ldb one-level search performance issue

Stefan Metzmacher metze at samba.org
Mon May 28 16:44:48 UTC 2018

Am 28.05.2018 um 03:23 schrieb Andrew Bartlett via samba-technical:
> On Sat, 2018-05-26 at 15:43 +1200, Andrew Bartlett via samba-technical
> wrote:
>> On Sat, 2018-05-26 at 07:20 +1200, Andrew Bartlett via samba-technical
>> wrote:
>>> The string component stuff was a red herring (as it would not throw an
>>> error), but it hid this real issue:
>>> Checking 18862 objects
>>> ERROR: parent object not found for CN=kcc_BCDE3
>>> Patches to get that far are in 
>>> https://gitlab.com/catalyst-samba/samba/commits/abartlet-dbcheck-ideas
>> With that branch, the real issue can be reproduced in just two tests
>> with:
>> make test TESTS="kcc dbcheck --include-env=ad_dc_ntvfs"
>> That should make it easier to see and sort out.
> This seems to fix it.  Tests to follow, but this could explain a lot of
> things, perhaps even our replication failures in repl_move that I was
> trying to paper over with a unique prefix.

Please have a look at
for some reformatting, squashes and typo fixes.


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