Re: Performance with macro acis

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On 10/01/2015 02:53 PM, Rich Megginson wrote:
On 10/01/2015 02:58 PM, Adrian Damian wrote:
Hello Rich and Noriko,

Is there a work around to slow listing or children problem?
You could use cn=Directory Manager which is not affected by ACIs.
Hmmm. Interesting.

All I need is to list their IDs (entrydn or cn or uid),
To what does "their" refer to?  macro acis?  All entries in the subtree?
Yes, all the entries at level one in the subtree of a node. The root node is Groups and the subtree nodes are the actual groups. I want to be able to list the names of the groups.

operation that is not affected by the macro ACIs.
Not sure what you mean here.
The macro ACIs grant access to other attributes and are not required to be
evaluated for this list/read operation to work correctly.

I was thinking of a multi value attribute in the root node
The DSE root entry ""?  The entry at the base of the suffix?
The root Groups node for which I want to be able to display the name of the group elements of the subtree.

that contains the IDs of all the children.Is there a plugin that can
update this attribute automatically when an new child entry is added
or deleted to the base node?
No.
Fair enough. That could be achieved in the client software - I was just hoping I could avoid that.

Adrian
Thanks,
Adrian


On 09/17/2015 10:44 AM, Noriko Hosoi wrote:
On 09/17/2015 10:39 AM, Rich Megginson wrote:
On 09/17/2015 11:33 AM, Noriko Hosoi wrote:
Hello,

There is a known issue in the macro aci performance which is fixed in
the upstream.  The fix will be included in the next rhel releases
(6.8 and 7.2).

https://fedorahosted.org/389/ticket/48141
And https://fedorahosted.org/389/ticket/48175
Thanks,
--noriko

On 09/17/2015 09:59 AM, Adrian Damian wrote:
389-ds-base-1.2.11.15-34.el6_5.x86_64

On 09/17/2015 09:56 AM, Rich Megginson wrote:
On 09/17/2015 10:52 AM, Adrian Damian wrote:
Hi Rich,

Sorry for missing this info. It's 1.2.11 running on SL6.
We need the exact version, which is why I asked for the output of
rpm -q
389-ds-base

Adrian

On 09/17/2015 08:54 AM, Rich Megginson wrote:
On 09/16/2015 03:11 PM, Adrian Damian wrote:
Hi There,

The scenario is simple: we have a subtree in the DIT with a few
thousand
children node. The parent node of the subtree has a few acis
including a
couple of macro acis that apply to each of the child nodes. We've
observed a significant performance degradation when trying to
list all
the children in the presence of the macro acis.

Profiling on the client code show that although the first few
child
nodes were fetched quite fast there is a clear delay buildup
as the
retrieval progresses. The buildup is not present when the macro
acis
are
removed. Also, it is faster to split the list in chunks and
retrieve
them sequentially.

Is it possible that as the macro acis are resolved they are
added to
the
list of acis of the parent node so that the last nodes are
evaluated
against many more acis than the first ones and hence the
observed delay
in their retrieval? Is there a workaround for this?
What version of 389?  rpm -q 389-ds-base

Thank you,
Adrian

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