Jens Bo Rasmussen created SOLR-3417:
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Summary: Data is not replicated when empty replica slices become
leader slices
Key: SOLR-3417
URL: https://issues.apache.org/jira/browse/SOLR-3417
Project: Solr
Issue Type: Bug
Components: replication (java)
Affects Versions: 4.0
Environment: Linux 2.6.32-29-server #58-Ubuntu SMP Fri Feb 11 21:06:51
UTC 2011 x86_64 GNU/Linux, Solr snapshot from 29th of February 2012, 2 Solr
machines with 1 slice each and 0 replica
Reporter: Jens Bo Rasmussen
Priority: Minor
Fix For: 4.1
Scenario: ensure that data is replicated when empty replica slices become
leader slices
Given a SolrCloud cluster is running with
# of servers (Solr nodes): 2
# of slices per node: 1
# of replica per slice: 0
# of documents in leader slice on first Solr node: 4
# of documents in leader slice on second Solr node: 1
When I configure each node with 1 replica per slice
And I stop all nodes
And I start the nodes one at a time
Then I would expect that the SolrCloud cluster is running with
# of servers (Solr nodes): 2
# of slices per node: 1
# of replica per slice: 1
# of documents in leader slice on first Solr node: 4
# of documents in replica slice on second Solr node: 4
# of documents in leader slice on first Solr node: 1
# of documents in replica slice on second Solr node: 1
Testresult: data is not replicated
# of servers (Solr nodes): 2
# of slices per node: 1
# of replica per slice: 1
# of documents in leader slice on first Solr node: 4
# of documents in replica slice on second Solr node: 0
# of documents in leader slice on first Solr node: 0
# of documents in replica slice on second Solr node: 1
When the first Solr node is started the added replica slices are declared
leaders (with 0 documents obviously)
When the second Solr node is started the slices which were previously leaders
are declared replica
And the data is not replicated from the leader slices to the replica slices or
vice versa
==> data is not replicated
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