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SOLR-14702: Fix ref-guide images to use leader-follower terms. (#149)
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HoustonPutman committed May 25, 2021
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Expand Up @@ -23,7 +23,7 @@ The idea is to combine distributed search with replication. As shown in the figu
Query requests should be load balanced across each of the shard followers. This gives you both increased query handling capacity and fail-over backup if a server goes down.

.A Solr configuration combining both replication and leader-follower distribution.
image::images/combining-distribution-and-replication/worddav4101c16174820e932b44baa22abcfcd1.png[image,width=312,height=344]
image::images/combining-distribution-and-replication/distributed-replication.png[image,width=312,height=344]


None of the leader shards in this configuration know about each other. You index to each leader, the index is replicated to each follower, and then searches are distributed across the followers, using one follower from each leader/follower shard.
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2 changes: 1 addition & 1 deletion solr/solr-ref-guide/src/index-replication.adoc
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Expand Up @@ -21,7 +21,7 @@ Index Replication distributes complete copies of a leader index to one or more f
The figure below shows a Solr configuration using index replication. The leader server's index is replicated on the followers.

.A Solr index can be replicated across multiple follower servers, which then process requests.
image::images/index-replication/worddav2b7e14725d898b4104cdd9c502fc77cd.png[image,width=159,height=235]
image::images/index-replication/leader-follower-replication.png[image,width=203,height=235]


== Index Replication in Solr
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