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Jeff Jirsa commented on CASSANDRA-14129: ---------------------------------------- The version you note ( 2.0.17 ) is EOL. Have you tried to reproduce this error on a supported version? 2.1.19 being the absolute oldest that's still getting patches? > BatchStatement (LOGGED BATCH) fails: Not enough replica available for query > at consistency ONE (1 required but only 0 alive) > ---------------------------------------------------------------------------------------------------------------------------- > > Key: CASSANDRA-14129 > URL: https://issues.apache.org/jira/browse/CASSANDRA-14129 > Project: Cassandra > Issue Type: Bug > Reporter: Erik Scheuter > > In our test-cluster I get the error "Not enough replica available for query > at consistency ONE (1 required but only 0 alive)" when 1 node is down and a > BatchStatement is used. By default it uses LOGGED BATCHES and > DCAwareRoundRobinPolicy. > We have 2 DC's, 4 nodes and a RF 2:2. Write Consistency of QUORUM (*not* > LOCAL QUORUM). > I noticed as soon as the driver marked the LocalDC containing the one with > the node down, this error occurs. If the other DC is marked as the LocalDC, > everything works as expected. > The issue https://issues.apache.org/jira/browse/CASSANDRA-7870 points to the > comment from Olivier Michallat at > [StackOverflow|https://stackoverflow.com/questions/26015282/cassandra-not-enough-replica-available-java-driver-behaviour-different-from-c]: > _This batch log must be replicated to at least one replica other than the > coordinator, otherwise that would defeat the above mechanism._ > I think it needs an other replica in the same DC. > These constraints can lead to downtime, so I expect them to find in the > documentation (and a more detailed error message). > Used: > Cassandra 2.0.17 > Datastax-driver 3.3.0 -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org