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Date: Fri, 13 Jan 2006 09:48:10 +0900
From: Trustin Lee <trustin@gmail.com>
To: Apache Directory Developers List <dev@directory.apache.org>
Subject: Re: direct access to sockets
Cc: Johannes Zillmann <JZ8_blue@yahoo.de>
In-Reply-To: <43BECCD3.4020601@yahoo.de>
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Hi Johannes,

2006/1/7, Johannes Zillmann <JZ8_blue@yahoo.de>:
>
> Dear mina team,
>
> currently i'm participate in 2 projects in which network communication
> plays a big role.
> The profile of the projects looks similar:
> - there is a lot of coordination communication to do, whereat mina is
> great
> - but a lot of large data blocks(simply call it files..) has to be moved
> as well, whereat mina naturally can't beat fe a simple bio socket
> implementation in performance
>
> After testing a lot and thinking some time about it, i came to the point
> that the simplest way to gain the efforts of using
> mina but not loosing any piece of performance is to have the possibilty
> to get direct access to a sessions socket (no matter if bio or nio).
>
> This would avoid the overhead of chunking, filtering,... data which is
> not intended to do so.
> And it would allow things like
> FileChannel fc;
> SocketChannel sc;
> fc.transferFrom(sc,0,23);


For now there's no way to achieve the same behavior with this.  But I guess
we can implement this by providing a special write request object:

IoSession session =3D ...;
session.write( new TransferRequest( fc, 0, 23 ) );

WDYT?

Trustin
--
what we call human nature is actually human habit
--
http://gleamynode.net/
PGP Key ID: 0x854B996C

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Hi Johannes,<br><br><div><span class=3D"gmail_quote">2006/1/7, Johannes Zil=
lmann &lt;<a href=3D"mailto:JZ8_blue@yahoo.de">JZ8_blue@yahoo.de</a>&gt;:</=
span><blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(=
204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Dear mina team,<br><br>currently i'm participate in 2 projects in which net=
work communication<br>plays a big role.<br>The profile of the projects look=
s similar:<br>- there is a lot of coordination communication to do, whereat=
 mina is great
<br>- but a lot of large data blocks(simply call it files..) has to be move=
d<br>as well, whereat mina naturally can't beat fe a simple bio socket<br>i=
mplementation in performance<br><br>After testing a lot and thinking some t=
ime about it, i came to the point
<br>that the simplest way to gain the efforts of using<br>mina but not loos=
ing any piece of performance is to have the possibilty<br>to get direct acc=
ess to a sessions socket (no matter if bio or nio).<br><br>This would avoid=
 the overhead of chunking, filtering,... data which is
<br>not intended to do so.<br>And it would allow things like<br>FileChannel=
 fc;<br>SocketChannel sc;<br>fc.transferFrom(sc,0,23);</blockquote><div><br=
>For now there's no way to achieve the same behavior with this.&nbsp; But I=
 guess we can implement this by providing a special write request object:
<br><br>IoSession session =3D ...;<br>session.write( new TransferRequest( f=
c, 0, 23 ) );<br></div><br>WDYT?<br><br>Trustin</div>-- <br>what we call hu=
man nature is actually human habit<br>--<br><a href=3D"http://gleamynode.ne=
t/">
http://gleamynode.net/</a><br>PGP Key ID: 0x854B996C

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