig and other Hadoop based technologies > > Both Pig and Hive are written on top of Hadoop, is that correct ?
Yes. > Does this mean for instance that they would work with any implementation > of the Hadoop File System interface ? Whether it is HDFS, KFS, LocalFS, > or any future implementation that may be implemented ? Yes. > Is that true for HBase as well ? Yes. > I am assuming Pig and Hive use the Hadoop standard M/R framework and API, is > that right ? Yes. > Thanks, Naama > > On Wed, Sep 3, 2008 at 3:04 PM, Naama Kraus <[EMAIL PROTECTED]> wrote: > > > Hi, > > > > There are various technologies on top of Hadoop such as HBase, Hive, Pig > > and more. I was wondering what are the differences between them. What are > > the usage scenarios that fit each one of them. > > > > For instance, is it true to say that Pig and Hive belong to the same family > > ? Or is Hive more close to HBase ? > > My understanding is that HBase allows direct lookup and low latency > > queries, while Pig and Hive provide batch processing operations which are > > M/R based. Both define a data model and an SQL-like query language. Is this > > true ? > > > > Could anyone shed light on when to use each technology ? Main differences ? > > Pros and Cons ? > > Information on other technologies such as Jaql is also welcome. > > > > Thanks, Naama > > > > -- > > oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo > > 00 oo 00 oo > > "If you want your children to be intelligent, read them fairy tales. If you > > want them to be more intelligent, read them more fairy tales." (Albert > > Einstein) > > > > > > -- > oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo > 00 oo 00 oo > "If you want your children to be intelligent, read them fairy tales. If you > want them to be more intelligent, read them more fairy tales." (Albert > Einstein)
