Jim Witschey created CASSANDRA-12296:
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Summary: system_auth can't be rebuilt by default
Key: CASSANDRA-12296
URL: https://issues.apache.org/jira/browse/CASSANDRA-12296
Project: Cassandra
Issue Type: Bug
Reporter: Jim Witschey
This came up in discussion of CASSANDRA-11687. {{nodetool rebuild}} was failing
in a dtest. [~pauloricardomg] explained:
bq. before [CASSANDRA-11848] the local node could be considered a source, while
now sources are restricted only to dc2, so since {{system_auth}} uses
{{SimpleStrategy}} depending on the token arrangement there could or not be
sources from dc2. Fix is to either use
{{-Dcassandra.consistent.rangemovement=false}} or update {{system_auth}} to use
{{NetworkTopologyStrategy}} with 2 dcs..
This is, at the very least, a UX bug. When {{rebuild}} fails, it fails with
{code}
nodetool: Unable to find sufficient sources for streaming range
(-3287869951390391138,-1624006824486474209] in keyspace system_auth with
RF=1.If you want to ignore this, consider using system property
-Dcassandra.consistent.rangemovement=false.
{code}
which suggests that a user should give up consistency guarantees when it's not
necessary.
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