Web2py version: Version 2.14.6-stable+timestamp.2016.05.10.00.21.47
AFAIK, the scheduler is responsible, e.x.:
SETUP (e.x.):
scheduler.queue_task(
'test__task_insert', application_name='app', repeats=0, period=60,
timeout=3600, retry_failed=-1)
def task_insert():
db.table.insert(title='abc')
db.commit()
# db.close() -- same problem, doesn't matter
scheduler = Scheduler(db, {
'test__task_insert': task_insert
})
log output, when taks runs:
....
2018-11-13 13:14:11 EET LOG: duration: 0.029 ms statement: BEGIN
2018-11-13 13:14:11 EET LOG: duration: 0.340 ms statement: SELECT
scheduler_worker.id, scheduler_worker.worker_name,
scheduler_worker.first_heartbeat, scheduler_worker.last_heartbeat,
scheduler_worker.status, scheduler_worker.is_ticker,
scheduler_worker.group_names, scheduler_worker.worker_stats FROM
scheduler_worker WHERE (scheduler_worker.worker_name = 'web2py#8228');
2018-11-13 13:14:11 EET LOG: duration: 0.305 ms statement: UPDATE
scheduler_worker SET status='ACTIVE',last_heartbeat='2018-11-13
13:14:11',worker_stats='{"status": "RUNNING", "errors": 0, "workers": 1,
"queue": 1, "empty_runs": 0, "sleep": 3, "distribution": {"main":
{"workers": [{"c": 1, "name": "web2py#8228"}]}}, "total": 1}' WHERE
(scheduler_worker.worker_name = 'web2py#8228');
2018-11-13 13:14:11 EET LOG: duration: 1.890 ms statement: COMMIT
2018-11-13 13:14:11 EET LOG: duration: 0.067 ms statement: BEGIN
2018-11-13 13:14:11 EET LOG: duration: 0.046 ms statement: SET
CLIENT_ENCODING TO 'UTF8'
2018-11-13 13:14:11 EET LOG: duration: 0.020 ms statement: SET
standard_conforming_strings=on;
2018-11-13 13:14:11 EET LOG: duration: 0.047 ms statement: COMMIT
2018-11-13 13:14:12 EET LOG: duration: 0.029 ms statement: BEGIN
2018-11-13 13:14:12 EET LOG: duration: 2.413 ms statement: INSERT INTO
table(title) VALUES ('abc');
2018-11-13 13:14:12 EET LOG: duration: 2.594 ms statement: COMMIT
2018-11-13 13:14:12 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 13:14:12 EET LOG: duration: 0.029 ms statement: BEGIN
2018-11-13 13:14:12 EET LOG: duration: 0.285 ms statement: DELETE FROM
scheduler_run WHERE (scheduler_run.id = 967703);
2018-11-13 13:14:12 EET LOG: duration: 0.306 ms statement: UPDATE
scheduler_task SET status='QUEUED',next_run_time='2018-11-13
13:15:11',times_run=93796,times_failed=0 WHERE (scheduler_task.id = 371);
2018-11-13 13:14:12 EET LOG: duration: 2.426 ms statement: COMMIT
2018-11-13 13:14:12 EET LOG: duration: 0.024 ms statement: BEGIN
....
PROBLEM: "2018-11-13 13:14:12 EET LOG: could not receive data from
client: Connection reset by peer"
We have ~20 ish active schedulers, so the log gets flooded a lot, basically:
2018-11-13 09:21:00 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:21:00 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:21:00 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:21:16 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:21:46 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:22:00 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:22:00 EET LOG: could not receive data from client:
Connection reset by peer
2018-11-13 09:22:01 EET LOG: could not receive data from client:
Connection reset by peer
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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