org.apache.cassandra.db
Class StatisticsTable

java.lang.Object
  extended by org.apache.cassandra.db.StatisticsTable

public class StatisticsTable
extends java.lang.Object


Field Summary
static byte[] COLUMNCOUNT_SC
           
static byte[] ROWSIZE_SC
           
static java.lang.String STATISTICS_CF
           
 
Constructor Summary
StatisticsTable()
           
 
Method Summary
static void deleteSSTableStatistics(java.lang.String filepath)
           
static long[] getSSTableColumnCountStatistics(java.lang.String filename)
           
static long[] getSSTableRowSizeStatistics(java.lang.String filename)
           
static void persistSSTableStatistics(Descriptor desc, EstimatedHistogram rowsizes, EstimatedHistogram columncounts)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

STATISTICS_CF

public static final java.lang.String STATISTICS_CF
See Also:
Constant Field Values

ROWSIZE_SC

public static final byte[] ROWSIZE_SC

COLUMNCOUNT_SC

public static final byte[] COLUMNCOUNT_SC
Constructor Detail

StatisticsTable

public StatisticsTable()
Method Detail

persistSSTableStatistics

public static void persistSSTableStatistics(Descriptor desc,
                                            EstimatedHistogram rowsizes,
                                            EstimatedHistogram columncounts)
                                     throws java.io.IOException
Throws:
java.io.IOException

deleteSSTableStatistics

public static void deleteSSTableStatistics(java.lang.String filepath)
                                    throws java.io.IOException
Throws:
java.io.IOException

getSSTableRowSizeStatistics

public static long[] getSSTableRowSizeStatistics(java.lang.String filename)
                                          throws java.io.IOException
Throws:
java.io.IOException

getSSTableColumnCountStatistics

public static long[] getSSTableColumnCountStatistics(java.lang.String filename)
                                              throws java.io.IOException
Throws:
java.io.IOException


Copyright © 2010 The Apache Software Foundation