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From: "Hoss Man (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (SOLR-4661) Index Version & Gen Number out of sync
 on Admin UI
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     [ https://issues.apache.org/jira/browse/SOLR-4661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hoss Man updated SOLR-4661:
---------------------------

    Attachment: SOLR-4661.patch

Here's a patch that updates the Admin UI Replication screen to distinguish the difference between what is currently searchable on the master, and what is currently replicatable.

differences are highlighted on the slave only if it differs from what is replicatable on the master (not what is searchable) so this should hopefully help reduce confusion.

Concerns i still have with this patch...

1) [~steffkes]: please ensure i didn't butcher the admin UI js too badly ... i think i've covered all the edge cases.
2) "Replicatable" is not a word, but using "Replicable" doesn't have the right definition ... is there a different word we should use here, or should we just do our part to _make_ Replicatable a word?
                
> Index Version & Gen Number out of sync on Admin UI
> --------------------------------------------------
>
>                 Key: SOLR-4661
>                 URL: https://issues.apache.org/jira/browse/SOLR-4661
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java), web gui
>    Affects Versions: 4.2
>         Environment: Solr 4.2 on Linux with JBoss 7.1.1, JDK 1.7
>            Reporter: Aditya
>              Labels: gui, replication, web
>         Attachments: hoss_test.zip, IndexVersionSyncIssue.jpg, SOLR-4661.patch
>
>
> Index and Gen number on Slave is higher than master. 
> If you apply commit on master with no pending docs then the commit time stamp and gen is incremented. When Slaves polls master for replication it see the index version difference and starts replicating but all files are skipped. 
> On Admin UI (on Slaves) the version number displayed for master is old where as for slave is the latest which is higher than master.
> Below is the response from master (/replication?command=details) where i see two different Version an Gen numbers. This creates confusion of having version out of sync, though its not. 
> <response>
> <lst name="responseHeader">
> <int name="status">0</int>
> <int name="QTime">1</int>
> </lst>
> <lst name="details">
> <str name="indexSize">1.52 GB</str>
> <str name="indexPath">/storage/solrdata/index/</str>
> <arr name="commits">
> <lst>
> <long name="indexVersion">{color:red}1364835609803{color}</long>
> <long name="generation">{color:red}34{color}</long>
> <arr name="filelist">...</arr>
> </lst>
> </arr>
> <str name="isMaster">true</str>
> <str name="isSlave">false</str>
> <long name="indexVersion">{color:red}1364778010902{color}</long>
> <long name="generation">{color:red}31{color}</long>
> <lst name="master">
> <str name="confFiles">schema.xml</str>
> <arr name="replicateAfter">
> <str>commit</str>
> <str>startup</str>
> </arr>
> <str name="replicationEnabled">true</str>
> <long name="replicatableGeneration">34</long>
> </lst>
> </lst>
> <str name="WARNING">
> This response format is experimental. It is likely to change in the future.
> </str>
> </response>

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