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https://issues.apache.org/jira/browse/SOLR-13337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Morten Bøgeskov updated SOLR-13337:
-----------------------------------
Attachment: (was:
0001-SOLR-13337-Avoid-requesting-unneeded-terms-from-shar.patch)
> TermsComponent sharded and terms.sort=index performance
> -------------------------------------------------------
>
> Key: SOLR-13337
> URL: https://issues.apache.org/jira/browse/SOLR-13337
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SearchComponents - other
> Affects Versions: 7.7
> Environment: Linux 64bit debian
> 20-node cluster
> Reporter: Morten Bøgeskov
> Priority: Minor
> Attachments:
> 0001-SOLR-13337-Avoid-requesting-unneeded-terms-from-shar.patch,
> SOLR-13337.patch
>
>
> When the TermsComponet distributes across all shards, all (terms.limit=-1)
> are returned.
> This ought not to be needed when using terms.sort=index.
> When using terms.lower=a in small test base (400k entries) it took 8.5-11.5s
> to do a
> /terms?terms.fl=register&terms.sort=index&terms.lower=a I did not try it on
> production data (10x)
> I do get the reason for getting all terms when sorting by count, however when
> sorting by index, no more than the terms.limit number rows is required from
> any shard. Most likely some will get discarded due to presence in more than
> one shard. Given no term.min/maxcount (which definetely throws a spanner in
> the works).
>
> I've attached what I think would do the trick.
> I haven't actually tested the patch (it compiles, however some other files in
> the checkout I have doesn't: ant compile, javac: "error: cannot find symbol")
>
> Might be somewhat related issue (SOLR-2908). I didn't quite get the more
> subtle information in it.
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