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Posted to issues@lucene.apache.org by "Jonathan J Senchyna (Jira)" <ji...@apache.org> on 2019/10/22 20:28:00 UTC
[jira] [Comment Edited] (SOLR-13141) CDCR bootstrap does not
replicate index to the replicas of target cluster
[ https://issues.apache.org/jira/browse/SOLR-13141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16957332#comment-16957332 ]
Jonathan J Senchyna edited comment on SOLR-13141 at 10/22/19 8:27 PM:
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As a temporary workaround, it bootstrapping with 1 replica, and then scaling out to multiple replicas after CDCR is enabled appears to work.
was (Author: jsench):
As a temporary workaround, it appears that bootstrapping with 1 replica, and then scaling out to multiple replicas after CDCR is enabled appears to work.
> CDCR bootstrap does not replicate index to the replicas of target cluster
> -------------------------------------------------------------------------
>
> Key: SOLR-13141
> URL: https://issues.apache.org/jira/browse/SOLR-13141
> Project: Solr
> Issue Type: Bug
> Components: CDCR
> Affects Versions: 7.5, 7.6
> Environment: This is system independent problem - exists on windows and linux - reproduced by independent developers
> Reporter: Krzysztof Watral
> Assignee: Shalin Shekhar Mangar
> Priority: Critical
> Fix For: master (9.0), 8.3
>
> Attachments: SOLR-13141.patch, SOLR-13141.patch, type 1 - replication wasnt working at all.txt, type 2 - only few documents were being replicated.txt
>
>
> i have encountered some problems with CDCR that are related to the value of {{replicationFactor}} param.
> I ran the solr cloud on two datacenters with 2 nodes on each:
> * dca:
> ** dca_node_1
> ** dca_node_2
> * dcb
> ** dcb_node_1
> ** dcb_node_2
> Then in sequence:
> * I configured the CDCR on copy of *_default* config set named *_default_cdcr*
> * I created collection "customer" on both DC from *_default_cdcr* config set with the following parameters:
> ** {{numShards}} = 2
> ** {{maxShardsPerNode}} = 2
> ** {{replicationFactor}} = 2
> * I disabled cdcr buffer on collections
> * I ran CDCR on both DC
> CDCR has started without errors in logs. During indexation I have encountered problem [^type 2 - only few documents were being replicated.txt], restart didn't help (documents has not been synchronized between DC )
> Then:
> * I stopped CDCR on both DC
> * I stopped all solr nodes
> * I restarted zookeepers on both DC
> * I started all solr nodes one by one
> * few minutes later I stared CDCR on both DC
> * CDCR has starded with errors (replication between DC is not working) - [^type 1 - replication wasnt working at all.txt]
> {panel}
> I've also discovered that problems appears only in case, when the {{replicationFactor}} parameter is higher than one
> {panel}
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