Field Detail

• COUNT_OF_ROWS_SCANNED_KEY

  public static final String COUNT_OF_ROWS_SCANNED_KEY

  See Also:

  Constant Field Values

• COUNT_OF_ROWS_FILTERED_KEY

  public static final String COUNT_OF_ROWS_FILTERED_KEY

  See Also:

  Constant Field Values

• countOfRowsFiltered

  public final AtomicLong countOfRowsFiltered

  number of rows filtered during scan RPC

• countOfRowsScanned

  public final AtomicLong countOfRowsScanned

  number of rows scanned during scan RPC. Not every row scanned will be returned to the client since rows may be filtered.

Constructor Detail

• ServerSideScanMetrics

  public ServerSideScanMetrics()

Method Detail

• createCounter

  protected AtomicLong createCounter(String counterName)

  Create a new counter with the specified name

  Parameters:

  counterName -

  Returns:

  AtomicLong instance for the counter with counterName

• setCounter

  public void setCounter(String counterName,
                long value)

  Parameters:

  counterName -

  value -

• hasCounter

  public boolean hasCounter(String counterName)

  Parameters:

  counterName -

  Returns:

  true if a counter exists with the counterName

• getCounter

  public AtomicLong getCounter(String counterName)

  Parameters:

  counterName -

  Returns:

  AtomicLong instance for this counter name, null if counter does not exist.

• addToCounter

  public void addToCounter(String counterName,
                  long delta)

  Parameters:

  counterName -

  delta -

• getMetricsMap

  public Map<String,Long> getMetricsMap()

  Get all of the values since the last time this function was called. Calling this function will reset all AtomicLongs in the instance back to 0.

  Returns:

  A Map of String -> Long for metrics