org.apache.mahout.math.hadoop.stochasticsvd
Class QJob
java.lang.Object
org.apache.mahout.math.hadoop.stochasticsvd.QJob
public final class QJob
- extends Object
Compute first level of QHat-transpose blocks.
See Mahout-376 working notes for details.
Uses some of Hadoop deprecated api wherever newer api is not available.
Hence, @SuppressWarnings("deprecation") for imports (MAHOUT-593).
Method Summary |
static void |
run(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.Path[] inputPaths,
org.apache.hadoop.fs.Path sbPath,
org.apache.hadoop.fs.Path outputPath,
int aBlockRows,
int minSplitSize,
int k,
int p,
long seed,
int numReduceTasks)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
PROP_OMEGA_SEED
public static final String PROP_OMEGA_SEED
- See Also:
- Constant Field Values
PROP_K
public static final String PROP_K
- See Also:
- Constant Field Values
PROP_P
public static final String PROP_P
- See Also:
- Constant Field Values
PROP_SB_PATH
public static final String PROP_SB_PATH
- See Also:
- Constant Field Values
PROP_AROWBLOCK_SIZE
public static final String PROP_AROWBLOCK_SIZE
- See Also:
- Constant Field Values
OUTPUT_RHAT
public static final String OUTPUT_RHAT
- See Also:
- Constant Field Values
OUTPUT_QHAT
public static final String OUTPUT_QHAT
- See Also:
- Constant Field Values
run
public static void run(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.Path[] inputPaths,
org.apache.hadoop.fs.Path sbPath,
org.apache.hadoop.fs.Path outputPath,
int aBlockRows,
int minSplitSize,
int k,
int p,
long seed,
int numReduceTasks)
throws ClassNotFoundException,
InterruptedException,
IOException
- Throws:
ClassNotFoundException
InterruptedException
IOException
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