Research Article

C-Aware: A Cache Management Algorithm Considering Cache Media Access Characteristic in Cloud Computing

Table 2

OLTP trace simulation test results.

Average seek time 2.0 msAverage seek time 3.5 ms
DirectC-AwareD-Cachedm-CacheC-AwareD-Cachedm-Cache

Cache size 1.25 G
 Average response time (ms)102.9487.4776.8528.31013.76716.00417.629
 Hit ratio (%)96.5798.5798.9189.1998.5798.91
 Cache replacement142831498914989125021498914989
 Direct I/O539488513649725677256775452422567725677
Cache size 2.5 G
 Average response time (ms)7.2256.4407.83514.26815.73917.296
 Hit ratio (%)98.1299.2699.4692.7799.2699.46
 Cache replacement614163746376529863746376
 Direct I/O716769021902636356990219025
Cache size 12.5 G
 Average response time (ms)7.3046.4487.84014.97915.90417.460
 Hit ratio (%)99.0099.5299.6995.1299.5299.69
 Cache replacement000000
 Direct I/O284900023955200