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Today's Topics:
1. Re: MonetDB: default - allow fixed number of partitions using
--set ... (Fabian Groffen)
2. Re: MonetDB: default - allow fixed number of partitions using
--set ... (Niels Nes)
3. Dear MonetDB development team. I have some question for
MonetDB (???)
----------------------------------------------------------------------
Message: 1
Date: Sun, 2 Dec 2012 12:03:54 +0100
From: Fabian Groffen <fab...@monetdb.org>
To: developers-l...@monetdb.org
Subject: Re: MonetDB: default - allow fixed number of partitions using
--set ...
Message-ID: <20121202110354.gg9...@cwi.nl>
Content-Type: text/plain; charset="utf-8"
On 02-12-2012 11:51:30 +0100, Niels Nes wrote:
> Changeset: 6e166ce6744e for MonetDB
> URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=6e166ce6744e
> Modified Files:
> gdk/gdk_utils.c
> gdk/gdk_utils.h
> monetdb5/optimizer/opt_mitosis.c
> Branch: default
> Log Message:
>
> allow fixed number of partitions using --set mito_parts=?
isn't this the same as --forcemito + gdk_nr_threads=?
--
Fabian Groffen fab...@monetdb.org
column-store pioneer http://www.monetdb.org/Home
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Message: 2
Date: Sun, 2 Dec 2012 12:19:48 +0100
From: Niels Nes <niels....@cwi.nl>
To: "Communication channel for developers of the MonetDB suite."
<developers-l...@monetdb.org>
Subject: Re: MonetDB: default - allow fixed number of partitions using
--set ...
Message-ID: <20121202111948.ga15...@niels.cwi.nl>
Content-Type: text/plain; charset="utf-8"
On Sun, Dec 02, 2012 at 12:03:54PM +0100, Fabian Groffen wrote:
> On 02-12-2012 11:51:30 +0100, Niels Nes wrote:
> > Changeset: 6e166ce6744e for MonetDB
> > URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=6e166ce6744e
> > Modified Files:
> > gdk/gdk_utils.c
> > gdk/gdk_utils.h
> > monetdb5/optimizer/opt_mitosis.c
> > Branch: default
> > Log Message:
> >
> > allow fixed number of partitions using --set mito_parts=?
>
> isn't this the same as --forcemito + gdk_nr_threads=?
no. That sets the number of threads and for small table still enables
mitosis. But this allows setting the number of created partitions.
Its a hack to experiment and test more optimal (nr) of paritions and/or
partition sizes.
Niels
>
> --
> Fabian Groffen fab...@monetdb.org
> column-store pioneer http://www.monetdb.org/Home
> _______________________________________________
> developers-list mailing list
> developers-l...@monetdb.org
> http://mail.monetdb.org/mailman/listinfo/developers-list
--
Niels Nes, Centrum Wiskunde & Informatica (CWI)
Science Park 123, 1098 XG Amsterdam, The Netherlands
room L3.14, phone ++31 20 592-4098 sip:4...@sip.cwi.nl
url: http://www.cwi.nl/~niels e-mail: niels....@cwi.nl
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Message: 3
Date: Mon, 3 Dec 2012 11:27:30 +0900 (KST)
From: ??? <fantastic...@naver.com>
To: developers-l...@monetdb.org
Subject: Dear MonetDB development team. I have some question for
MonetDB
Message-ID: <58deab1e6b978b64f0cb83d9b6f...@tweb12.nm.nhnsystem.com>
Content-Type: text/plain; charset="utf-8"
Dear MonetDB development team.
I am a graduate student attending Korea's Hongik University.
I am working on a project that improving query processing performance.
I want to add some algorithms in MonetDB source code.
Can I ask some questions by this e-mail address?
Yours sincerely.
fantastictoy?? ???
?????.
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