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https://issues.apache.org/jira/browse/SOLR-4816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13782890#comment-13782890
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Shalin Shekhar Mangar commented on SOLR-4816:
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bq, When an exception is thrown from one of the routed servers the batch will
terminate on that server. So each URL in RouteException should have only one
exception.
Great, thanks for clarifying that.
bq, Let's make a new issue to make these public in 4.6.
+1
> Add document routing to CloudSolrServer
> ---------------------------------------
>
> Key: SOLR-4816
> URL: https://issues.apache.org/jira/browse/SOLR-4816
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Affects Versions: 4.3
> Reporter: Joel Bernstein
> Assignee: Mark Miller
> Priority: Minor
> Fix For: 4.5, 5.0
>
> Attachments: RequestTask-removal.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch,
> SOLR-4816.patch, SOLR-4816.patch, SOLR-4816.patch, SOLR-4816-sriesenberg.patch
>
>
> This issue adds the following enhancements to CloudSolrServer's update logic:
> 1) Document routing: Updates are routed directly to the correct shard leader
> eliminating document routing at the server.
> 2) Optional parallel update execution: Updates for each shard are executed in
> a separate thread so parallel indexing can occur across the cluster.
> These enhancements should allow for near linear scalability on indexing
> throughput.
> Usage:
> CloudSolrServer cloudClient = new CloudSolrServer(zkAddress);
> cloudClient.setParallelUpdates(true);
> SolrInputDocument doc1 = new SolrInputDocument();
> doc1.addField(id, "0");
> doc1.addField("a_t", "hello1");
> SolrInputDocument doc2 = new SolrInputDocument();
> doc2.addField(id, "2");
> doc2.addField("a_t", "hello2");
> UpdateRequest request = new UpdateRequest();
> request.add(doc1);
> request.add(doc2);
> request.setAction(AbstractUpdateRequest.ACTION.OPTIMIZE, false, false);
> NamedList response = cloudClient.request(request); // Returns a backwards
> compatible condensed response.
> //To get more detailed response down cast to RouteResponse:
> CloudSolrServer.RouteResponse rr = (CloudSolrServer.RouteResponse)response;
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