Re: Major features for 9.1

From: Gilberto Castillo Martínez
Subject: Re: Major features for 9.1
Date: ,
Msg-id: 1301921500.25075.7.camel@gilbertoc.mtcorp.etecsa.cu
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In response to: Re: Major features for 9.1  ("Kevin Grittner")
Responses: Re: Major features for 9.1  ("Kevin Grittner")
List: pgsql-advocacy

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Major features for 9.1  (Josh Berkus, )
 Re: Major features for 9.1  (Thom Brown, )
 Re: Major features for 9.1  ("Joshua D. Drake", )
 Re: Major features for 9.1  (Pavel Stehule, )
 Re: Major features for 9.1  (Guillaume Lelarge, )
  Re: Major features for 9.1  (phb07, )
 Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  (Florian Weimer, )
 Re: Major features for 9.1  (Robert Bernier, )
  Re: Major features for 9.1  (David Fetter, )
 Re: Major features for 9.1  (Simon Riggs, )
  Re: Major features for 9.1  (Josh Berkus, )
   Re: Major features for 9.1  (Simon Riggs, )
    Re: Major features for 9.1  (Gilberto Castillo Martínez<>, )
    Re: Major features for 9.1  (David Fetter, )
   Re: Major features for 9.1  (Peter Eisentraut, )
    Re: Major features for 9.1  (David Fetter, )
     Re: Major features for 9.1  (Peter Eisentraut, )
   Re: Major features for 9.1  (Peter Eisentraut, )
    Re: Major features for 9.1  (Joshua Berkus, )
     Re: Major features for 9.1  (Andrew Lardinois, )
     Re: Major features for 9.1  ("Kevin Grittner", )
     Re: Major features for 9.1  (David Fetter, )
     Re: Major features for 9.1  (Greg Smith, )
      Re: Major features for 9.1  (Joshua Berkus, )
      Re: Major features for 9.1  (Bruce Momjian, )
    Re: Major features for 9.1  (Gilberto Castillo Martínez<>, )
   Re: Major features for 9.1  (Joshua Berkus, )
    Re: Major features for 9.1  (Peter Eisentraut, )
    Re: Major features for 9.1  (Oleg Bartunov, )
 Re: Major features for 9.1  (Emanuel Calvo, )
 Re: Major features for 9.1  ("Kevin Grittner", )
 Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  (Jeff Davis, )
   Re: Major features for 9.1  ("Kevin Grittner", )
    Re: Major features for 9.1  (Oleg Bartunov, )
     Re: Major features for 9.1  (Gilberto Castillo Martínez<>, )
    Re: Major features for 9.1  (Jeff Davis, )
     Re: Major features for 9.1  ("Kevin Grittner", )
 Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  (Gilberto Castillo Martínez<>, )
   Re: Major features for 9.1  ("Kevin Grittner", )
    Re: Major features for 9.1  (Andrew Lardinois, )
     Re: Major features for 9.1  ("Kevin Grittner", )
      Re: Major features for 9.1  ("Kevin Grittner", )
       Re: Major features for 9.1  (Andrew Lardinois, )
        Re: Major features for 9.1  ("Kevin Grittner", )
         Re: Major features for 9.1  (Andrew Lardinois, )
     Re: Major features for 9.1  (Simon Riggs, )
 Re: Major features for 9.1  (Aidan Van Dyk, )
 Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  (Nikolas Everett, )
  Re: Major features for 9.1  (Josh Berkus, )
   Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  (Roy Hann, )
   Re: Major features for 9.1  (Jeff Davis, )
    Re: Major features for 9.1  (Peter Eisentraut, )
     Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  (Roy Hann, )
   Re: Major features for 9.1  ("Kevin Grittner", )
    Re: Major features for 9.1  (Jeff Davis, )
     Re: Major features for 9.1  ("Kevin Grittner", )
 Re: Major features for 9.1  ("Kevin Grittner", )
 Re: Major features for 9.1  (Peter Eisentraut, )
  Re: Major features for 9.1  (Magnus Hagander, )
   Re: Major features for 9.1  (Peter Eisentraut, )
 Re: Major features for 9.1  ("Kevin Grittner", )
  Re: Major features for 9.1  ("Joshua D. Drake", )
  Re: Major features for 9.1  (Greg Smith, )
   Re: Major features for 9.1  ("Kevin Grittner", )
    Re: Major features for 9.1  (Greg Smith, )
     Re: Major features for 9.1  ("Kevin Grittner", )
 Re: Major features for 9.1  (Simon Riggs, )
  Re: Major features for 9.1  (Joshua Tolley, )
   Re: Major features for 9.1  (Gilberto Castillo Martínez<>, )
   Re: Major features for 9.1  (Thomas Kellerer, )


>
> > when it comes to SSI I am not finding any explanations
> > for this acronym.
>
> http://wiki.postgresql.org/wiki/Serializable
>
> It's about a technique for serializable transactions which doesn't
> add any blocking beyond what is present in snapshot isolation.  In
> contrast, most serializable implementations which provide true
> serializability do this by blocking conflicting transactions.  A
> description of the SSI technique was first published in the 2008 ACM
> SIGMOD, with independent confirmation of some of the published
> performance improvements compared to traditional S2PL serializability
> by an ACM committee.  While two prototype implementations were
> developed to support academic papers on the topic, we believe this is
> the first production-quality implementation.  It includes many
> innovations which were not described in any academic papers on the
> topic.

Excelent!1

The News:
It's about a technique for serializable transactions which doesn't
add any blocking beyond what is present in snapshot isolation.It includes many
innovations which were not described in any academic papers on the
topic.

--
Saludos,
Gilberto Castillo
Edificio Beijing. Miramar Trade Center. Etecsa.
Miramar, La Habana.Cuba.
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From: "Kevin Grittner"
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Subject: Re: Major features for 9.1
From: Andrew Lardinois
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Subject: Re: Major features for 9.1