本文整理汇总了Java中org.apache.cassandra.config.DatabaseDescriptor.getRowCacheSizeInMB方法的典型用法代码示例。如果您正苦于以下问题：Java DatabaseDescriptor.getRowCacheSizeInMB方法的具体用法？Java DatabaseDescriptor.getRowCacheSizeInMB怎么用？Java DatabaseDescriptor.getRowCacheSizeInMB使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.config.DatabaseDescriptor的用法示例。
在下文中一共展示了DatabaseDescriptor.getRowCacheSizeInMB方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: initRowCache
import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
/**
* @return initialized row cache
*/
private AutoSavingCache<RowCacheKey, IRowCacheEntry> initRowCache()
{
logger.info("Initializing row cache with capacity of {} MBs", DatabaseDescriptor.getRowCacheSizeInMB());
long rowCacheInMemoryCapacity = DatabaseDescriptor.getRowCacheSizeInMB() * 1024 * 1024;
// cache object
ICache<RowCacheKey, IRowCacheEntry> rc = new SerializingCacheProvider().create(rowCacheInMemoryCapacity);
AutoSavingCache<RowCacheKey, IRowCacheEntry> rowCache = new AutoSavingCache<>(rc, CacheType.ROW_CACHE, new RowCacheSerializer());
int rowCacheKeysToSave = DatabaseDescriptor.getRowCacheKeysToSave();
rowCache.scheduleSaving(DatabaseDescriptor.getRowCacheSavePeriod(), rowCacheKeysToSave);
return rowCache;
}
示例2: initRowCache
import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
/**
* @return initialized row cache
*/
private AutoSavingCache<RowCacheKey, IRowCacheEntry> initRowCache()
{
logger.info("Initializing row cache with capacity of {} MBs", DatabaseDescriptor.getRowCacheSizeInMB());
long rowCacheInMemoryCapacity = DatabaseDescriptor.getRowCacheSizeInMB() * 1024 * 1024;
// cache object
ICache<RowCacheKey, IRowCacheEntry> rc = new SerializingCacheProvider().create(rowCacheInMemoryCapacity);
AutoSavingCache<RowCacheKey, IRowCacheEntry> rowCache = new AutoSavingCache<RowCacheKey, IRowCacheEntry>(rc, CacheType.ROW_CACHE, new RowCacheSerializer());
int rowCacheKeysToSave = DatabaseDescriptor.getRowCacheKeysToSave();
logger.info("Scheduling row cache save to each {} seconds (going to save {} keys).",
DatabaseDescriptor.getRowCacheSavePeriod(),
rowCacheKeysToSave == Integer.MAX_VALUE ? "all" : rowCacheKeysToSave);
rowCache.scheduleSaving(DatabaseDescriptor.getRowCacheSavePeriod(), rowCacheKeysToSave);
return rowCache;
}
示例3: initRowCache
import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
/**
* @return initialized row cache
*/
private AutoSavingCache<RowCacheKey, IRowCacheEntry> initRowCache()
{
logger.info("Initializing row cache with capacity of {} MBs", DatabaseDescriptor.getRowCacheSizeInMB());
CacheProvider<RowCacheKey, IRowCacheEntry> cacheProvider;
String cacheProviderClassName = DatabaseDescriptor.getRowCacheSizeInMB() > 0
? DatabaseDescriptor.getRowCacheClassName() : "org.apache.cassandra.cache.NopCacheProvider";
try
{
Class<CacheProvider<RowCacheKey, IRowCacheEntry>> cacheProviderClass =
(Class<CacheProvider<RowCacheKey, IRowCacheEntry>>) Class.forName(cacheProviderClassName);
cacheProvider = cacheProviderClass.newInstance();
}
catch (Exception e)
{
throw new RuntimeException("Cannot find configured row cache provider class " + DatabaseDescriptor.getRowCacheClassName());
}
// cache object
ICache<RowCacheKey, IRowCacheEntry> rc = cacheProvider.create();
AutoSavingCache<RowCacheKey, IRowCacheEntry> rowCache = new AutoSavingCache<>(rc, CacheType.ROW_CACHE, new RowCacheSerializer());
int rowCacheKeysToSave = DatabaseDescriptor.getRowCacheKeysToSave();
rowCache.scheduleSaving(DatabaseDescriptor.getRowCacheSavePeriod(), rowCacheKeysToSave);
return rowCache;
}