Using KeysCached="xx%" results in Key cache capacity: 1
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Key: CASSANDRA-1129
URL: https://issues.apache.org/jira/browse/CASSANDRA-1129
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 0.6.1
Reporter: Ran Tavory
Priority: Minor
I don't know if this is a general bug or only something related to my instance,
but for me (v0.6.1) I've noticed that when defining KeysCached="50%" (or
KeysCached="100%" and I didn't test other values with %) then cfstats reports
Key cache capacity: 1
<ColumnFamily CompareWith="BytesType" Name="KvAds"
KeysCached="100%"
RowsCached="10000"
/>
Column Family: KvAds
SSTable count: 7
Space used (live): 797535964
Space used (total): 797535964
Memtable Columns Count: 42292
Memtable Data Size: 10514176
Memtable Switch Count: 24
Read Count: 2563704
Read Latency: 4.590 ms.
Write Count: 1963804
Write Latency: 0.025 ms.
Pending Tasks: 0
Key cache capacity: 1
Key cache size: 1
Key cache hit rate: 0.0
Row cache capacity: 10000
Row cache size: 10000
Row cache hit rate: 0.2206178354382234
Compacted row minimum size: 386
Compacted row maximum size: 9808
Compacted row mean size: 616
I'll attach one of the sstable files from this CF
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