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Date: Mon, 26 Jan 2009 10:58:55 -0500
Message-ID: <a32f6b020901260758r6f3c5986te37faa7e83c62a5b@mail.gmail.com>
Subject: Re: [DRS] Changelog improvements
From: Alex Karasulu <akarasulu@gmail.com>
To: Apache Directory Developers List <dev@directory.apache.org>
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On Mon, Jan 26, 2009 at 2:40 AM, Kiran Ayyagari <ayyagarikiran@gmail.com>wrote:

> Emmanuel Lecharny wrote:
>
>> - fast lookup for an entry by its DN, or entryCSN/UUID attributes.
>>
> We need to allow duplicates in the DN index, there will be collisions.
>
> How do we access CSN/UUID I think, this JournalInterceptor will be before
> the
> ReplicationInterceptor then we don't have access to CSN. One way would be
> to
> create these values in JournalInterceptor and pass on to
> ReplicationInterceptor
>

The server should be generating entryUUID values and entryCSN operational
attributes for all entries and changes respectively.  This should be done
even if replication is not enabled. So it's best if the code generating
these be separated from mitosis and put into the operational interceptor.

Alex

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<br><br><div class=3D"gmail_quote">On Mon, Jan 26, 2009 at 2:40 AM, Kiran A=
yyagari <span dir=3D"ltr">&lt;<a href=3D"mailto:ayyagarikiran@gmail.com">ay=
yagarikiran@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0=
pt 0.8ex; padding-left: 1ex;">
<div class=3D"Ih2E3d">Emmanuel Lecharny wrote:<br></div><div class=3D"Ih2E3=
d"><blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(20=
4, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">- fast lookup =
for an entry by its DN, or entryCSN/UUID attributes.<br>

</blockquote></div>
We need to allow duplicates in the DN index, there will be collisions.<br>
<br>
How do we access CSN/UUID I think, this JournalInterceptor will be before t=
he<br>
ReplicationInterceptor then we don&#39;t have access to CSN. One way would =
be to<br>
create these values in JournalInterceptor and pass on to ReplicationInterce=
ptor<br></blockquote><div><br>The server should be generating entryUUID val=
ues and entryCSN operational attributes for all entries and changes respect=
ively.&nbsp; This should be done even if replication is not enabled. So it&=
#39;s best if the code generating these be separated from mitosis and put i=
nto the operational interceptor.<br>
&nbsp;</div></div>Alex<br>

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