Gevent Multithreading

For example, gevent. 따라서 이 글에서는 Threading 과 Queue 에 대해서 알아본다. 我是一个gevent新手,但我想我有一个有限的意义上的— 。 基本上,对于 1个池,代码继续运行,而对于较大池,代码会被阻塞. One of the key issues with threading models built on shared non-transactional memory is that they are a broken approach to general purpose concurrency. Is it possible to start Docker containers in parallel using docker-py without having Kubernetes or swarm being involved? I tried. OLPC chose Python, as did RaspberryPI which is the most Readability one. from gevent import wsgi, monkey class WebServer "Hello, world" -- Gevent vs. Example 1 - listing records for a zone with a known id;. Something that is provided by Tulip (included in Python 3. I have an nginx with uwsgi & 1. Event and multiprocessing. Continuing on in my series on gevent and Python, this article gets down into practical details, showing you how to install gevent and get started with basic. But the GIL. However if you just have a batch of HTTP based requests you want to run asynchronously, Kenneth Reitz, who wrote the excellent requests module I used in the Posting to Slack blog entry, has released grequests; basicly a monkey patch for requests to use the gevent module to make asynchronous calls. 0 page on gevent. I have to loop through a list of over 4000 urls and check their http return code in python. If you're just getting started with Gevent, you might want to read the previous articles in this series first:. If I try to ping two or more IPs one after the other, it works fine. In the meantime it turned out that I have to rewrite some old CGI application written in C, which have worked with thttpd server in chroot mode. 参考 gevent程序员指南之超时 参考 gevent 延时、定时、超时、io等待、动态添加任务. 使用Multithreading时, 无法返回不能pickle的数据 使用gevent 协程. But this module does not provide a Poller yet. In practice, Stackless Python uses the C stack, but the stack is cleared between function calls. py, we define a thread object that will continually create random numbers and emit them using socketIO separately to the main flask process:. Instead of the infinite loop, the loop can use a threading. Philosopher-Programmer Carl Johnson responds, with an experiment comparing notes for Asyncio and Go. 如何在主线程内接收消息,实例importredis importQueue importtime importthreading fromthreadingimportThread main_queue=Queue. start() Select all Open in new window. We see also that an extremely low-latency async approach, e. It's possible to update the information on gevent or report it as discontinued, duplicated or spam. Package name does no No parameter name sp gevent modules eventlet gevent saltstack gevent python gevent gevent threading gevent queue gevent gevent gevent Modules. Gevent is the use of simple, the global variable usage in libevent made it hard to use libevent safely in multithreaded environments. If we were in a multithreaded environment, the scheduler would simply switch to another thread while the other one is waiting for I/O. You'll need to do this for all of your non-background threads. The reason for this is that there is a. In Flask application I am loading some Machine Learning models. green in place of zmq from zmq import green as zmq. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. gevent multithreading python; Почему `gevent. Real-time apps with gevent-socketio. As green threads have some limitations compared to native threads, subsequent Java versions dropped them in favor of native threads. View Elad Sofer's profile on LinkedIn, (VMware API), paramiko, JunitXML, JIRA API, Flask (MVC), Foreman API, Stash API, Multithreading, gevent - greenlets. The results of this prototype should document why the new approach is superior to the current PyCC implementation and what is involved in the implementation. This article describes the Python threading synchronization mechanisms in details. How are queues made thread-safe in Python. 使用Multithreading时, 无法返回不能pickle的数据(因为需要通过pickle来跨进程交换数据) stopit 1. There's no isolation, so all the locking is still needed. What is the effect of pydevd. >> gevent which is the similar project of eventlet. But a multithreaded process is useful in programs such as web browsers when we want to download a file, view an animation and print something all at the same time. If we were in a multithreaded environment, the scheduler would simply switch to another thread while the other one is waiting for I/O. Python's Hardest Problem, Revisited. Python requests. :param hostname: The host http://sdiehl. With threading, Python waits for all of the threads to finish. Here is a simple example:. As suggested by everyone, I can't use Flask in production. Java Multithreading Interview Questions; JDBC Interview Questions and Answers; Hibernate Interview Questions and Answers; gevent-1. 6 psycopg2 2. I still consider it useful background and explanatory info, but that PEP’s already going to be massive, so it makes sense that he’d prefer to keep the PEP text aimed at those that already understand the specific problems he is trying to. We use gevent. gevent_zmq is a library that patches pyzmq so it interacts well with gevent. The run () method takes optional host and port arguments, but by default it will listen on localhost:5000 like Flask's development web server. This means you can't serve your WSGI app out of Apache like you might be used to doing (however, it should be possible to proxy requests from a front-end load balancer, but I haven't experimented with proxying web sockets). arachne has three modes of running each script: through the multithreading module, through gevent pools, and by using the celery framework through celery workers. gevent is a coroutine-based Python networking library that uses greenlet to provide a high-level synchronous API on top of libevent event loop. Threads approach looks simple and intuitive. Given this code: from gevent import monkey monkey. The uWSGI project¶. def do_task_2(): # 任何函数都可以查找出当前线程的std变量: std = global_dict[threading. But when you put gevent. 1, green threads were the only threading model used by the Java virtual machine (JVM), at least on Solaris. This weekend I decided to take a short vacation from. > (for the tl;dr crowd: For most Python programmers, who are running their code on Linux or similar UNIX platforms, the best way to "do multithreading" is to use the. It useful to be able to spawn a. shutdown() at the end or increase timeout while. Celery is an asynchronous task queue/job queue based on distributed message passing. 0, so: - from gevent. My web site archives the daily server logs. that of gevent, is also slower than threads, but not by much, which confirms first that async IO is definitely not faster in this scenario, but also because asyncio is so much slower than gevent, that it is in fact the in-Python overhead of asyncio's coroutines and other Python. WebSocket support¶ In uWSGI 1. Return the approximate size of the queue. getpid () time. 我是一个gevent新手,但我想我有一个有限的意义上的— 。 基本上,对于 1个池,代码继续运行,而对于较大池,代码会被阻塞. GOAL "Understand the problem with multithreading in python. Thread is really creating a greenlet, not a Python thread (and likewise for thread. This fails very infrequently with gevent. Microsoft is supporting a couple awesome events in the next couple days that I’d love to share with you! First Local Students will be working alongside local techies to pitch solutions in three areas:. Optional features include a reloader, multithreading and fork support. Canopy provides 600+ scientific and analytic Python packages plus an integrated environment for data analysis, visualization & application development. First let’s build out a simple database model. Generated the tutorial. " I believe after answering following points, we should understand. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy. The Queue module allows you to create a new queue object that can hold a specific number of items. Another thread may be able to get at threading. It's a valid question. Because gevent is based on lightweight "threads" the gevent library contains a wealth of concurrency tools that help you spawn greenlets, implement critical sections (locks/mutexes), and pass messages between greenlets. 我的主进程是一个 rpc 服务器(不能被阻塞),我只想要异步执行一段代码,不想要结果(代码片段会调用 client 通知结果给主进程), 如果用join 会阻塞。. As green threads have some limitations compared to native threads, subsequent Java versions dropped them in favor of native threads. twitter: @sopier. Learn to write a Multithreaded Python server which can work with multiple TCP clients. 3 and gevent 1. Python has a terrible rep when it comes to its parallel processing capabilities. Ignoring the standard arguments about. 이를 구현하기 위해선 결과값들을 글로벌 전역. I have seen many blog entries and technical notes about gunicorn and possibilities since 6. Each task is a wrapped callable that takes at least one parameter task, a reference to itself. This gevent tutorial gets down into practical details, showing you how to install gevent and get started with basic greenlet operations. For this purpose, we’ll be using the Python threading module to create a thread that generates random numbers regularly, and emits the newest value to all connected clients. Continuing on in my series on gevent and Python, this article gets down into practical details, showing you how to install gevent and get started with basic. gevent is very cool, but probably overkill for my limited used case. joinall(jobs)我有建立一个python学习交流群,在群里我们相互帮助,相互关心,相互分享内容,这样出问题帮助你的人就比较多,群号是301,还有056,最后是069,这样就可以找到大神聚合的群,如果你只愿意别人帮助你,不愿意分享或者帮助别人,那就请不要. Stackless Python is a fork of CPython that supports additional concurrency primitives. A thread is a lightweight sub-process, the smallest unit of processing. Efficiently Exploiting Multiple Cores with Python. 1 Direct Connect Pro is a multiplexing, multithreaded, multithreaded, Gevent-fastcgi FastCGI/WSGI server implementation using gevent. RLock) to control access to these multi-step operations, and prevent threads from interfering with each other. Both multithreading and multiprocessing allow Python code to run Gevent works wonders for this kind of I/O bound concurrency problem if you have to. Threaded Asynchronous Magic and How to Wield closer to multithreading. Threading is a feature usually provided by the operating system. When you attempt to spawn a thread on a gevent pool, gevent will check if the pool is full, and wait for an availability if it isn’t. A multithreaded program contains two or more parts that can run concurrently. Multithreading - Event Objects between Threads. 楼主今天第一次用python基于greenlet实现的第三方协程库gevent,由于gevent在切换IO操作(文件IO、网络IO)时是自动完成的,所以gevent需要通过修改Python自带的一些阻塞式系统调用的标准库,包括socket、ssl、threading和 select等模块,而变为协程,这一过程需要在启动时通过monkey patch完成。. Philosopher-Programmer Carl Johnson responds, with an experiment comparing notes for Asyncio and Go. We see also that an extremely low-latency async approach, e. To install gevent, run: pip install gevent. increment # Run two threads that increment the counter: t1 = Thread (target = go) t1. Gevent is a implementation of green threading that uses libevent. Lightweight execution units based on greenlets. Concurrency VS Parallelism ?. Thread import multiprocessing import os import time def func (): print "hello from process %s " % os. Gevent-socketio comes with one important caveat: you must use the gevent pywsgi server. If you really wanted multithreaded events you might consider this a feature to truly support multithreading. While gevent isn't truly multi-threaded in the fully parallel sense, it creates the kind of time-sliced approximation of threading that makes the distinction academic for most local or reasonably low-volume Web apps. This gevent tutorial gets down into practical details, showing you how to install gevent and get started with basic greenlet operations. Session class includes a reenterant lock (threading. To our knowledge, they has never been an efficient attempt to multithreaded coroutines in Cython-only before. Among other things, it patches the Python threading library and replaces it. You can approach the same thing via Greenlet. Celery’s documentation[0] provides an example of using 1000 concurrent eventlets per machine. 我是一个gevent新手,但我想我有一个有限的意义上的— 。 基本上,对于 1个池,代码继续运行,而对于较大池,代码会被阻塞. Werkzeug's multithreaded and multiprocessed development server. I assume that this should be runnable in Apache, but I so far have not been able to find a solution. Because gevent is based on lightweight "threads" the gevent library contains a wealth of concurrency tools that help you spawn greenlets, implement critical sections (locks/mutexes), and pass messages between greenlets. coroutine -- technically the flag is the CO_ITERABLE_COROUTINE flag on a code object -- or a subclass of collections. Add gevent. They always crash-on-shutdown with gevent. - provides a way to create new Lua states from within Lua and to pass them to other threads in arbitrary multi-threading scenarios. I am trying to develop new sensor code (BPM180 barometer), and keep hitting problems when I finally try to put it into open_ag, this was a fresh build of docker, to make sure I had a 'clean' open_ag system. * Lightweight execution units based on greenlet. Steps to reproduce: Run dev server in the standard way ". Session class includes a reenterant lock (threading. 즉, 아래에서 보듯이 sock. If we were in a multithreaded environment, the scheduler would simply switch to another thread while the other one is waiting for I/O. 在利用Python进行系统管理的时候,特别是同时操作多个文件目录,或者远程控制多台主机,并行操作可以节约大量的时间。. 4 b1 Gunicorn 0. 使用Multithreading时, 无法返回不能pickle的数据(因为需要通过pickle来跨进程交换数据) stopit 1. - gevent 사용하는 방식에 대한 글이며 gevent for the Working Python Developer, - gevent 와 asyncio 에 대한 비교글입니다. In this Python threading example, we will write a new module to replace single. Python 2 and 3 have large number of APIs dedicated for parallel/concurrent programming. I still have some questions, but it is becoming more clear. 4 以上。任何旧的东西 都不会再维护并且使用它们是非常危险的。. The other way to make a coroutine is to flag a generator with types. BBQSQL:gevent Coroutine ~ function You spawn many simultaneous coroutines Only one runs at a time When a coroutine encounters blocking (network IO) it yields and allows the next coroutine to run while it waits This forms an event-loop Functionally, it appears to act like threading. Hi, For more complex concurrency situations I use the gevent library (www. Thread `от monkeypatched?. 3+, see bottom of the article for more information). How to run Flask with Gunicorn in multithreaded mode. Parallelism in One Line. Some settings are only able to be set from a configuration file. 服务端 socket 开发之多线程和 gevent 框架并发测试【pyt. Limitations of Python in implementing concurrent applications. Having a true reference point to compare our experiment to is quite difficult. io,flask-socketio. It is not built on top of one of them. 我是一个gevent新手,但我想我有一个有限的意义上的— 。 基本上,对于 1个池,代码继续运行,而对于较大池,代码会被阻塞. 위 예시에서 멍키패치란걸 하는데, 이 멍키패치는 기존의 소켓이라던가 I/O 작업을 하는 애들을 non-blocking으로 바꿔준다. GeventActor (*args, **kwargs) [source] ¶ GeventActor implements pykka. Therefore it is only in multithreaded programs that spend a lot of The threading and the multiprocessing modules follow a preemptive http://www. Stackless Python, or Stackless, is a Python programming language interpreter, so named because it avoids depending on the C call stack for its own stack. Hi, I'm having an issue with a ping class that uses IcmpSendEcho. Threads approach looks simple and intuitive. x (libevent) 2011 Gevent 1. Among other things, it patches the Python threading library and replaces it. Greenlets are an implementation of cooperative multi-threading for Python. 0 is fully compatible with Python 2. メモリを節約したい場面でも. Python Multithreading Tutorial: Concurrency and "Gunicorn can work with gevent to create a server that can support multiple clients within a single worker. According to this thread your main loop ends before all threads have done its job. Now many of us might have used gevent in place of Python's threading for asynchronous tasks for Multithreading; Python; Gevent; Programming Tips; 190. Python has a terrible rep when it comes to its parallel processing capabilities. 14 Gevent 0. Warning Libraries that monkeypatch Python, such as gevent , may be supported, but are not currently being tested. ワクワクするから Gevent を使うというのはアリ :-) マルチコア・マルチスレッド・高負荷のとき. server in v1. However, we use multithreading than multiprocessing because threads use a shared memory area. 3+, see bottom of the article for more information). GitHub Gist: star and fork malefs's gists by creating an account on GitHub. Using it is as simple as:. Example: dl_multithreading. 服务端 socket 开发之多线程和 gevent 框架并发测试【pyt. Defining a method with async def makes it a coroutine. spawn(…)とは異なる. Async functions need to run on an event loop, and while they can call synchronous functions, it's dangerous. WebSocket support¶ In uWSGI 1. ws4py offers a server implementation for this library on top of the WSGI protocol. Libcloud’s primary task is to communicate with different provider APIs using HTTP. Ask import socket import threading import gevent from gevent import monkey is a well behaved multithreaded. A multithreaded program contains two or more parts that can run concurrently. Scaling real world applications using gevent 1 Threads Multithreading wonder 25 20 15 1 Core Time(s) 4 cores 10 5 0. Return the approximate size of the queue. A slight variation #7(B) of this is where the list of delegates starts to get one event sent to the list and then gets another event sent to it even before the first event has completed firing to the full list. gevent version: 1. uWSGI is a very active project with a fast release cycle. In this Python threading example, we will write a new module to replace single. io,flask-socketio. gevent 세계에서 당신은 이 작업을 수행할 수 있지만, 콜백을 사용할 순 없다. An year ago I started learning Go, mainly for fun. A positive consequence is that ``import gevent. WSGI-over-FastCGI server implemented using gevent coroutine-based networking library. They support mutual exclusion of threads of control. When using Gunicorn with a Gevent type of worker, Gevent is “monkey patching” our code to be more a-sync suitable. Both multithreading and multiprocessing allow Python code to run Gevent works wonders for this kind of I/O bound concurrency problem if you have to. gevent: gunicorn vs uWSGI. ØMQ maintainer Pieter Hintjens takes you on a tour of real-world applications, using extended examples in C to help you work with ØMQ’s API, sockets, and patterns. 0 page on gevent. It's a compromise that allows you to speed up synchronous operations to the point of being comparable to multithreading. To build the Web applications I use mostly Python. " Can you please help me ?. I have an nginx with uwsgi & 1. Ive written the following code: def. If you don’t believe me, take a second and look at the “tech giants” such as Amazon, Google, Microsoft, etc. 3 If you need gevent later use the official way to install it $ sudo apt-get install python-gevent in the hope that it contains a _threading module and pyshark will start. patch_all(thread=False, socket=False, select=False) 可是这样就不能充分发挥gevent的优势,所以不能把multiprocessing Pool、threading Pool、gevent Pool在一个程序中对比。不过比较两图可以得出结论,线程池和gevent的性能最优的,其次是进程池。. Limitations of Python in implementing concurrent applications. 0, so: - from gevent. GOAL "Understand the problem with multithreading in python. The threading module allows to spawn OS Threads (M on MPG), that are cheap on CPU and RAM. Is it possible to start Docker containers in parallel using docker-py without having Kubernetes or swarm being involved? I tried. spawn(…)とは異なる. Multithreading issue - Dining Philosopher. 14 Gevent 0. Threads approach looks simple and intuitive. Must use gevent-aware routines when blocking Locking is not necessary Use gevent. gevent是一个著名的开发框架。通过本课程可以学习到gevent的各个组件的原理、使用方法及高级技巧,并在实践中掌握gevent的应用场景,最后通过部分源码分析彻底掌握多开发编程的核心技巧。. ProgrammingError: execute cannot be used while an asynchronous query is underway DatabaseError: execute cannot be used while an asynchronous query is underway After getting the following versions: Django 1. I have to loop through a list of over 4000 urls and check their http return code in python. Celery is an asynchronous task queue/job queue based on distributed message passing. Starting with Python 2. The threading module allows to spawn OS Threads (M on MPG), that are cheap on CPU and RAM. ws4py offers a server implementation for this library on top of the WSGI protocol. 6, this module provides PEP 8 compliant aliases and properties to replace the camelCase names that were inspired by Java's threading API. 3 If you need gevent later use the official way to install it $ sudo apt-get install python-gevent in the hope that it contains a _threading module and pyshark will start. The Gevent loop engine¶ Gevent is an amazing non-blocking Python network library built on top of libev and greenlet. joinall(jobs)我有建立一个python学习交流群,在群里我们相互帮助,相互关心,相互分享内容,这样出问题帮助你的人就比较多,群号是301,还有056,最后是069,这样就可以找到大神聚合的群,如果你只愿意别人帮助你,不愿意分享或者帮助别人,那就请不要. before running UI loop but I get Gevent uses Greenlets, I have nearly no experience with multithreading, gevent, greenlet. The interesting note is that the meinheld worker didn't scale very well at all. Conditionが正しくサルにパッチされているかどうかを確認しながら、threading. If you would like to support my work on any of these projects, please consider either buying a Tidelift subscription for dramatiq or molten or setting up a recurring payment via Patreon. worker-connections is a specific setting for the gevent worker class. For example, gevent. monkey and is not intended to be used directly. Add gevent. I used Yappi for this investigation, since it’s the most featureful. pool来做。加入到pool中的greenlet可以正常运行,但运行结束后 并没有释放pool的空间,导致pool被占满,后续任务无法执行。. Example 1 - listing records for a zone with a known id;. The second limitation of sequences is that sequences can only represent datasets of known, finite length. local in all aspects is thread local data. Python comes with a limitation for concurrent applications. asked Jul 18 in Machine Learning by ParasSharma1 app -k gevent --worker. " Here's an example line:. Instead of the infinite loop, the loop can use a threading. gevent For the Working Python Developer Written by the Gevent Community gevent is a concurrency library based around libev. A positive consequence is that ``import gevent. This causes some problems - since each of the crawler greenlets is calling pool. The threading library can be used to execute any Python callable in its own thread. OS threads; Shared memory gevent patches blocking system calls in the standard library including those. In computer architecture, multithreading is the ability of a central processing unit (CPU) (or a single core in a multi-core processor) to provide multiple threads of execution concurrently, supported by the operating system. Gevent is an ultra-fast networking library built on top of the greenlet module. local data with setattr(). GitHub Gist: star and fork malefs's gists by creating an account on GitHub. 0, so: - from gevent. txt: Contains a list of 4000 urls with one url per line. Lightweight execution units based on greenlets. In general, an application should be able to make use of these worker classes with no changes. If the gEvent would be in non-signaled state,. patch_all(thread=False, socket=False, select=False) 可是这样就不能充分发挥gevent的优势,所以不能把multiprocessing Pool、threading Pool、gevent Pool在一个程序中对比。不过比较两图可以得出结论,线程池和gevent的性能最优的,其次是进程池。. Let's summarize all of this into simpler terms. features, multiprocessing, asyncio, gevent and greenlets, etc. My behavior is slightly bizarre - the breakpoint is hit, but no variables load and no thread/stack information loads, and all the step buttons stay grayed out. Learn to write a Multithreaded Python server which can work with multiple TCP clients. (2*CPU)+1 is still the suggested workers since we only have 1 core,. Proper timer in Python. I have couple of issues with this code. python,multithreading,gevent. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy. The second limitation of sequences is that sequences can only represent datasets of known, finite length. Ive written the following code: def. We use gevent. Concurrency of my web application can go up to 1000 requests. It is built on top of libevent/libev (for asynchronous I/O) and greenlets (lightweight cooperative multi-threading). A multithreaded program contains two or more parts that can run concurrently. Session class includes a reenterant lock (threading. gevent For the Working Python Developer Written by the Gevent Community gevent is a concurrency library based around libev. A Basic Example of Threads Synchronization in Python Sep 19 th , 2013 | Comments We will see how to use threading Events to have functions in different Python threads start at the same time. Can we write multithreading programs in C? Unlike Java, multithreading is not supported by the language standard. Hi, For more complex concurrency situations I use the gevent library (www. Hence, in application. Using MPG diagrams to see the differences between Threading, Multiprocessing and Asyncio,. Another positive consequence is that PyPy will no longer print a ``KeyError`` on exit if :mod:`gevent. > (for the tl;dr crowd: For most Python programmers, who are running their code on Linux or similar UNIX platforms, the best way to "do multithreading" is to use the. 0dev (libev, c-ares) Replaced libevent with libev. receive (timeout=None) ¶ It receives a message from the channel, blocking the calling thread until the response is received, or the timeout is triggered. Netius is a Python network library that can be used for the rapid creation of asynchronous non-blocking servers and clients. In your case it is mostly IO operations, so you can get good multithreading by using green threads. First we patch all the standard modules so that the stdlib runs well with as gevent. This means you can't serve your WSGI app out of Apache like you might be used to doing (however, it should be possible to proxy requests from a front-end load balancer, but I haven't experimented with proxying web sockets). In computer architecture, multithreading is the ability of a central processing unit (CPU) (or a single core in a multi-core processor) to provide multiple threads of execution concurrently, supported by the operating system. Async functions need to run on an event loop, and while they can call synchronous functions, it's dangerous. If you need some concurrency the standard library offers 3 official options: threading, multiprocessing and asyncio/coroutines. IO server can also be configured to work with multi-threaded web servers that use standard Python threads. With threading, Python waits for all of the threads to finish. The GNU Pth (portable threads) library is a "very portable POSIX/ANSI-C library for Unix platforms which providesnon-preemptive multithreading inside event-driven applications. If the gEvent would be in non-signaled state,. Yappi is a third-party package that can profile multiple threads. Benchmarking Go and Python Web servers. Celery is an asynchronous task queue/job queue based on distributed message Eventlet, or gevent. Await Is Your Friend. Event and multiprocessing. - gevent 사용하는 방식에 대한 글이며 gevent for the Working Python Developer, - gevent 와 asyncio 에 대한 비교글입니다. Net Framework Application Development Foundation only the Chapter 7. Java threading support in JDK 1. In un primo. In production mode the eventlet web server is used if available, else the gevent web server is used. We see also that an extremely low-latency async approach, e. Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. How are queues made thread-safe in Python. python python rq, python rq multiprocessing, python rq 多进程, rq, rq gevent Bookmark. It useful to be able to spawn a. The execution units, called tasks, are executed concurrently on a single or more worker servers using multiprocessing, Eventlet , or gevent. 我是一个gevent新手,但我想我有一个有限的意义上的— 。 基本上,对于 1个池,代码继续运行,而对于较大池,代码会被阻塞. 如果你用的是gevent1. Posts about gevent written by dustin. spawn` отличается от` threading. You'll need to do this for all of your non-background threads. thrift files: thrift - r -- gen py tutorial.