So, your answer is 1. in my list? I don’t think so since the column family information is not necessary. Could you please refer a more direct information?
-----Original Message----- From: Ted Yu [mailto:[email protected]] Sent: Tuesday, August 05, 2014 12:01 PM To: [email protected] Subject: Re: What is in a HBase block index entry? Please see: http://hbase.apache.org/book.html#keyvalue On Mon, Aug 4, 2014 at 7:55 PM, innowireless TaeYun Kim < [email protected]> wrote: > Thank you for your reply. > > It only says 'Key'. > That's what I'm confused. > > > -----Original Message----- > From: Ted Yu [mailto:[email protected]] > Sent: Tuesday, August 05, 2014 11:45 AM > To: [email protected] > Subject: Re: What is in a HBase block index entry? > > Have you read this ? > http://hbase.apache.org/book.html#d3593e20175 > > Cheers > > > On Mon, Aug 4, 2014 at 7:24 PM, innowireless TaeYun Kim < > [email protected]> wrote: > > > Hi, > > > > This is a newbie question. > > > > > > > > What is in a HBase block index entry? > > > > > > > > My guess is that it's one of these: > > > > > > > > 1. all key components: rowkey + column family + column qualifier + > > timestamp > > > > 2. all key components except for column family (since the index is > in > > a > > HFile that is a part of the storage for a column family): rowkey + > > column qualifier + timestamp > > > > 3. rowkey only > > > > > > > > I've tried to find the information, But the articles only say that > > it contains a 'key'. For me as a newbie, it is confusing since in a > > KeyValue the all key components comprise the 'key', while a rowkey > > is > also a 'key'. > > > > > > > > Thanks. > > > > > > > > > >
