Eventlet memory leak

growing.py

import eventlet
import eventlet.debug
eventlet.debug.hub_exceptions(False)

import objgraph
import gc
import uuid


threads = {}


class Foo(object):
    def __init__(self, ident):
        self.thread = threads[ident]


def target(ident):
    foo = Foo(ident)
    raise Exception("boom")


def status():
    while True:
        gc.collect()
        print("Foo count: ", objgraph.count('Foo'))
        print("GreenThread count: ", objgraph.count('eventlet.greenthread.GreenThread'))
        print("Active thread count: "len(threads))
        eventlet.sleep(5)


def cleanup(gt, ident):
    del threads[ident]


eventlet.spawn_n(status)


while True:
    ident = uuid.uuid4()
    gt = eventlet.spawn(target, ident)
    gt.link(cleanup, ident)
    threads[ident] = gt
    eventlet.sleep(.1)

requirements.txt

eventlet
objgraph

simple.py

import eventlet
import eventlet.debug
eventlet.debug.hub_exceptions(False)

import objgraph
import gc


threads = {}


class Foo(object):
    def __init__(self, index):
        self.thread = threads[index]


def target(index):
    foo = Foo(index)
    if index % 2 == 0:
        raise Exception("boom")


for index in range(10):
    gt = eventlet.spawn(target, index)
    threads[index] = gt


eventlet.sleep()

del threads
gc.collect()


print("Foo count: ", objgraph.count('Foo'))
print("GreenThread count: ", objgraph.count('eventlet.greenthread.GreenThread'))