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[IMP] queue_job: Recover gracefully when the CPU limit is reached #419

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Apr 19, 2022
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14 changes: 14 additions & 0 deletions queue_job/jobrunner/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ def __init__(self, multi):
super(WorkerJobRunner, self).__init__(multi)
self.watchdog_timeout = None
self.runner = QueueJobRunner.from_environ_or_config()
self._recover = False

def sleep(self):
pass
Expand All @@ -64,10 +65,23 @@ def signal_handler(self, sig, frame):
self.runner.stop()

def process_work(self):
if self._recover:
_logger.info("WorkerJobRunner (%s) runner is reinitialized", self.pid)
self.runner = QueueJobRunner.from_environ_or_config()
self._recover = False
_logger.debug("WorkerJobRunner (%s) starting up", self.pid)
time.sleep(START_DELAY)
self.runner.run()

def signal_time_expired_handler(self, n, stack):
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An chance to point how and when this method will be called?

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Sure!! The function is called once the time is filled. Is preconfigured on the Worker here
https://github.com/odoo/odoo/blob/13.0/odoo/service/server.py#L967

The original value can be found here
https://github.com/odoo/odoo/blob/13.0/odoo/service/server.py#L911-L916

The CPU max time value is defined here.
https://github.com/odoo/odoo/blob/13.0/odoo/service/server.py#L948
Once this time has been reached, the error function is executed everysecond. With the original function, an exception was called

_logger.info(
"Worker (%d) CPU time limit (%s) reached.Stop gracefully and recover",
self.pid,
config["limit_time_cpu"],
)
self._recover = True
self.runner.stop()


runner_thread = None

Expand Down