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On 04/18/2012 01:33 PM, Michael Gettes wrote:
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cite="mid:CAC57iNad3tskb8T1M0uK2a5mSFUPrrRLA41PPe+vaKrv-3Fbnw@mail.gmail.com"
type="cite">
<p>Hey russ, I've got the same problem for large groups using
member... We are coming from an openldap world so not much use
of uniquemember yet.</p>
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It's essentially the same problem - it doesn't matter if you use
member or uniquemember.<br>
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cite="mid:CAC57iNad3tskb8T1M0uK2a5mSFUPrrRLA41PPe+vaKrv-3Fbnw@mail.gmail.com"
type="cite">
<div class="gmail_quote">On Apr 18, 2012 2:10 PM, "Russell Beall"
<<a moz-do-not-send="true" href="mailto:beall@usc.edu">beall@usc.edu</a>>
wrote:<br type="attribution">
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<div style="word-wrap:break-word">Does anybody have a pointer
to any performance comparisons between Sun DS and 389?
<div><br>
</div>
<div>I was extremely happy with the performance boost using
389 on a Linux VM which is 5-8 times faster for ldapsearch
operations than the older Sun machines with Sun DS 6.3.</div>
<div><br>
</div>
<div>In testing one of our most important use cases just
now, I find that the ldapmodify speed is many many times
slower. This doesn't make much sense, so I think I'm
doing something wrong or having something misconfigured.</div>
<div><br>
</div>
<div>Earlier I improved the write performance by using large
db cache sizes and moving the nsslapd-db-home-directory to
tmpfs. Now most modify operations have very little I/O
wait except when occasionally flushing the index files and
such, and yet, there is a CPU pegged for very long periods
of time, orders of magnitude higher than on Sun DS.</div>
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</div>
<div>Is there any documentation on ldapmodify performance
that I could review? Google searching seems eerily silent
on the issue… (which also leads me to believe I have
something misconfigured if nobody has been asking about
the issue…)</div>
<div><br>
</div>
<div>The particular use case I am working with involves
replacing large quantities of uniqueMember values on
entries in ou=groups.</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Russ.</div>
<div><br>
</div>
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<div>
<div style="font-size:12px">Russell Beall<br>
Programmer Analyst IV</div>
<div style="font-size:12px">Enterprise
Identity Management</div>
<div style="font-size:12px">University of Southern
California</div>
<div style="font-size:12px">
<a moz-do-not-send="true"
href="mailto:beall@usc.edu"
target="_blank">beall@usc.edu</a></div>
</div>
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389 users mailing list
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<a class="moz-txt-link-freetext" href="https://admin.fedoraproject.org/mailman/listinfo/389-users">https://admin.fedoraproject.org/mailman/listinfo/389-users</a></pre>
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