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Gregg Donovan commented on SOLR-2701: ------------------------------------- We (Etsy) are interested in this issue for the same use-case that Eks Dev mentions -- passing around timestamps and other meta-data for use by incremental indexers. We currently write out and replicate custom property files for this -- using commitUserData would be preferable. It seems like another use-case the commitUserData could be useful for is doing an empty commit that actually triggered replication, as the updated commitUserData will cause the segments file to be updated. For our purposes, we'd just be using CommitUpdateCommand and DUH2 as our interfaces for writing the commitUserData, but exposing commitUserData to the SolrJ/HTTP interfaces does seem like a nice feature. I wonder where it would be useful to expose reading the commitUserData via SolrJ/HTTP as right now you still need low-level code to extract the commitUserData from an IndexReader. Perhaps stats.jsp could expose each key in the commitUserData as a stat? > Expose IndexWriter.commit(Map<String,String> commitUserData) to solr > --------------------------------------------------------------------- > > Key: SOLR-2701 > URL: https://issues.apache.org/jira/browse/SOLR-2701 > Project: Solr > Issue Type: New Feature > Components: update > Affects Versions: 4.0 > Reporter: Eks Dev > Assignee: Erick Erickson > Priority: Minor > Labels: commit, update > Attachments: SOLR-2701.patch > > Original Estimate: 8h > Remaining Estimate: 8h > > At the moment, there is no feature that enables associating user information > to the commit point. > > Lucene supports this possibility and it should be exposed to solr as well, > probably via beforeCommit Listener (analogous to prepareCommit in Lucene). > Most likely home for this Map to live is UpdateHandler. > Example use case would be an atomic tracking of sequence numbers or > timestamps for incremental updates. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org