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Krzysztof Watral edited comment on SOLR-13141 at 1/16/19 2:10 PM: ------------------------------------------------------------------ problem can be related with SOLR-12998 (same errors in logs), but in current case it's not a race condition was (Author: kwatral): problem can be related with SOLR-12998 (same errors in logs), but in this case, this is not a race condition > replicationFactor param cause problems with CDCR > ------------------------------------------------ > > Key: SOLR-13141 > URL: https://issues.apache.org/jira/browse/SOLR-13141 > Project: Solr > Issue Type: Bug > Security Level: Public(Default Security Level. Issues are Public) > 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 > Priority: Critical > Attachments: 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} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org