SOLR 4.4 - Slave always replicates full index

[sureshrk19]

Hi,

I have configured single core master, slave nodes on 2 different machines.
The replication configuration is fine and it is working but, what I observed
is, on every change to master index full replication is being triggered on
slave. 
I was planning to get only incremental indexing done on every change.

*Master config:*

<requestHandler name="/replication" class="solr.ReplicationHandler">
      <lst name="master">
          <str name="replicateAfter">startup</str>
          <str name="replicateAfter">commit</str>
           <str name="confFiles">schema.xml,stopwords.txt,elevate.xml</str>
            <str name="commitReserveDuration">00:00:20</str>
     </lst>
       <str name="maxNumberOfBackups">1</str>
</requestHandler>

*Slave config:*

<requestHandler name="/replication" class="solr.ReplicationHandler" >
  <lst name="slave">
    <str name="masterUrl">http://<IP>:<Port>/solr/core0/replication</str>
    <str name="pollInterval">00:00:20</str>
  </lst>
</requestHandler>


What I observed is, the index directory name is appended with timestamp
i.e., /index.<timestamp>/ on slave instance. 

I have seen a similar issue on older version of SOLR and it is fixed in 4.2
(per description). So, not sure if this is related to the same.

https://issues.apache.org/jira/browse/SOLR-4471
http://lucene.472066.n3.nabble.com/Slaves-always-replicate-entire-index-amp-Index-versions-td4041256.html#a4041808


Any pointers would be highly appreciated.

Thanks,
Suresh



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