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Python MesosSchedulerDriver.join方法代码示例

本文整理汇总了Python中pymesos.MesosSchedulerDriver.join方法的典型用法代码示例。如果您正苦于以下问题:Python MesosSchedulerDriver.join方法的具体用法?Python MesosSchedulerDriver.join怎么用?Python MesosSchedulerDriver.join使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在pymesos.MesosSchedulerDriver的用法示例。


在下文中一共展示了MesosSchedulerDriver.join方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: TFMesosScheduler

# 需要导入模块: from pymesos import MesosSchedulerDriver [as 别名]
# 或者: from pymesos.MesosSchedulerDriver import join [as 别名]
class TFMesosScheduler(Scheduler):
    MAX_FAILURE_COUNT = 3

    def __init__(self, task_spec, role=None, master=None, name=None,
                 quiet=False, volumes={}, containerizer_type=None,
                 force_pull_image=False, forward_addresses=None,
                 protocol='grpc', env={}, extra_config={}):
        self.started = False
        self.master = master or os.environ['MESOS_MASTER']
        self.name = name or '[tensorflow] %s %s' % (
            os.path.abspath(sys.argv[0]), ' '.join(sys.argv[1:]))
        self.task_spec = task_spec
        self.containerizer_type = containerizer_type
        self.force_pull_image = force_pull_image
        self.protocol = protocol
        self.extra_config = extra_config
        self.forward_addresses = forward_addresses
        self.role = role or '*'
        self.tasks = {}
        self.task_failure_count = {}
        self.job_finished = {}
        for job in task_spec:
            self.job_finished[job.name] = 0
            for task_index in range(job.start, job.num):
                mesos_task_id = str(uuid.uuid4())
                task = Task(
                    mesos_task_id,
                    job.name,
                    task_index,
                    cpus=job.cpus,
                    mem=job.mem,
                    gpus=job.gpus,
                    cmd=job.cmd,
                    volumes=volumes,
                    env=env
                )
                self.tasks[mesos_task_id] = task
                self.task_failure_count[self.decorated_task_index(task)] = 0

        if not quiet:
            global logger
            setup_logger(logger)

    def resourceOffers(self, driver, offers):
        '''
        Offer resources and launch tasks
        '''

        for offer in offers:
            if all(task.offered for id, task in iteritems(self.tasks)):
                self.driver.suppressOffers()
                driver.declineOffer(offer.id, Dict(refuse_seconds=FOREVER))
                continue

            offered_cpus = offered_mem = 0.0
            offered_gpus = []
            offered_tasks = []
            gpu_resource_type = None

            for resource in offer.resources:
                if resource.name == 'cpus':
                    offered_cpus = resource.scalar.value
                elif resource.name == 'mem':
                    offered_mem = resource.scalar.value
                elif resource.name == 'gpus':
                    if resource.type == 'SET':
                        offered_gpus = resource.set.item
                    else:
                        offered_gpus = list(range(int(resource.scalar.value)))

                    gpu_resource_type = resource.type

            for id, task in iteritems(self.tasks):
                if task.offered:
                    continue

                if not (task.cpus <= offered_cpus and
                        task.mem <= offered_mem and
                        task.gpus <= len(offered_gpus)):

                    continue

                offered_cpus -= task.cpus
                offered_mem -= task.mem
                gpus = int(math.ceil(task.gpus))
                gpu_uuids = offered_gpus[:gpus]
                offered_gpus = offered_gpus[gpus:]
                task.offered = True
                offered_tasks.append(
                    task.to_task_info(
                        offer, self.addr, gpu_uuids=gpu_uuids,
                        gpu_resource_type=gpu_resource_type,
                        containerizer_type=self.containerizer_type,
                        force_pull_image=self.force_pull_image
                    )
                )

            driver.launchTasks(offer.id, offered_tasks)

    @property
#.........这里部分代码省略.........
开发者ID:douban,项目名称:tfmesos,代码行数:103,代码来源:scheduler.py

示例2: spawn_rconsole

# 需要导入模块: from pymesos import MesosSchedulerDriver [as 别名]
# 或者: from pymesos.MesosSchedulerDriver import join [as 别名]
    signal.signal(signal.SIGABRT, handler)
    signal.signal(signal.SIGQUIT, handler)

    spawn_rconsole(locals())

    try:
        driver.start()
        sched.run(driver)
    except KeyboardInterrupt:
        logger.warning('stopped by KeyboardInterrupt')
        sched.stop(EXIT_KEYBORAD)
    except Exception as e:
        import traceback

        logger.warning('catch unexpected Exception, exit now. %s',
                       traceback.format_exc())
        sched.stop(EXIT_EXCEPTION)
    finally:
        try:
            sched.dump_stats()
        except:
            logger.exception("dump stats fail, ignore it.")
        # sched.lock may be in WRONG status.
        # if any thread of sched may use lock or call driver, join it first
        driver.stop(False)
        driver.join()
        # mesos resourses are released, and no racer for lock any more
        sched.cleanup()
        ctx.term()
        sys.exit(sched.ec)
开发者ID:douban,项目名称:dpark,代码行数:32,代码来源:scheduler.py


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