def parse_cmd_line(self, args):
self.options, self.left_over_args = self.parser.load_config_and_cmd_line(args)
# set the job name. Do it here so the user can override it
self.properties['mapred.job.name'] = 'seqal_aln_%s' % self.options.output
# now collect the property values specified in the options and
# copy them to properties
for k,v in self.options.properties.iteritems():
self.properties[k] = v
# create a logger
logging.basicConfig()
self.logger = logging.getLogger(self.__class__.LogName)
# temporarily set to a high logging level in case we have to print warnings
# regarding deprecated properties
self.logger.setLevel(logging.DEBUG)
# warn for deprecated bl.seqal.log.level property
if self.properties.has_key(self.ConfLogLevel_deprecated):
deprecation.deprecation_warning(self.logger, self.ConfLogLevel_deprecated, self.ConfLogLevel)
if self.properties[self.ConfLogLevel] == self.DefaultLogLevel and \
self.properties[self.ConfLogLevel_deprecated] != self.DefaultLogLevel:
# the deprecated property is different from default, while the new property is not. Therefore,
# the user has set the deprecated property to a new value. We'll use that one.
self.properties[self.ConfLogLevel] = self.properties[self.ConfLogLevel_deprecated]
self.logger.warning("Using value %s for property %s (value taken from its deprecated equivalent property %s).",
self.properties[self.ConfLogLevel], self.ConfLogLevel, self.ConfLogLevel_deprecated)
# Set proper logging level
log_level = getattr(logging, self.properties['seal.seqal.log.level'], None)
if log_level is None:
self.logger.setLevel(logging.DEBUG)
self.logger.warning("Invalid configuration value '%s' for %s. Check your configuration.",
self.ConfLogLevel, self.properties['seal.seqal.log.level'])
self.logger.warning("Falling back to DEBUG")
self.logger.warning("Valid values for seal.seqal.log.level are: DEBUG, INFO, WARNING, ERROR, CRITICAL; default: %s",
SeqalSubmit.DefaultLogLevel)
else:
self.logger.setLevel(log_level)
# reference
self.properties['mapred.cache.archives'] = '%s#reference' % self.options.reference
# set the number of reduce tasks
if self.options.align_only:
n_red_tasks = 0
if self.options.num_reducers and self.options.num_reducers > 0:
self.logger.warning("Number of reduce tasks must be 0 when doing --align-only.")
self.logger.warning("Ignoring request for %d reduce tasks", self.options.num_reducers)
elif self.options.num_reducers:
n_red_tasks = self.options.num_reducers
else:
n_red_tasks = SeqalSubmit.DefaultReduceTasksPerNode * hadut.get_num_nodes()
self.properties['mapred.reduce.tasks'] = n_red_tasks
import argparse
import logging
import uuid
logging.basicConfig(level=logging.INFO)
import pydoop
import pydoop.hdfs as hdfs
import pydoop.hadut as hadut
import pydoop.utils as utils
import pydoop.utils.conversion_tables as conv_tables
from pydoop.mapreduce.pipes import PSTATS_DIR, PSTATS_FMT
from .argparse_types import kv_pair, a_file_that_can_be_read
from .argparse_types import a_comma_separated_list, a_hdfs_file
DEFAULT_REDUCE_TASKS = max(3 * hadut.get_num_nodes(offline=True), 1)
DEFAULT_ENTRY_POINT = '__main__'
IS_JAVA_RR = "hadoop.pipes.java.recordreader"
IS_JAVA_RW = "hadoop.pipes.java.recordwriter"
CACHE_FILES = "mapred.cache.files"
CACHE_ARCHIVES = "mapred.cache.archives"
USER_HOME = "mapreduce.admin.user.home.dir"
JOB_REDUCES = "mapred.reduce.tasks"
JOB_NAME = "mapred.job.name"
COMPRESS_MAP_OUTPUT = "mapred.compress.map.output"
AVRO_IO_CHOICES = ['k', 'v', 'kv']
AVRO_IO_CHOICES += [_.upper() for _ in AVRO_IO_CHOICES]
class PydoopSubmitter(object):
"""
writer = ContextWriter(ctx)
%(module)s.%(combiner_fn)s(key, PydoopScriptCombiner.iter(ctx), writer)
def with_conf(self, ctx):
key = ctx.getInputKey()
writer = ContextWriter(ctx)
%(module)s.%(combiner_fn)s(key, PydoopScriptReducer.iter(ctx), writer, self.conf)
if __name__ == '__main__':
result = pydoop.pipes.runTask(pydoop.pipes.Factory(
PydoopScriptMapper, PydoopScriptReducer, record_reader_class=None,
record_writer_class=None, combiner_class=%(combiner_wp)s, partitioner_class=None))
sys.exit(0 if result else 1)
"""
DEFAULT_REDUCE_TASKS = max(3 * hadut.get_num_nodes(offline=True), 1)
DEFAULT_OUTPUT_FORMAT = "org.apache.hadoop.mapred.TextOutputFormat"
NOSEP_OUTPUT_FORMAT = 'it.crs4.pydoop.NoSeparatorTextOutputFormat'
def kv_pair(s):
return s.split("=", 1)
class PydoopScript(object):
DESCRIPTION = "Easy MapReduce scripting with Pydoop"
def __init__(self):
self.logger = logging.getLogger("PydoopScript")
self.properties = {
def parse_cmd_line(self, args):
self.options, self.left_over_args = self.parser.load_config_and_cmd_line(
args)
# set the job name. Do it here so the user can override it
self.properties[
'mapred.job.name'] = 'seqal_aln_%s' % self.options.output
# now collect the property values specified in the options and
# copy them to properties
for k, v in self.options.properties.iteritems():
self.properties[k] = v
# create a logger
logging.basicConfig()
self.logger = logging.getLogger(self.__class__.LogName)
# temporarily set to a high logging level in case we have to print warnings
# regarding deprecated properties
self.logger.setLevel(logging.DEBUG)
# warn for deprecated bl.seqal.log.level property
if self.properties.has_key(self.ConfLogLevel_deprecated):
deprecation.deprecation_warning(self.logger,
self.ConfLogLevel_deprecated,
self.ConfLogLevel)
if self.properties[self.ConfLogLevel] == self.DefaultLogLevel and \
self.properties[self.ConfLogLevel_deprecated] != self.DefaultLogLevel:
# the deprecated property is different from default, while the new property is not. Therefore,
# the user has set the deprecated property to a new value. We'll use that one.
self.properties[self.ConfLogLevel] = self.properties[
self.ConfLogLevel_deprecated]
self.logger.warning(
"Using value %s for property %s (value taken from its deprecated equivalent property %s).",
self.properties[self.ConfLogLevel], self.ConfLogLevel,
self.ConfLogLevel_deprecated)
# Set proper logging level
log_level = getattr(logging, self.properties['seal.seqal.log.level'],
None)
if log_level is None:
self.logger.setLevel(logging.DEBUG)
self.logger.warning(
"Invalid configuration value '%s' for %s. Check your configuration.",
self.ConfLogLevel, self.properties['seal.seqal.log.level'])
self.logger.warning("Falling back to DEBUG")
self.logger.warning(
"Valid values for seal.seqal.log.level are: DEBUG, INFO, WARNING, ERROR, CRITICAL; default: %s",
SeqalSubmit.DefaultLogLevel)
else:
self.logger.setLevel(log_level)
# reference
self.properties[
'mapred.cache.archives'] = '%s#reference' % self.options.reference
# set the number of reduce tasks
if self.options.align_only:
n_red_tasks = 0
if self.options.num_reducers and self.options.num_reducers > 0:
self.logger.warning(
"Number of reduce tasks must be 0 when doing --align-only."
)
self.logger.warning("Ignoring request for %d reduce tasks",
self.options.num_reducers)
elif self.options.num_reducers:
n_red_tasks = self.options.num_reducers
else:
n_red_tasks = SeqalSubmit.DefaultReduceTasksPerNode * hadut.get_num_nodes(
)
self.properties['mapred.reduce.tasks'] = n_red_tasks
