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From Hervé Toulan (JIRA) <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-6817) Update gc_grace not taken into account
Date Fri, 07 Mar 2014 10:47:42 GMT
Hervé Toulan created CASSANDRA-6817:
---------------------------------------

             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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