[jira] [Resolved] (SOLR-15986) CommitUpdateCommand and SplitIndexCommand can write user commit metadata

["Bruno Roustant (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-15986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bruno Roustant resolved SOLR-15986.
-----------------------------------
    Resolution: Fixed

Thanks David for the review!

> CommitUpdateCommand and SplitIndexCommand can write user commit metadata
> ------------------------------------------------------------------------
>
>                 Key: SOLR-15986
>                 URL: https://issues.apache.org/jira/browse/SOLR-15986
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Bruno Roustant
>            Priority: Major
>             Fix For: 9.1
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> Even if it is possible in Lucene to store user custom metadata (string key-value pairs) in each commit, Solr CommitUpdateCommand does not support that.
> Internally SolrIndexWriter.setCommitData sets commit time and commit command version, but it does not support writing user data.
> The idea here is to add a commitData field in CommitUpdateCommand, which would be stored in SolrIndexWriter.setCommitData. Later, the commit data can be retrieved with SegmentInfos.readLatestCommit(dir).getUserData().



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