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https://issues.apache.org/jira/browse/SOLR-11127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17061172#comment-17061172
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Andrzej Bialecki commented on SOLR-11127:
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Thanks Ishan, I'm glad this is useful!
I'm curious what is the use case for reindexing only a single shard? There's
currently no easy way to express this kind of selection, unless you use a
custom DocRouter (then you can specify the selecting query for the source
collection using {{q=id:something*}} ). You can open a new Jira for this and
describe the use case there.
> REINDEXCOLLECTION command for re-indexing existing collections
> --------------------------------------------------------------
>
> Key: SOLR-11127
> URL: https://issues.apache.org/jira/browse/SOLR-11127
> Project: Solr
> Issue Type: Task
> Reporter: Steven Rowe
> Assignee: Andrzej Bialecki
> Priority: Blocker
> Labels: numeric-tries-to-points
> Fix For: 8.1, master (9.0)
>
> Attachments: SOLR-11127.patch, SOLR-11127.patch, SOLR-11127.patch,
> SOLR-11127.patch
>
>
> SOLR-11119 will switch the Trie fieldtypes in the .system collection's schema
> to Points.
> Users with pre-7.0 .system collections will no longer be able to use them
> once Trie fields have been removed (8.0).
> Solr should provide a Collections API command MIGRATESYSTEMCOLLECTION to
> automatically convert a Trie-based .system collection to a Points-based one.
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