it just say the value is get from FileInfo struct ,i do not see any algorithm of caculate AVG_KEY_LEN.
On Thu, May 22, 2014 at 10:08 AM, Ted Yu <yuzhih...@gmail.com> wrote: > Please take a look at HFileReaderV2 ctor (line 159 in trunk): > > avgKeyLen = Bytes.toInt(fileInfo.get(FileInfo.AVG_KEY_LEN)); > > Cheers > > > On Wed, May 21, 2014 at 6:57 PM, ch huang <justlo...@gmail.com> wrote: > > > hi,maillist: > > i observe command " hbase hfile -m -f > > > > > /hbase/pipe_url/da8687017e0d5ef0a274153426127ef3/info/9efda5a9f07e47248af4e998b42afafd" > > output ,and i do not know how to calculate the key length, > > > > it's say > > firstKey=2-F9150DB8A200991BCCA59B5D4E554181/info:url/1400052220386/Put > > > > and > > avgKeyLen=53 > > > > but > > # echo 2-F9150DB8A200991BCCA59B5D4E554181|wc -c > > 35 > > # echo 2-F9150DB8A200991BCCA59B5D4E554181/info:url/1400052220386/Put|wc > -c > > 62 > > none match the number 53,why? > > >
