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https://issues.apache.org/jira/browse/SOLR-561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12641412#action_12641412
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Yonik Seeley commented on SOLR-561:
-----------------------------------
Snappuller should use getNewestSearcher() rather than getSearcher() to avoid
pulling the same snapshot more than once if warming takes a long time.
> Solr replication by Solr (for windows also)
> -------------------------------------------
>
> Key: SOLR-561
> URL: https://issues.apache.org/jira/browse/SOLR-561
> Project: Solr
> Issue Type: New Feature
> Components: replication
> Affects Versions: 1.4
> Environment: All
> Reporter: Noble Paul
> Assignee: Shalin Shekhar Mangar
> Fix For: 1.4
>
> Attachments: deletion_policy.patch, SOLR-561-core.patch,
> SOLR-561-full.patch, SOLR-561-full.patch, SOLR-561-full.patch,
> SOLR-561-full.patch, SOLR-561.patch, SOLR-561.patch, SOLR-561.patch,
> SOLR-561.patch, SOLR-561.patch, SOLR-561.patch, SOLR-561.patch,
> SOLR-561.patch, SOLR-561.patch, SOLR-561.patch, SOLR-561.patch
>
>
> The current replication strategy in solr involves shell scripts . The
> following are the drawbacks with the approach
> * It does not work with windows
> * Replication works as a separate piece not integrated with solr.
> * Cannot control replication from solr admin/JMX
> * Each operation requires manual telnet to the host
> Doing the replication in java has the following advantages
> * Platform independence
> * Manual steps can be completely eliminated. Everything can be driven from
> solrconfig.xml .
> ** Adding the url of the master in the slaves should be good enough to enable
> replication. Other things like frequency of
> snapshoot/snappull can also be configured . All other information can be
> automatically obtained.
> * Start/stop can be triggered from solr/admin or JMX
> * Can get the status/progress while replication is going on. It can also
> abort an ongoing replication
> * No need to have a login into the machine
> * From a development perspective, we can unit test it
> This issue can track the implementation of solr replication in java
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