You really don't want to go to 20GB.
Without knowing the number of regions... going beyond 1-2 GB may cause more headaches than its worth.
Sorry, but I tend to be very cautious when it comes to tuning.
On Oct 2, 2012, at 9:20 AM, Damien Hardy <[EMAIL PROTECTED]> wrote:
> 2012/10/2 Marcos Ortiz <[EMAIL PROTECTED]>
>> Another thing that I´m seeing is that one of your main process is
>> so you can optimize all this inceasing the size of your regions (by
>> defaulf the size of a
>> region is 256 MB), but you will have in your hands a "split/compaction
>> storm" like
>> Lars called them on his book.
> Actually it seams like the default value for hbase.hregion.max.filesize in
> 0.92 was increased up to 1Go.
> But you can set it to more (max is 20Go) and split manually.