Vladimir Yudovin created CASSANDRA-13079:
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Summary: Repair doesn't work after several replication factor
changes
Key: CASSANDRA-13079
URL: https://issues.apache.org/jira/browse/CASSANDRA-13079
Project: Cassandra
Issue Type: Bug
Components: Core
Environment: Debian
Reporter: Vladimir Yudovin
Priority: Critical
Scenario:
Start two nodes cluster.
Create keyspace with rep.factor *one*:
CREATE KEYSPACE rep WITH replication = {'class': 'SimpleStrategy',
'replication_factor': 1};
CREATE TABLE rep.data (str text PRIMARY KEY );
INSERT INTO rep.data (str) VALUES ( 'qwerty');
Run *nodetool flush* on all nodes. On one of them table files are created.
Change replication factor to *two*:
ALTER KEYSPACE rep WITH replication = {'class': 'SimpleStrategy',
'replication_factor': 2};
Run repair, then *nodetool flush* on all nodes. On all nodes table files are
created.
Change replication factor to *one*:
ALTER KEYSPACE rep WITH replication = {'class': 'SimpleStrategy',
'replication_factor': 1};
Then *nodetool cleanup*, only on initial node remained data files.
Change replication factor to *two* again:
ALTER KEYSPACE rep WITH replication = {'class': 'SimpleStrategy',
'replication_factor': 2};
Run repair, then *nodetool flush* on all nodes. No data files on second node
(though expected, as after first repair/flush).
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