Hi there- re: "The question is : in what application BLOCKSIZE should be changed (increased or decreased) ?"
See.. http://hbase.apache.org/book.html#schema.creation and... http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/HColumnDescriptor.h tml On 11/14/11 3:51 AM, "Damien Hardy" <[email protected]> wrote: >Le 13/11/2011 16:13, Arvind Jayaprakash a écrit : >> A common confusion is b/w MAX_FILESIZE and BLOCKSIZE. Given that >> MAX_FILESIZE is not listed on :60010/master.jsp, one tends to assume >> BLOCKSIZE represents that value. >> >> On Nov 10, lars hofhansl wrote: >>> "BLOCKSIZE => '536870912'" >>> >>> >>> You set your blocksize to 512mb? The default is 64k (65536), try to >>>set it to something lower. > > >Hello, > >Thank you for answer I have just altered my table and launched a >major_compact to get it effective. > >I thought that increasing FILSIZE of HBases implies somehow changes on >the BLOSKSIZE of my tables and to prevent unbalanced paramaters >increased it too ... #FAIL. > >The question is : in what application BLOCKSIZE should be changed >(increased or decreased) ? > >Thank you. > >-- >Damien > > >
