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https://issues.apache.org/jira/browse/CASSANDRA-12499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-12499:
-----------------------------------------
    Status: Ready to Commit  (was: Patch Available)

> Row cache does not cache partitions on tables without clustering keys
> ---------------------------------------------------------------------
>
>                 Key: CASSANDRA-12499
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12499
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jeff Jirsa
>            Assignee: Jeff Jirsa
>              Labels: Performance
>
> {code}
> MLSEA-JJIRSA01:~ jjirsa$ ccm start
> MLSEA-JJIRSA01:~ jjirsa$ echo "DESCRIBE TABLE test.test; " | ccm node1 cqlsh
> CREATE TABLE test.test (
>     id int PRIMARY KEY,
>     v text
> ) WITH bloom_filter_fp_chance = 0.01
>     AND caching = {'keys': 'ALL', 'rows_per_partition': '100'}
>     AND comment = ''
>     AND compaction = {'class': 
> 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 
> 'max_threshold': '32', 'min_threshold': '4'}
>     AND compression = {'chunk_length_in_kb': '64', 'class': 
> 'org.apache.cassandra.io.compress.LZ4Compressor'}
>     AND crc_check_chance = 1.0
>     AND dclocal_read_repair_chance = 0.1
>     AND default_time_to_live = 0
>     AND gc_grace_seconds = 864000
>     AND max_index_interval = 2048
>     AND memtable_flush_period_in_ms = 0
>     AND min_index_interval = 128
>     AND read_repair_chance = 0.0
>     AND speculative_retry = '99PERCENTILE';
> MLSEA-JJIRSA01:~ jjirsa$ ccm node1 nodetool info | grep Row
> Row Cache              : entries 0, size 0 bytes, capacity 100 MiB, 0 hits, 0 
> requests, NaN recent hit rate, 0 save period in seconds
> MLSEA-JJIRSA01:~ jjirsa$ echo "INSERT INTO test.test(id,v) VALUES(1, 'a'); " 
> | ccm node1 cqlsh
> MLSEA-JJIRSA01:~ jjirsa$ echo "SELECT * FROM test.test WHERE id=1; " | ccm 
> node1 cqlsh
>  id | v
> ----+---
>   1 | a
> (1 rows)
> MLSEA-JJIRSA01:~ jjirsa$ ccm node1 nodetool info | grep Row
> Row Cache              : entries 0, size 0 bytes, capacity 100 MiB, 0 hits, 0 
> requests, NaN recent hit rate, 0 save period in seconds
> MLSEA-JJIRSA01:~ jjirsa$ echo "SELECT * FROM test.test WHERE id=1; " | ccm 
> node1 cqlsh
>  id | v
> ----+---
>   1 | a
> (1 rows)
> MLSEA-JJIRSA01:~ jjirsa$ ccm node1 nodetool info | grep Row
> Row Cache              : entries 0, size 0 bytes, capacity 100 MiB, 0 hits, 0 
> requests, NaN recent hit rate, 0 save period in seconds
> MLSEA-JJIRSA01:~ jjirsa$
> {code}



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