本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.CacheDirectiveStats.getBytesNeeded方法的典型用法代码示例。如果您正苦于以下问题：Java CacheDirectiveStats.getBytesNeeded方法的具体用法？Java CacheDirectiveStats.getBytesNeeded怎么用？Java CacheDirectiveStats.getBytesNeeded使用的例子？那么恭喜您, 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.hadoop.hdfs.protocol.CacheDirectiveStats的用法示例。
在下文中一共展示了CacheDirectiveStats.getBytesNeeded方法的1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: checkLimit
import org.apache.hadoop.hdfs.protocol.CacheDirectiveStats; //导入方法依赖的package包/类
/**
* Throws an exception if the CachePool does not have enough capacity to
* cache the given path at the replication factor.
*
* @param pool CachePool where the path is being cached
* @param path Path that is being cached
* @param replication Replication factor of the path
* @throws InvalidRequestException if the pool does not have enough capacity
*/
private void checkLimit(CachePool pool, String path,
short replication) throws InvalidRequestException {
CacheDirectiveStats stats = computeNeeded(path, replication);
if (pool.getLimit() == CachePoolInfo.LIMIT_UNLIMITED) {
return;
}
if (pool.getBytesNeeded() + (stats.getBytesNeeded() * replication) > pool
.getLimit()) {
throw new InvalidRequestException("Caching path " + path + " of size "
+ stats.getBytesNeeded() / replication + " bytes at replication "
+ replication + " would exceed pool " + pool.getPoolName()
+ "'s remaining capacity of "
+ (pool.getLimit() - pool.getBytesNeeded()) + " bytes.");
}
}