本文整理汇总了Java中org.apache.hadoop.hbase.util.ClassSize.CONCURRENT_HASHMAP_SEGMENT属性的典型用法代码示例。如果您正苦于以下问题：Java ClassSize.CONCURRENT_HASHMAP_SEGMENT属性的具体用法？Java ClassSize.CONCURRENT_HASHMAP_SEGMENT怎么用？Java ClassSize.CONCURRENT_HASHMAP_SEGMENT使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hbase.util.ClassSize的用法示例。
在下文中一共展示了ClassSize.CONCURRENT_HASHMAP_SEGMENT属性的8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: calculateOverhead
public static long calculateOverhead(long maxSize, long blockSize, int concurrency){
// FindBugs ICAST_INTEGER_MULTIPLY_CAST_TO_LONG
return CACHE_FIXED_OVERHEAD + ClassSize.CONCURRENT_HASHMAP +
((long)Math.ceil(maxSize*1.2/blockSize)
* ClassSize.CONCURRENT_HASHMAP_ENTRY) +
(concurrency * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
}
示例2: calculateOverhead
public static long calculateOverhead(long maxSize, long blockSize, int concurrency){
// FindBugs ICAST_INTEGER_MULTIPLY_CAST_TO_LONG
return CACHE_FIXED_OVERHEAD + ClassSize.CONCURRENT_HASHMAP +
((long)Math.ceil(maxSize*1.2/blockSize)
* ClassSize.CONCURRENT_HASHMAP_ENTRY) +
((long)concurrency * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
}
示例3: calculateBlockSize
private long calculateBlockSize(long maxSize, int numBlocks) {
long roughBlockSize = maxSize / numBlocks;
int numEntries = (int)Math.ceil((1.2)*maxSize/roughBlockSize);
long totalOverhead = LruBlockCache.CACHE_FIXED_OVERHEAD +
ClassSize.CONCURRENT_HASHMAP +
(numEntries * ClassSize.CONCURRENT_HASHMAP_ENTRY) +
(LruBlockCache.DEFAULT_CONCURRENCY_LEVEL * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
long negateBlockSize = (long)(totalOverhead/numEntries);
negateBlockSize += LruCachedBlock.PER_BLOCK_OVERHEAD;
return ClassSize.align((long)Math.floor((roughBlockSize - negateBlockSize)*0.99f));
}
示例4: calculateBlockSizeDefault
private long calculateBlockSizeDefault(long maxSize, int numBlocks) {
long roughBlockSize = maxSize / numBlocks;
int numEntries = (int)Math.ceil((1.2)*maxSize/roughBlockSize);
long totalOverhead = LruBlockCache.CACHE_FIXED_OVERHEAD +
ClassSize.CONCURRENT_HASHMAP +
(numEntries * ClassSize.CONCURRENT_HASHMAP_ENTRY) +
(LruBlockCache.DEFAULT_CONCURRENCY_LEVEL * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
long negateBlockSize = totalOverhead / numEntries;
negateBlockSize += LruCachedBlock.PER_BLOCK_OVERHEAD;
return ClassSize.align((long)Math.floor((roughBlockSize - negateBlockSize)*
LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));
}
示例5: calculateBlockSize
private long calculateBlockSize(long maxSize, int numBlocks) {
long roughBlockSize = maxSize / numBlocks;
int numEntries = (int)Math.ceil((1.2)*maxSize/roughBlockSize);
long totalOverhead = LruBlockCache.CACHE_FIXED_OVERHEAD +
ClassSize.CONCURRENT_HASHMAP +
(numEntries * ClassSize.CONCURRENT_HASHMAP_ENTRY) +
(LruBlockCache.DEFAULT_CONCURRENCY_LEVEL * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
long negateBlockSize = (long)(totalOverhead/numEntries);
negateBlockSize += CachedBlock.PER_BLOCK_OVERHEAD;
return ClassSize.align((long)Math.floor((roughBlockSize - negateBlockSize)*0.99f));
}
示例6: calculateBlockSizeDefault
private long calculateBlockSizeDefault(long maxSize, int numBlocks) {
long roughBlockSize = maxSize / numBlocks;
int numEntries = (int)Math.ceil((1.2)*maxSize/roughBlockSize);
long totalOverhead = LruBlockCache.CACHE_FIXED_OVERHEAD +
ClassSize.CONCURRENT_HASHMAP +
(numEntries * ClassSize.CONCURRENT_HASHMAP_ENTRY) +
(LruBlockCache.DEFAULT_CONCURRENCY_LEVEL * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
long negateBlockSize = totalOverhead / numEntries;
negateBlockSize += CachedBlock.PER_BLOCK_OVERHEAD;
return ClassSize.align((long)Math.floor((roughBlockSize - negateBlockSize)*
LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));
}
示例7: calculateOverhead
private static long calculateOverhead(long maxSize, long blockSize, int concurrency) {
// FindBugs ICAST_INTEGER_MULTIPLY_CAST_TO_LONG
return CACHE_FIXED_OVERHEAD + ClassSize.CONCURRENT_HASHMAP
+ ((long) Math.ceil(maxSize * 1.2 / blockSize) * ClassSize.CONCURRENT_HASHMAP_ENTRY)
+ ((long) concurrency * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
}
示例8: calculateOverhead
/**
* Calculate overhead.
*
* @param maxSize the max size
* @param blockSize the block size
* @param concurrency the concurrency
* @return the long
*/
public static long calculateOverhead(long maxSize, long blockSize, int concurrency){
// FindBugs ICAST_INTEGER_MULTIPLY_CAST_TO_LONG
return CACHE_FIXED_OVERHEAD + ClassSize.CONCURRENT_HASHMAP +
((long)Math.ceil(maxSize*1.2/blockSize)
* ClassSize.CONCURRENT_HASHMAP_ENTRY) +
(concurrency * ClassSize.CONCURRENT_HASHMAP_SEGMENT);
}