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From "Shalin Shekhar Mangar (JIRA)" <>
Subject [jira] [Commented] (SOLR-2610) Add an option to delete index through CoreAdmin UNLOAD action
Date Fri, 24 Jun 2011 13:26:47 GMT


Shalin Shekhar Mangar commented on SOLR-2610:

bq. where do you mention how this helps with SolrCloud?

I didn't and I'm sorry about that. I was just trying to tell you my perspective. These are
small pieces that need to be fixed before tackling larger problems in SolrCloud and this one
seemed generally useful and simple enough by itself that I opened the issue without giving
the bigger picture. Some of the other pieces are captured in SOLR-2595

bq. Why are you deleting cores only to add them back again with the same config?

Hopefully SOLR-2595 will give you a better idea of what I was thinking. The use-case is to
split and migrate pieces of an index and this issue will help in deleting the leftover temporary

bq. Do you really think it's inconsistent to actually be able to delete something?
The inconsistency is to be able to delete a configuration file when there is no way to add
it back but I'm not against the feature in general.

bq. Does it really seem like a weird use case to say, I want to delete a SolrCore I no longer
have an interest in?
Absolutely not. If you want that feature, that's fine. You don't need permissions to put up
a patch and commit it :)

bq. Looks like a few people have an interest in this issue, so I'm not sure why you rammed
it in so quickly.

The issue clearly talks about deleting index on unload and that's what it does. And I got
a +1 from you and Jason on the topic of the issue (or at least, that's what I assumed). I
waited a day to commit - would you like me to wait longer for future issues or leave a comment
to that effect? If the patch is not what you intended, go ahead and reopen/extend the scope
of the issue or open another issue.

> Add an option to delete index through CoreAdmin UNLOAD action
> -------------------------------------------------------------
>                 Key: SOLR-2610
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: multicore
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Shalin Shekhar Mangar
>            Priority: Minor
>             Fix For: 3.3, 4.0
>         Attachments: SOLR-2610-branch3x.patch, SOLR-2610.patch
> Right now, one can unload a Solr Core but the index files are left behind and consume
disk space. We should have an option to delete the index when unloading a core.

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