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java.lang.Objectsimpledb.multibuffer.BufferNeeds
public class BufferNeeds
A class containing static methods, which estimate the optimal number of buffers to allocate for a scan.
Constructor Summary | |
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BufferNeeds()
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Method Summary | |
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static int |
bestFactor(int size)
This method considers the various factors of the specified output size (in blocks), and returns the highest factor that is less than the number of available buffers. |
static int |
bestRoot(int size)
This method considers the various roots of the specified output size (in blocks), and returns the highest root that is less than the number of available buffers. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BufferNeeds()
Method Detail |
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public static int bestRoot(int size)
size
- the size of the output file
public static int bestFactor(int size)
size
- the size of the output file
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