Hi Jean ,
Thanks You for the support.
we can create table like this , create 'xyz', {NAME => 'cf', BLOCKSIZE =>
'8192'} inorder to set the block size.
But I am using phoenix to create and query the table. I want to globaly declare
this property to let all table crated should take this property.
My priamry aim is to decrease the random read latency by reducing block size.
how can I make that?
Best Regards,
Job M Thomas
________________________________
From: Jean-Marc Spaggiari [mailto:[email protected]]
Sent: Tue 11/26/2013 9:28 AM
To: user
Subject: Re: HFile block size
From the code and the JIRAs:
hbase.hregion.max.filesize is used to configure the size of a region (which
can contain more than one HFile)
hbase.mapreduce.hfileoutputformat.blocksize come from HBase 8949 (While
writing hfiles from HFileOutputFormat forcing blocksize from table
schema(HColumnDescriptor).
Even if we configure hbase.mapreduce.hfileoutputformat.blocksize during
bulkload/import it
will be overridden with actual block size from table schema. )
hfile.min.blocksize.size is the old
hbase.mapreduce.hfileoutputformat.blocksize (See HBase-3864)
2013/11/25 Job Thomas <[email protected]>
> Hi all,
>
> Out of these property , which one is used to set HFile block size in hbae
> 0.94.12
>
> hbase.hregion.max.filesize=16384
>
> hfile.min.blocksize.size=16384
>
> hbase.mapreduce.hfileoutputformat.blocksize=16384
>
> Best Regards,
> Job M Thomas
>
