maria-developers team mailing list archive

[Roberto Spadim <roberto@xxxxxxxxxxxxx>]

could you 'display' the dataset you used with octave?

2014-07-08 13:55 GMT-03:00 Anshu Avinash <anshu.avinash35@xxxxxxxxx>:
> Hi all,
>
> This week's blog post is at:
> http://igniting.in/gsoc2014/2014/07/08/solving-linear-equations/ . Sorry for
> the delay.
> Suggestions for an approach to solve the system of linear equations are
> welcome.
>
> Regards
> Anshu Avinash
>
>
> On Mon, Jun 23, 2014 at 7:39 PM, Roberto Spadim <roberto@xxxxxxxxxxxxx>
> wrote:
>>
>> " MDEV. "
>> it's nice to put full name (MDEV-350), since google and others search
>> engines help when someone try to find information about mdev 350
>>
>> text is ok :)
>>
>> 2014-06-23 11:04 GMT-03:00 Anshu Avinash <anshu.avinash35@xxxxxxxxx>:
>> > Hi,
>> >
>> > Sorry for the confusion, this is the new link:
>> > http://igniting.in/gsoc2014/2014/06/23/work-before-mid-term/
>> > Thanks for pointing out.
>> >
>> > Regards
>> > Anshu
>> >
>> >
>> > On Mon, Jun 23, 2014 at 7:32 PM, Roberto Spadim <roberto@xxxxxxxxxxxxx>
>> > wrote:
>> >>
>> >> "Sorry this page does not exist =("
>> >>
>> >> 2014-06-23 8:07 GMT-03:00 Anshu Avinash <anshu.avinash35@xxxxxxxxx>:
>> >> > Hi all,
>> >> >
>> >> > You can find this week's blog entry at:
>> >> > http://igniting.in/2014/06/23/work-before-mid-term/
>> >> > Suggestions/reviews are welcome.
>> >> >
>> >> > Regards
>> >> > Anshu Avinash
>> >> >
>> >> >
>> >> > On Mon, Jun 9, 2014 at 7:30 PM, Roberto Spadim
>> >> > <roberto@xxxxxxxxxxxxx>
>> >> > wrote:
>> >> >>
>> >> >> Well i wws reading your posts
>> >> >> Do you need big data to test read and scan times?
>> >> >>
>> >> >> Em segunda-feira, 9 de junho de 2014, Anshu Avinash
>> >> >> <anshu.avinash35@xxxxxxxxx> escreveu:
>> >> >>
>> >> >>> Hi all,
>> >> >>>
>> >> >>> You can find this week's blog entry at
>> >> >>> http://igniting.in/gsoc2014/2014/06/09/more-coding/. I'm now
>> >> >>> maintaining the
>> >> >>> code only on github:
>> >> >>> https://github.com/igniting/server/tree/selfTuningOptimizer.
>> >> >>>
>> >> >>> Regards
>> >> >>> Anshu Avinash
>> >> >>>
>> >> >>>
>> >> >>> On Sun, May 25, 2014 at 3:27 PM, Anshu Avinash
>> >> >>> <anshu.avinash35@xxxxxxxxx> wrote:
>> >> >>>
>> >> >>> Hi all,
>> >> >>>
>> >> >>> You can find my this week's blog entry at
>> >> >>> http://igniting.in/gsoc2014/2014/05/25/coding-things-up/ . I have
>> >> >>> created a
>> >> >>> branch on launchpad for my work:
>> >> >>> http://bazaar.launchpad.net/~igniting/maria/maria/revision/4211 .
>> >> >>> You
>> >> >>> can
>> >> >>> give your suggestions/reviews either on this thread or as a comment
>> >> >>> on
>> >> >>> the
>> >> >>> blog itself.
>> >> >>>
>> >> >>> Regards
>> >> >>> Anshu Avinash
>> >> >>>
>> >> >>>
>> >> >>> On Tue, May 20, 2014 at 1:22 AM, Roberto Spadim
>> >> >>> <roberto@xxxxxxxxxxxxx>
>> >> >>> wrote:
>> >> >>>
>> >> >>> wow a big work, congratulation guy, i will read part by part to
>> >> >>> better
>> >> >>> understand mariadb code
>> >> >>>
>> >> >>>
>> >> >>> 2014-05-19 16:33 GMT-03:00 Anshu Avinash
>> >> >>> <anshu.avinash35@xxxxxxxxx>:
>> >> >>>
>> >> >>> Hi all,
>> >> >>>
>> >> >>> This week's blog entry would get delayed by couple of days. I have
>> >> >>> started coding though and would like to give heads up on what I'm
>> >> >>> doing.
>> >> >>>
>> >> >>> I've looked at the diffs for "Cost model project" of mysql:
>> >> >>> http://bazaar.launchpad.net/~mysql/mysql-server/5.7/revision/7596
>> >> >>> and
>> >> >>> http://bazaar.launchpad.net/~mysql/mysql-server/5.7/revision/7222 .
>> >> >>> These
>> >> >>> give a pretty good idea about what are the hard-coded constants and
>> >> >>> where
>> >> >>> are they being used.
>> >> >>>
>> >> >>> The idea is to multiply "READ_TIME_FACTOR" and "SCAN_TIME_FACTOR"
>> >> >>> to
>> >> >>> the
>> >> >>> values returned by read_time() and scan_time() in handler.h, while
>> >> >>> returning. These values would be read from a table in mysql db. For
>> >> >>> that
>> >> >>> I've looked at sql_statistics.cc. After completing this, I'll first
>> >> >>> change
>> >> >>> the values of these constants manually and check if the better or
>> >> >>> worse
>> >> >>> query plans are being selected. I'll first do the last step
>> >> >>> manually,
>> >> >>> to
>> >> >>> check if everything is working as expected and later automate it.
>> >> >>>
>> >> >>> Regards
>> >> >>> Anshu
>> >> >>>
>> >> >>>
>> >> >>> On Mon, May 12, 2014 at 11:22 AM, Anshu Avinash
>> >> >>> <anshu.avinash35@xxxxxxxxx> wrote:
>> >> >>>
>> >> >>> Hi all,
>> >> >>>
>> >> >>> You can find my blog entry for this week at
>> >> >>> http://igniting.in/gsoc2014/2014/05/11/first-steps/ .
>> >> >>>
>> >> >>> Regards
>> >> >>> Anshu Avinash
>> >> >>>
>> >> >>>
>> >> >>> On Thu, May 8, 2014 at 11:46 PM, Anshu Avinash
>> >> >>> <anshu.avinash35@xxxxxxxxx> wrote:
>> >> >>>
>> >> >>> Hi all,
>> >> >>>
>> >> >>> Sorry for the irregular updates. I had been busy for last couple of
>> >> >>> days
>> >> >>> and might still be busy for 1-2 days more. I would be completely
>> >> >>> free
>> >> >>> starting next week, and would be updating my blog weekly on every
>> >> >>> Monday (so
>> >> >>> 1st update would be on May 12). I would also send the link of my
>> >> >>> post
>> >> >>> weekly
>> >> >>> on the mailing list.
>> >> >>>
>> >> >>> As discussed on irc, I started to explore the pair of constants:
>> >> >>> handler::scan_time() and handler::read_time().
>> >> >>
>> >> >>
>> >> >>
>> >> >> --
>> >> >> Roberto Spadim
>> >> >> SPAEmpresarial
>> >> >> Eng. Automação e Controle
>> >> >>
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Roberto Spadim
>> >> SPAEmpresarial
>> >> Eng. Automação e Controle
>> >
>> >
>>
>>
>>
>> --
>> Roberto Spadim
>> SPAEmpresarial
>> Eng. Automação e Controle
>
>



-- 
Roberto Spadim
SPAEmpresarial
Eng. Automação e Controle