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From "Adam Holmberg (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-8487) system.schema_columns sometimes missing for 'system' keyspace
Date Mon, 15 Dec 2014 20:43:13 GMT
Adam Holmberg created CASSANDRA-8487:

             Summary: system.schema_columns sometimes missing for 'system' keyspace
                 Key: CASSANDRA-8487
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Adam Holmberg
            Priority: Minor

Occasionally a Cassandra node will have missing schema_columns information where keyspace_name='system'.

cqlsh> select * from system.schema_columns where keyspace_name='system';

 keyspace_name | columnfamily_name | column_name

(0 rows)

All keyspace and column family schema info is present for 'system' -- it's only the column
information missing.

This can occur on an existing cluster following node restart. The data usually appears again
after bouncing the node.

This is impactful to client drivers that expect column meta for configured tables.

Reproducible in 2.1.2. Have not seen it crop up in 2.0.11.

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