Markus Jelsma created SOLR-3473:
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Summary: Distributed deduplication broken
Key: SOLR-3473
URL: https://issues.apache.org/jira/browse/SOLR-3473
Project: Solr
Issue Type: Bug
Components: SolrCloud, update
Affects Versions: 4.0
Reporter: Markus Jelsma
Fix For: 4.0
Solr's deduplication via the SignatureUpdateProcessor is broken for distributed
updates on SolrCloud.
Mark Miller:
{quote}
Looking again at the SignatureUpdateProcessor code, I think that indeed this
won't currently work with distrib updates. Could you file a JIRA issue for
that? The problem is that we convert update commands into solr documents - and
that can cause a loss of info if an update proc modifies the update command.
I think the reason that you see a multiple values error when you try the other
order is because of the lack of a document clone (the other issue I mentioned a
few emails back). Addressing that won't solve your issue though - we have to
come up with a way to propagate the currently lost info on the update command.
{quote}
Please see the ML thread for the full discussion:
http://lucene.472066.n3.nabble.com/SolrCloud-deduplication-td3984657.html
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