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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Update column family to SerializingCacheProvider not working
Date Mon, 21 Nov 2011 20:14:00 GMT
Yes, that's fixed for 0.8.8 in CASSANDRA-3414.

On Mon, Nov 21, 2011 at 1:18 PM, Edward Capriolo <edlinuxguru@gmail.com> wrote:
> Apache Cassandra 0.8.7. It seems that changing  row_cache_provider is a
> no-op. Or am I doing something wrong?
>
> [default@SegmentData] use SegmentData;
> Authenticated to keyspace: SegmentData
> [default@SegmentData] show schema;
> create keyspace SegmentData
> with placement_strategy = 'SimpleStrategy'
> and strategy_options = [{replication_factor : 3}];
>
> [default@SegmentData] show schema;
> create keyspace SegmentData
> with placement_strategy = 'SimpleStrategy'
> and strategy_options = [{replication_factor : 3}];
>
> use SegmentData;
>
> create column family SegmentData
> with column_type = 'Standard'
> and comparator = 'BytesType'
> and default_validation_class = 'BytesType'
> and key_validation_class = 'BytesType'
> and memtable_operations = 2.0
> and memtable_throughput = 253
> and memtable_flush_after = 1440
> and rows_cached = 0.0
> and row_cache_save_period = 0
> and keys_cached = 2000000.0
> and key_cache_save_period = 14400
> and read_repair_chance = 0.1
> and gc_grace = 259200
> and min_compaction_threshold = 4
> and max_compaction_threshold = 32
> and replicate_on_write = false
> and row_cache_provider = 'ConcurrentLinkedHashCacheProvider';
>
> update column family SegmentData with
> row_cache_provider=SerializingCacheProvider;
>
> update column family SegmentData with
> row_cache_provider='SerializingCacheProvider';
> f6753c40-146b-11e1-0000-9f306ef597fe
>
>
>
> [default@SegmentData] show schema;
> create column family SegmentData
> with column_type = 'Standard'
> and comparator = 'BytesType'
> and default_validation_class = 'BytesType'
> and key_validation_class = 'BytesType'
> and memtable_operations = 2.0
> and memtable_throughput = 253
> and memtable_flush_after = 1440
> and rows_cached = 0.0
> and row_cache_save_period = 0
> and keys_cached = 2000000.0
> and key_cache_save_period = 14400
> and read_repair_chance = 0.1
> and gc_grace = 259200
> and min_compaction_threshold = 4
> and max_compaction_threshold = 32
> and replicate_on_write = false
> and row_cache_provider = 'ConcurrentLinkedHashCacheProvider';
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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