Thanks, that all seems quite reasonable I suppose.
Cheers!
On Sep 20, 2012, at 11:22 , Aaron Eng wrote:
>> I'm tasked with creating a guide that instructs on how to choose a Hadoop
> distribution from the handful of common options.
>> Does anyone have any thoughts on what criteria might govern such a
> decision?
>
> What problem(s) are you trying to solve with Hadoop (and related projects)?
> What are your expectations of the technology?
>
> The details beyond that level could take many, many pages to cover.
>
> Not all Hadoop distributions are tested the same way, packaged with the
> same components, etc. Not all components of a given Hadoop distribution
> work with other Hadoop distributions. There are a lot of common things
> between distributions which is probably why its difficult to articulate how
> to choose one over the another. So when you look at the problem you are
> trying to solve and your expectations of the technology, many things may
> seem relatively equal and hence you may need to get into some significant
> level of detail to pick something that best solves your problem. In some
> cases it may be very straightforward as to whether a distribution will meet
> your requirements. In other cases, things may look relatively equal across
> the board until you drill down to a point where you find differentiation
> (or maybe you dont find it). But those would be my critera, articulate the
> problem and expectations and compare functionality until you find
> differentiation.
>
>
> On Thu, Sep 20, 2012 at 11:06 AM, Keith Wiley <kwiley@keithwiley.com> wrote:
>
>> I'm tasked with creating a guide that instructs on how to choose a Hadoop
>> distribution from the handful of common options. I'm finding this rather
>> perplexing. While some of the venders offer additional management software
>> (Cloudera Manager is an example) I'm unclear whether those packages could
>> be installed and run irregardless of the underlying Hadoop distribution or
>> if they are exclusively compatible with their vender's distribution (or if
>> there's some crossover). I'm also unclear on any other basis for
>> comparison. For example HortonWorks originated HCatalog (to the best of my
>> understanding), but that doesn't necessarily mean one needs to use the HW
>> Hadoop dist. to use HCatalog since it's just a public Apache project anyway
>> at this point. I'm sure similar statements could be made about MapR or
>> Greenplum (although I thin Greenplum's Hadoop uses MapR's M5 anyway so
>> again, the decision-making process in such a case seems baffling).
>>
>> And then there's the option of installing the Apache version directly,
>> always on the table I suppose.
>>
>> Does anyone have any thoughts on what criteria might govern such a
>> decision? I'm not trying to get into an argument about which distribution
>> is best, I'm not even looking for defenses or arguments for one
>> distribution or another, but rather a notion of what the criteria for
>> basing such a decision might be.
>>
>> Thanks.
>>
>> Cheers!
________________________________________________________________________________
Keith Wiley kwiley@keithwiley.com keithwiley.com music.keithwiley.com
"And what if we picked the wrong religion? Every week, we're just making God
madder and madder!"
-- Homer Simpson
________________________________________________________________________________
|