[389-users] CoS imports slow
Edward "Koko" Konetzko
konetzed at quixoticagony.com
Thu Dec 3 05:12:13 UTC 2009
Rich Megginson wrote:
> Edward "Koko" Konetzko wrote:
>> I have a set of CoS objects I am importing in and their add times are
>> extremely slow about 1 a second.
> What platform? What 389-ds-base version? By import do you mean
> ldif2db or ldap add?
RHEL 5 64 bit, RHDS 8.1 and using ldapadd. Hardware is HP DL385 with 16
gigs of ram, raid1 for os and raid 10 for /var/lib/dirsrv. I have
tried with the import buffer(?) set to auto and 2 gigs.
>> There are about 500k objects in the directory currently and its
>> broken down in a hierarchical format.
>> A simple ASCII drawing would be.
>>
>> ou=top
>> |
>> - ou=First
>> |
>> + ou=Second
>> |
>> + cn=Final
>>
>>
>> This is representation of the data but for ease of explanation this
>> should work.
>>
>> There are lots of "First" object and they have the possibility of
>> lots of "second" objects. Its the also the same for "Second" object
>> they could have a lot of "Final" objects. The idea is to use CoS at
>> the First and Second level to reduce the amount look ups and
>> redundant data as final objects need some info from the second
>> objects and first objects.
>> Hopefully I explained that in a way it is easy to understand.
>>
>> My question is are CoS objects not supposed to be used this way?
>> Also are lots of CoS objects used in a hierarchical tree this way
>> bad? Is there a way to make these imports faster? And last am I
>> just doing something completely wrong and there is a better way that
>> I should work to my end goal.
>>
>> Thanks
>> Edward
>>
>>
>>
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>
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