BigData (Hadoop/NoSQL)

Sepherosa Ziehau sepherosa at gmail.com
Tue Oct 29 20:58:14 PDT 2013


We implemented RFC6675 and it is enabled by default (IMHO, all modern
TCP/IP stacks are SACK enable).  You could read this
http://tools.ietf.org/html/rfc6937 section.6, to get the general
information.

Best Regards,
sephe



On Wed, Oct 30, 2013 at 10:38 AM, Muhammad Nuzaihan Bin Kamal Luddin <
muhammad at taqisystems.com> wrote:

> Hi all,
>
> I know the severe lacking in DragonFlyBSD is the TCP/IP stack.
>
> http://web.mit.edu/remy/ is quite new and still being researched on,
> however but an interesting paper nonetheless.
>
> Regards,
> Muhammad Nuzaihan
>
> On 30/10/2013 10:05, Muhammad Nuzaihan Bin Kamal Luddin wrote:
>
>> Hi All,
>>
>> I had this idea since the early 2013 - even before "osv.io" came out.
>>
>> Looking at the characteristic of DragonFly, it looks more modern for
>> really special applications and HAMMER looks an interesting step for
>> Desktops as well.
>>
>> - purpose was for BigData optimisations (Hadoop) and NoSQL
>> - the overhaul of a typical UNIX design was more interesting with
>> DragonFlyBSD
>> - DragonFlyBSD project just has acquired a 48-core opteron machine to
>> stress test their performance gains
>> - swapcache (similar to bcache on Linux and L2arc on ZFS)
>> - HAMMER filesystem (and the under-development HAMMER2) with an
>> interesting snapshot feature. (to solve BigData storage (archival) problems)
>>
>> Note: a typical Data scientist does not require such a titan - they only
>> need a simple relational DB (MySQL/MSSQL) and a normal Windows Laptop.
>>
>> Regards,
>> Muhammad Nuzaihan
>>
>>
> --
> Taqi Systems
> 269-J Jalan Panji
> Kampung Chempaka, Kota Bharu, Kelantan 16100
>
> Phone: +6097738657
> Mobile: +60199788657
>
> pub   4096R/4C77F88C 2013-04-06 [expires: 2015-04-06]
>       Key fingerprint = 2FE1 87FA E775 2E05 CC0F  B3F6 3CB7 C65F 4C77
> F88C
> uid                  Muhammad Nuzaihan Bin Kamal Luddin
> <muhammad at taqisystems.com>
>
>


-- 
Tomorrow Will Never Die
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