Hervé Toulan created CASSANDRA-6817:
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Summary: Update gc_grace not taken into account
Key: CASSANDRA-6817
URL: https://issues.apache.org/jira/browse/CASSANDRA-6817
Project: Cassandra
Issue Type: Bug
Components: API
Environment: Red Hat Enterprise Linux ES release 4 (Nahant update 8)
Reporter: Hervé Toulan
Fix For: 1.1.0
1 - connect cassandra using cassandra-cli [OK]
2 - select DB to use [OK]
3 - update column family with;
[default@BNPPFortis] update column family CallSafety with gc_grace=0;
5aa7f6fc-968d-3fa5-9e3a-6ece15fe9c15
Waiting for schema agreement...
... schemas agree across the cluster
4 - check modificatios with:
[default@BNPPFortis] show schema;
create column family CallSafety
with column_type = 'Super'
and comparator = 'UTF8Type'
and subcomparator = 'BytesType'
and default_validation_class = 'BytesType'
and key_validation_class = 'BytesType'
and read_repair_chance = 0.1
and dclocal_read_repair_chance = 0.0
and gc_grace = 864000
and min_compaction_threshold = 4
and max_compaction_threshold = 32
and replicate_on_write = true
and compaction_strategy =
'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy'
and caching = 'KEYS_ONLY'
and compression_options = {'sstable_compression' :
'org.apache.cassandra.io.compress.SnappyCompressor'};
5 - value is not taken into account [KO]
6 - inspect system.log:
INFO [MigrationStage:1] 2014-03-07 11:40:20,558 ColumnFamilyStore.java (line
634) Enqueuing flush of Memtable-schema_columnfamilies@24479498(1339/1673
serialized/live bytes, 21 ops)
INFO [FlushWriter:4] 2014-03-07 11:40:20,559 Memtable.java (line 266) Writing
Memtable-schema_columnfamilies@24479498(1339/1673 serialized/live bytes, 21 ops)
INFO [FlushWriter:4] 2014-03-07 11:40:20,571 Memtable.java (line 307)
Completed flushing
/opt/Alcatel/database/data/system/schema_columnfamilies/system-schema_columnfamilies-hc-38-Data.db
(1407 bytes)
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