def get_consumed_read_units(table_name, time_frame=300):
""" Returns the number of consumed read units
:type table_name: str
:param table_name: Name of the DynamoDB table
:type time_frame: int
:param time_frame: How many seconds to look at
:returns: int -- Number of consumed reads
"""
metrics = cloudwatch_connection.get_metric_statistics(
time_frame,
datetime.utcnow()-timedelta(minutes=10, seconds=time_frame),
datetime.utcnow()-timedelta(minutes=10),
'ConsumedReadCapacityUnits',
'AWS/DynamoDB',
['Sum'],
dimensions={'TableName': table_name},
unit='Count')
if metrics:
consumed_read_units = int(
math.ceil(float(metrics[0]['Sum'])/float(time_frame)))
else:
consumed_read_units = 0
logger.info('{0} - Consumed read units: {1:d}'.format(
table_name, consumed_read_units))
return consumed_read_units
def get_consumed_read_units(table_name, time_frame=300):
""" Returns the number of consumed read units
:type table_name: str
:param table_name: Name of the DynamoDB table
:type time_frame: int
:param time_frame: How many seconds to look at
:returns: int -- Number of consumed reads
"""
metrics = cloudwatch_connection.get_metric_statistics(
time_frame,
datetime.utcnow() - timedelta(minutes=10, seconds=time_frame),
datetime.utcnow() - timedelta(minutes=10),
'ConsumedReadCapacityUnits',
'AWS/DynamoDB', ['Sum'],
dimensions={'TableName': table_name},
unit='Count')
if metrics:
consumed_read_units = int(
math.ceil(float(metrics[0]['Sum']) / float(time_frame)))
else:
consumed_read_units = 0
logger.info('{0} - Consumed read units: {1:d}'.format(
table_name, consumed_read_units))
return consumed_read_units
def get_consumed_read_units_percent(table_name, time_frame=300):
""" Returns the number of consumed read units in percent
:type table_name: str
:param table_name: Name of the DynamoDB table
:type time_frame: int
:param time_frame: How many seconds to look at
:returns: int -- Number of consumed reads
"""
metrics = cloudwatch_connection.get_metric_statistics(
period=time_frame,
start_time=datetime.utcnow()-timedelta(minutes=10, seconds=time_frame),
end_time=datetime.utcnow()-timedelta(minutes=10),
metric_name='ConsumedReadCapacityUnits',
namespace='AWS/DynamoDB',
statistics=['Sum'],
dimensions={'TableName': table_name},
unit='Count')
if metrics:
consumed_read_units = int(
math.ceil(float(metrics[0]['Sum'])/float(time_frame)))
else:
consumed_read_units = 0
consumed_read_units_percent = int(math.ceil(
float(consumed_read_units) / \
float(get_provisioned_read_units(table_name)) * \
100))
logger.info('{0} - Consumed read units: {1:d}%'.format(
table_name, consumed_read_units_percent))
return consumed_read_units_percent
def get_consumed_read_units_percent(table_name, time_frame=300):
""" Returns the number of consumed read units in percent
:type table_name: str
:param table_name: Name of the DynamoDB table
:type time_frame: int
:param time_frame: How many seconds to look at
:returns: int -- Number of consumed reads
"""
metrics = cloudwatch_connection.get_metric_statistics(
period=time_frame,
start_time=datetime.utcnow() -
timedelta(minutes=10, seconds=time_frame),
end_time=datetime.utcnow() - timedelta(minutes=10),
metric_name='ConsumedReadCapacityUnits',
namespace='AWS/DynamoDB',
statistics=['Sum'],
dimensions={'TableName': table_name},
unit='Count')
if metrics:
consumed_read_units = int(
math.ceil(float(metrics[0]['Sum']) / float(time_frame)))
else:
consumed_read_units = 0
consumed_read_units_percent = int(math.ceil(
float(consumed_read_units) / \
float(get_provisioned_read_units(table_name)) * \
100))
logger.info('{0} - Consumed read units: {1:d}%'.format(
table_name, consumed_read_units_percent))
return consumed_read_units_percent
