Jens Bo Rasmussen created SOLR-3420:
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Summary: Data is not replicated from replica slices to leader
slices
Key: SOLR-3420
URL: https://issues.apache.org/jira/browse/SOLR-3420
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 1 replica
Reporter: Jens Bo Rasmussen
Fix For: 4.1
Scenario: ensure that data is not lost when leader slices and replica slices
switch roles due to an untimely restart of both nodes
Given a SolrCloud cluster is running with
number of nodes: 2
number of slices per node: 1
number of documents in leader slice1_shard1 on first Solr node: 1
number of documents in replica slice1_shard2 on second Solr node: 1
number of documents in leader slice2_shard1 on first Solr node: 1
number of documents in replica slice2_shard2 on second Solr node: 1
And the second node is stopped
And x new documents are added to the first node with leader slices
And the first node with leader slices is stopped
When the second node with replica slices is started and the replica slices
become leader slices
And the first node with leader slices is started and the leader slices become
replica slices
Then I would expect that the SolrCloud cluster is running with
number of nodes: 2
number of slices per node: 1
number of documents in replica slice1_shard1 on first Solr node: 1+x
number of documents in leader slice1_shard2 on second Solr node: 1+x
number of documents in replica slice2_shard1 on first Solr node: 1+x
number of documents in leader slice2_shard2 on second Solr node: 1+x
Testresult: data is not replicated
number of servers (Solr nodes): 2
number of slices per node: 1
number of replica per slice: 1
number of documents in replica slice1_shard1 on first Solr node: 1+x
number of documents in leader slice1_shard2 on second Solr node: 1
number of documents in replica slice2_shard1 on first Solr node: 1+x
number of documents in leader slice2_shard2 on second Solr node: 1
==> data is not replicated from replica slices to leader slices
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