After a minor compaction, deleted key-slices are visible again
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Key: CASSANDRA-2786
URL: https://issues.apache.org/jira/browse/CASSANDRA-2786
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 0.8.0
Environment: Single node with empty database
Reporter: rene kochen
After a minor compaction, deleted key-slices are visible again.
Steps to reproduce:
1) Insert a row named "test".
2) Insert 500000 rows. During this step, "test" is included in a major
compaction.
3) Delete row named "test".
4) Insert 500000 rows. During this step, "test" is included in a minor
compaction.
After step 4, row "test" is live again.
Test environment:
Single node with empty database.
Standard configured super-column-family (I see this behavior with several
gc_grace settings (big and small values):
create column family Customers with column_type = 'Super' and comparator =
'BytesType;
In Cassandra 0.7.6 I observe the expected behavior, i.e. after step 4, the row
is still deleted.
I've included a .NET program to reproduce the problem. I will add a Java
version later on.
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