Thanks Lars M.Nurettin Şimşek
On 14 Şub 2013, at 05:18, Ted Yu <[email protected]> wrote: > Jean-Marc: > You can find almost all the details you need from this JIRA: > HBASE-4218 Data Block Encoding of KeyValues (aka delta encoding / prefix > compression) > > Cheers > > On Wed, Feb 13, 2013 at 6:09 PM, Jean-Marc Spaggiari < > [email protected]> wrote: > >> Hi Lars, >> >> Can you please tell more about key prefix block encoding? Or refer to >> some blog/doc? How it works, what it is, etc.? >> >> Thanks, >> >> JM >> >> 2013/2/13, lars hofhansl <[email protected]>: >>> Depends on you search pattern. >>> If you never care about scans ordering i.e. you only do point gets to see >>> whether you've already seen an email address, do the hash part. >>> >>> I'd perfer #1 over #2, because it would let you do efficient key prefix >>> block encoding (FAST_DIFF). >>> >>> -- Lars >>> >>> >>> >>> ________________________________ >>> From: Nurettin Şimşek <[email protected]> >>> To: [email protected] >>> Sent: Wednesday, February 13, 2013 12:35 AM >>> Subject: RowKey design with hashing >>> >>> Hi All, >>> >>> In our project mail adresses are row key. Which rowkey design we should >>> choose? >>> >>> 1) com.yahoo@xxxx (Reversed) >>> 2) [email protected] >>> 3) md5 hash([email protected]) >>> 4) Any other solution. >>> >>> Many thanks. >>> >>> -- >>> M. Nurettin ŞİMŞEK >>
