Re: (ITS#8875) [Patch] Performance problems in back-mdb with large DITs and many aliases
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--On Sunday, April 07, 2019 10:15 AM +0000 henrik.bohnenkamp(a)ionos.com
wrote:
On Thu, Apr 04, 2019 at 05:32:16PM +0100, Howard Chu wrote:
Hi Howard,
thanks for your comments. There is now a new version of patches available
in my github repository. Apart from addressing your comments, I have
rebased the patches against the current master branch (quite a lot
activity in the last two months, I have noticed). In particular, the new
function mdb_get_aliases now also uses the global size variables for IDL
dimensions, rather than the previous CPP constants.
Had a customer who was hitting this issue try out these patches -- It
greatly decreases the search time (from unknown/infinite to 1 minute).
Unfortunately slapd then segv's. Working on getting a test database to
reproduce the issue with for a good backtrace.
--Quanah
--
Quanah Gibson-Mount
Product Architect
Symas Corporation
Packaged, certified, and supported LDAP solutions powered by OpenLDAP:
<http://www.symas.com>
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quanah＠symas.com