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from __future__ import print_function, division, absolute_import
import logging
from toolz import valmap, merge
from tornado import gen
from .progress import AllProgress
from ..core import connect, coerce_to_address
from ..scheduler import Scheduler
from ..utils import key_split, color_of
from ..worker import dumps_function
logger = logging.getLogger(__name__)
def counts(scheduler, allprogress):
return merge({'all': valmap(len, allprogress.all),
'nbytes': allprogress.nbytes},
{state: valmap(len, allprogress.state[state])
for state in ['memory', 'erred', 'released', 'processing']})
@gen.coroutine
def progress_stream(address, interval):
""" Open a TCP connection to scheduler, receive progress messages
The messages coming back are dicts containing counts of key groups::
{'inc': {'all': 5, 'memory': 2, 'erred': 0, 'released': 1},
'dec': {'all': 1, 'memory': 0, 'erred': 0, 'released': 0}}
Parameters
----------
address: address of scheduler
interval: time between batches, in seconds
Examples
--------
>>> stream = yield eventstream('127.0.0.1:8786', 0.100) # doctest: +SKIP
>>> print(yield read(stream)) # doctest: +SKIP
"""
address = coerce_to_address(address)
comm = yield connect(address)
yield comm.write({'op': 'feed',
'setup': dumps_function(AllProgress),
'function': dumps_function(counts),
'interval': interval,
'teardown': dumps_function(Scheduler.remove_plugin)})
raise gen.Return(comm)
def nbytes_bar(nbytes):
""" Convert nbytes message into rectangle placements
>>> nbytes_bar({'inc': 1000, 'dec': 3000}) # doctest: +NORMALIZE_WHITESPACE
{'names': ['dec', 'inc'],
'left': [0, 0.75],
'center': [0.375, 0.875],
'right': [0.75, 1.0]}
"""
total = sum(nbytes.values())
names = sorted(nbytes)
d = {'name': [],
'text': [],
'left': [],
'right': [],
'center': [],
'color': [],
'percent': [],
'MB': []}
if not total:
return d
right = 0
for name in names:
left = right
right = nbytes[name] / total + left
center = (right + left) / 2
d['MB'].append(nbytes[name] / 1000000)
d['percent'].append(round(nbytes[name] / total * 100, 2))
d['left'].append(left)
d['right'].append(right)
d['center'].append(center)
d['color'].append(color_of(name))
d['name'].append(name)
if right - left > 0.1:
d['text'].append(name)
else:
d['text'].append('')
return d
def progress_quads(msg, nrows=8, ncols=3):
"""
>>> msg = {'all': {'inc': 5, 'dec': 1, 'add': 4},
... 'memory': {'inc': 2, 'dec': 0, 'add': 1},
... 'erred': {'inc': 0, 'dec': 1, 'add': 0},
... 'released': {'inc': 1, 'dec': 0, 'add': 1},
... 'processing': {'inc': 1, 'dec': 0, 'add': 2}}
>>> progress_quads(msg, nrows=2) # doctest: +SKIP
{'name': ['inc', 'add', 'dec'],
'left': [0, 0, 1],
'right': [0.9, 0.9, 1.9],
'top': [0, -1, 0],
'bottom': [-.8, -1.8, -.8],
'released': [1, 1, 0],
'memory': [2, 1, 0],
'erred': [0, 0, 1],
'processing': [1, 0, 2],
'done': ['3 / 5', '2 / 4', '1 / 1'],
'released-loc': [.2/.9, .25 / 0.9, 1],
'memory-loc': [3 / 5 / .9, .5 / 0.9, 1],
'erred-loc': [3 / 5 / .9, .5 / 0.9, 1.9],
'processing-loc': [4 / 5, 1 / 1, 1]}}
"""
width = 0.9
names = sorted(msg['all'], key=msg['all'].get, reverse=True)
names = names[:nrows * ncols]
n = len(names)
d = {k: [v.get(name, 0) for name in names] for k, v in msg.items()}
d['name'] = names
d['show-name'] = [name if len(name) <= 15 else name[:12] + '...'
for name in names]
d['left'] = [i // nrows for i in range(n)]
d['right'] = [i // nrows + width for i in range(n)]
d['top'] = [-(i % nrows) for i in range(n)]
d['bottom'] = [-(i % nrows) - 0.8 for i in range(n)]
d['color'] = [color_of(name) for name in names]
d['released-loc'] = []
d['memory-loc'] = []
d['erred-loc'] = []
d['processing-loc'] = []
d['done'] = []
for r, m, e, p, a, l in zip(d['released'], d['memory'], d['erred'],
d['processing'], d['all'], d['left']):
rl = width * r / a + l
ml = width * (r + m) / a + l
el = width * (r + m + e) / a + l
pl = width * (p + r + m + e) / a + l
done = '%d / %d' % (r + m + e, a)
d['released-loc'].append(rl)
d['memory-loc'].append(ml)
d['erred-loc'].append(el)
d['processing-loc'].append(pl)
d['done'].append(done)
return d
def color_of_message(msg):
if msg['status'] == 'OK':
split = key_split(msg['key'])
return color_of(split)
else:
return 'black'
colors = {'transfer': 'red',
'disk-write': 'orange',
'disk-read': 'orange',
'deserialize': 'gray',
'compute': color_of_message}
alphas = {'transfer': 0.4,
'compute': 1,
'deserialize': 0.4,
'disk-write': 0.4,
'disk-read': 0.4}
prefix = {'transfer': 'transfer-',
'disk-write': 'disk-write-',
'disk-read': 'disk-read-',
'deserialize': 'deserialize-',
'compute': ''}
def task_stream_append(lists, msg, workers):
key = msg['key']
name = key_split(key)
startstops = msg.get('startstops', [])
for action, start, stop in startstops:
color = colors[action]
if type(color) is not str:
color = color(msg)
lists['start'].append((start + stop) / 2 * 1000)
lists['duration'].append(1000 * (stop - start))
lists['key'].append(key)
lists['name'].append(prefix[action] + name)
lists['color'].append(color)
lists['alpha'].append(alphas[action])
lists['worker'].append(msg['worker'])
worker_thread = '%s-%d' % (msg['worker'], msg['thread'])
lists['worker_thread'].append(worker_thread)
if worker_thread not in workers:
workers[worker_thread] = len(workers) / 2
lists['y'].append(workers[worker_thread])
return len(startstops)
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