[jira] Resolved: (IVY-817) If DNS is playing up, Ivy takes a lot longer to sort project dependencies

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IVY-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran resolved IVY-817.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0-RC1

This is fixed in SVN head...there may be a delay in the first sort, but after that it flies. 

BUILD SUCCESSFUL - at 19/05/08 18:35
Total time: 2 minutes 30 seconds

Caching may even provide a slight speedup for everyone, if the JDK is recalculating the hostname every time it is asked.

> If DNS is playing up, Ivy takes a lot longer to sort project dependencies
> -------------------------------------------------------------------------
>
>                 Key: IVY-817
>                 URL: https://issues.apache.org/jira/browse/IVY-817
>             Project: Ivy
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.0-beta-2
>         Environment: Ubuntu 8.04 with messed up DNS
>            Reporter: Steve Loughran
>             Fix For: 2.0-RC1
>
>
> I've just upgraded to Ubuntu 8.04, and for reasons I dont fully understand. DNS is now very patchy; long pauses before responses coming in
> running at -d level, the pauses happen after printing all the pauses, finishing when the Sort dependencies response comes in
> [ivy-projects] Module descriptor is processed : org.smartfrog#sf-tasks;working@k2
> [ivy-projects] Module descriptor is processed : org.smartfrog#smartfrog;working@k2
> //insert 30s pause here
> [ivy-projects] Sort dependencies of : org.smartfrog#sf-m32;working@k2 / Number of dependencies = 9
> During resolution, the delay happens after the sort
> [ivy:resolve] Module descriptor is processed : org.apache.ant#ant;1.7.0
> [ivy:resolve] Sort done for : org.apache.ant#ant-apache-regexp;1.7.0
> [ivy:resolve] Sort dependencies of : org.apache.ant#ant-apache-resolver;1.7.0 / Number of dependencies = 3
> //here is where the delay is
> [ivy:resolve] Module descriptor is processed : org.apache.ant#ant;1.7.0
> [ivy:resolve] Sort done for : org.apache.ant#ant-apache-resolver;1.7.0
> [ivy:resolve] Sort dependencies of : org.apache.ant#ant-commons-logging;1.7.0 / Number of dependencies = 3
> -I'm not sure why dns/rdns should be needed during a sort, unless remote repositories are being polled. I'm also surprised, as java caches DNS responses by default. 

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