Amrit Sarkar created SOLR-11467:
-----------------------------------

             Summary: 
CdcrBootstrapTest::testBootstrapWithContinousIndexingOnSourceCluster Failure
                 Key: SOLR-11467
                 URL: https://issues.apache.org/jira/browse/SOLR-11467
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: CDCR
    Affects Versions: master (8.0)
            Reporter: Amrit Sarkar


CdcrBootstrapTest is still failing in master and other branches with:
{code}
[junit4] FAILURE  130s J1 | 
CdcrBootstrapTest.testBootstrapWithContinousIndexingOnSourceCluster <<<
   [junit4]    > Throwable #1: java.lang.AssertionError: Document mismatch on 
target after sync expected:<2000> but was:<1901>
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([41753A7BCCA7C778:953071222BF17483]:0)
   [junit4]    >        at 
org.apache.solr.cloud.CdcrBootstrapTest.testBootstrapWithContinousIndexingOnSourceCluster(CdcrBootstrapTest.java:309)
   [junit4]    >        at java.lang.Thread.run(Thread.java:748)
{code}

ref: https://jenkins.thetaphi.de/job/Lucene-Solr-7.0-Linux/423/

>From one of the failed Solr jenkins log:

   [junit4]   2> 1143166 INFO  
(cdcr-replicator-4421-thread-1-processing-n:127.0.0.1:62832_solr 
x:cdcr-source_shard1_replica_n1 s:shard1 c:cdcr-source r:core_node2) 
[n:127.0.0.1:62832_solr c:cdcr-source s:shard1 r:core_node2 
x:cdcr-source_shard1_replica_n1] o.a.s.h.CdcrReplicator Forwarded 991 updates 
to target cdcr-target
   [junit4]   2> 1144176 INFO  
(cdcr-replicator-4421-thread-1-processing-n:127.0.0.1:62832_solr 
x:cdcr-source_shard1_replica_n1 s:shard1 c:cdcr-source r:core_node2) 
[n:127.0.0.1:62832_solr c:cdcr-source s:shard1 r:core_node2 
x:cdcr-source_shard1_replica_n1] o.a.s.h.CdcrReplicator Forwarded 909 updates 
to target cdcr-target
   [junit4]   2> 1145118 INFO  
(cdcr-replicator-4421-thread-1-processing-n:127.0.0.1:62832_solr 
x:cdcr-source_shard1_replica_n1 s:shard1 c:cdcr-source r:core_node2) 
[n:127.0.0.1:62832_solr c:cdcr-source s:shard1 r:core_node2 
x:cdcr-source_shard1_replica_n1] o.a.s.h.CdcrReplicator Forwarded 0 updates to 
target cdcr-target

Total 1900 updates were sent, instead of 2000. Ideally the bootstrap process is 
responsible for 1000, and normal cdc replication is responsble for 1000. On 
looking closely, the bootstrap is completed successfully. We are 100% sure 
here, bootstrap worked w/o any issue. And still 1900 updates were sent via 
replicator, instead of 1000. 



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