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https://issues.apache.org/jira/browse/DIRSERVER-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kiran Ayyagari closed DIRSERVER-1965.
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Resolution: Fixed
Fix Version/s: 2.0.0-M18
This fix gave significant performance gain.
> An Index should speed up searches starting with '*'
> ---------------------------------------------------
>
> Key: DIRSERVER-1965
> URL: https://issues.apache.org/jira/browse/DIRSERVER-1965
> Project: Directory ApacheDS
> Issue Type: Improvement
> Components: ldap
> Affects Versions: 2.0.0-M16
> Environment: NA
> Reporter: Ernst Bech
> Assignee: Kiran Ayyagari
> Priority: Blocker
> Fix For: 2.0.0-M18
>
>
> As of now an index will speed up searches for an exact match string and a
> substring ending with a "*".
> It does NOT currently speed up searches starting with a "*", which is what we
> need to be implemented.
> Example: in our unified messaging application - when we receive an incoming
> call - we have to find a user whose telephone number ends with the digits
> signaled to us by the telephone network.
> Let's say a user has a telephone number +49(777)12345678. The telephone
> network only signals its extension 678. We thus search for *678 to get a list
> of possible users and by applying some extra magic we are able to pick the
> right one.
> The problem is: we need to do this fast, because taking the call depends on
> it.
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