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Project Description

Metrics collection agent for Carbon. It allow you to collect some metrics about your code and measure execution time.

Installation

Install via pip:

pip install carbonstat

Basic usage

You can just import carbonstat.stat instance and play with it:

from carbonstat import stat

def foo():
    print 'Hello, world!'

foo()
foo()

stat['foo.count'].add(2)  # save `foo.count` metric as execution counter

stat.send()  # send packet to Carbon with `foo.count` metric value

All packets are sent via udp to 127.0.0.1:2003 by default. You can change default destination address via environment variables $CARBOH_HOST and $CARBON_PORT.

You can combine multiple metrics in one CarbonStat instance too:

def foo():
    print 'Hello from foo!'

def bar():
    print 'Hello from bar!'

foo()
foo()
bar()

stat['foo.count'].add(2)
stat['bar.count'].add(1)

stat.send()  # send packet to Carbon with two metrics

Advanced usage

You can measure execution time of code blocks with convenient context manager:

stat = CarbonStat(host=192.168.0.1, port=2003)

def foo(sec):
    sleep(sec)
    print 'Hello after %d seconds!' % sec

with stat.timer('foo.time') as timer:
    timer.start()  # measure first
    foo(3)
    timer.stop()

    timer.start()  # measure again
    foo(5)
    timer.stop()

stat.send()  # send packet:
#               heartbeat    0 timespamp
#               foo.time.min 3 timestamp
#               foo.time.avg 4 timestamp
#               foo.time.max 5 timestamp

Or you can do it simpler:

def foo(sec):
    sleep(sec)
    print 'Hello after %d seconds!' % sec

with stat.timer('foo.time'):
    foo(3)
with stat.timer('foo.time'):
    foo(5)

stat.send()  # send packet like above

You can even decorate your function and measure it’s execution time while calling it:

@stat.timeit('foo.time')
def foo(sec):
    sleep(sec)
    print 'Hello after %d seconds!' % sec

foo(3)
foo(5)

stat.send()  # send packet like above

Extra

In some cases you may need to save the value of any metric after sending the packet to Carbon. You can do it by setting accumulate attribute to True:

“`

Release History

Release History

0.4.6

This version

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0.4.5

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0.4.4

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0.4.3

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0.4.2

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0.4.1

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0.4.0

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0.3.1

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0.3.0

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0.2.3

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0.2.2

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0.2.1

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0.2

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0.1.1

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0.1

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Changelog content for this version goes here.

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
carbonstat-0.4.6.tar.gz (4.3 kB) Copy SHA256 Checksum SHA256 Source Aug 31, 2016

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