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https://issues.apache.org/jira/browse/SOLR-12693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16589615#comment-16589615
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Varun Thacker commented on SOLR-12693:
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We expose this metric which we could leverage for displaying tlog information
{code:java}
TLOG.replay.remaining.bytes":0{code}
> Show replica recovery percentage in the UI
> ------------------------------------------
>
> Key: SOLR-12693
> URL: https://issues.apache.org/jira/browse/SOLR-12693
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Admin UI
> Reporter: Varun Thacker
> Priority: Major
> Attachments: graph_view.png
>
>
> A full recovery can take time if indexes are large - It involves two phases
> a> downloading the index and b> replaying the tlog
> When a replica is recovering showing the percentage that the replica has
> recovered by would be a very useful stat to know.
> Display two tags when a node is in fully recovery
> # state : full_recovery or tlog_replay
> # percentage: this can be calculated for both phases
> Attaching a graph view screenshot for reference. Everything is in green state
> but the proposal is to add this information when a replica is recovering
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