def random_cluster(input_path, output_path, num_clusters, cluster_path, num_reducers):
def inc_path():
global iter_cnt
iter_cnt +=1
return '%s/%d' % (output_path, iter_cnt)
hadoopy.freeze(script_path='random_cluster.py',
shared_libs=SHARED_LIBS,
modules=['vitrieve_algorithms'],
remove_dir=True)
hadoopy.launch(in_name=input_path,
out_name=inc_path(),
cmdenvs=['NUM_CLUSTERS=%d' % (num_clusters)],
script_path='random_cluster.py',
#combiner=True,
frozen_path='frozen')
def canopy(input_path, output_path, num_clusters, cluster_path, num_reducers):
def inc_path():
global iter_cnt
iter_cnt +=1
return '%s/%d' % (output_path, iter_cnt)
def prev_path():
return '%s/%d' % (output_path, iter_cnt)
soft = str(4000.)
hard = str(250.)
hadoopy.freeze(script_path='canopy_cluster.py',
shared_libs=SHARED_LIBS,
modules=['vitrieve_algorithms', 'nn_l2sqr_c'],
remove_dir=True)
hadoopy.launch(in_name=input_path,
out_name=inc_path(),
script_path='canopy_cluster.py',
files='nn_l2sqr.py',
cmdenvs=['NN_MODULE=nn_l2sqr_c',
'CANOPY_SOFT_DIST=%s' % (soft),
'CANOPY_HARD_DIST=%s' % (hard)],
frozen_path='frozen')
consolidate_clusters(prev_path(), 'canopies.pkl')
hadoopy.freeze(script_path='canopy_cluster_assign.py',
remove_dir=True)
hadoopy.launch(in_name=input_path,
out_name=inc_path(),
script_path='canopy_cluster_assign.py',
cmdenvs=['CANOPY_SOFT_DIST=%s' % (soft),
'CANOPIES_PKL=' + 'canopies.pkl'],
files='canopies.pkl',
reducer=None,
frozen_path='frozen')
input_path = prev_path()
hadoopy.launch(in_name=cluster_path,
out_name=inc_path(),
script_path='canopy_cluster_assign.py',
cmdenvs=['CANOPY_SOFT_DIST=%s' % (soft),
'CANOPIES_PKL=' + 'canopies.pkl'],
files='canopies.pkl',
reducer=None,
frozen_path='frozen')
consolidate_canopy_clusters(prev_path(), 'clusters.pkl')
hadoopy.freeze(script_path='kmeans_canopy_cluster.py',
shared_libs=SHARED_LIBS,
modules=['vitrieve_algorithms', 'nn_l2sqr_c',],
remove_dir=True)
hadoopy.launch(in_name=input_path,
out_name=inc_path(),
script_path='kmeans_canopy_cluster.py',
cmdenvs=['CLUSTERS_PKL=%s' % ('clusters.pkl'),
'CANOPY_SOFT_DIST=%s' % (soft),
'NN_MODULE=nn_l2sqr_c'],
files=['nn_l2sqr_c.py', 'clusters.pkl'],
frozen_path='frozen')