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https://issues.apache.org/jira/browse/SOLR-4587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15742612#comment-15742612
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Hemant Purswani commented on SOLR-4587:
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Hi Joel,
Yeah, I wasn't sure if I was supposed to post my questions on this jira or on
reference guide, so I ended up posting it on both :). Thanks for getting back
to me. I have couple of questions related to your post.
1) You mentioned that "The issue here is that it's possible that an out of
order version number could persist across commits."
Is the above possible even if I am using optimistic concurrency
(http://yonik.com/solr/optimistic-concurrency/) to write documents on Solr?
2) Query subscription is going be critical part of my project and our
subscribers won't be able to afford loss of alerts. What can I do to make sure
that there is not loss of alerts. As long as I get error message whenever there
is failure, I will make sure that my system re-tries/replays indexing that
specific document.
3) Do you happen to have any stats about possibility of data loss in Solr. How
often does that happen? Are there any best practices that we can follow to
avoid it?
4) In general, are stream expressions robust enough to be used in production?
5) Is there any more deep dive documentation about topic(). I would love to
know its stats for query volume as big as ours (9-10 million). Or, I would love
to know how its working internally.
Thanks again,
Hemant
> Implement Saved Searches a la ElasticSearch Percolator
> ------------------------------------------------------
>
> Key: SOLR-4587
> URL: https://issues.apache.org/jira/browse/SOLR-4587
> Project: Solr
> Issue Type: New Feature
> Components: SearchComponents - other, SolrCloud
> Reporter: Otis Gospodnetic
> Fix For: 6.0
>
>
> Use Lucene MemoryIndex for this.
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