Mercurial > p > roundup > code
annotate roundup/anypy/findargspec.py @ 6565:2c2dbfc332ba
Try to handle multiple connections better.
The session database is a hot spot. When multiple requests (e.g. 20)
come in at the same time session database contention can get great.
The original code didn't retry session database access when the open
failed. This resulted in errors at the client.
The second pass delayed 0.01 seconds and retried. It was better but we
still had multiple second stalls. I think the first request got in,
everybody else backed up and then retried at the same time. Again they
stepped on each other. With logging I would see many counters go all
the way to low single digits or to -1 indicating falure.
This pass uses randomint to generate delays from 0-.125 seconds in 5ms
increments. This performs better in testing. I rarely saw a counter
less than 13 (2 failed retries). Current logging starts after 6
failures and counts down until success or failure.
| author | John Rouillard <rouilj@ieee.org> |
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| date | Thu, 16 Dec 2021 20:02:00 -0500 |
| parents | c588e64718fc |
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| rev | line source |
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Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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1 ''' Wrapper for getargspec to support other callables and python 3 support |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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2 |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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3 In python 3 just uses getfullargspec which handles regular functions |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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4 and classes with __call__ methods. |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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5 ''' |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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6 |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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7 try: |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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8 # Python 3+ |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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9 from inspect import getfullargspec as getargspec |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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10 findargspec = getargspec |
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flake8 fixes. use except ImportError; use callable() not hasattr(x, '__call__')
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11 except ImportError: |
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12 # Python 2.5-2.7 modified from https://bugs.python.org/issue20828 |
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Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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13 import inspect |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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14 |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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15 def findargspec(fn): |
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Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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16 if inspect.isfunction(fn) or inspect.ismethod(fn): |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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17 inspectable = fn |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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parents:
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18 elif inspect.isclass(fn): |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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19 inspectable = fn.__init__ |
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6021
c588e64718fc
flake8 fixes. use except ImportError; use callable() not hasattr(x, '__call__')
John Rouillard <rouilj@ieee.org>
parents:
5269
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20 elif callable(fn): |
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5269
c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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21 inspectable = fn.__call__ |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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22 else: |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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23 inspectable = fn |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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24 |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
John Rouillard <rouilj@ieee.org>
parents:
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25 try: |
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c94fd717e28c
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26 return inspect.getargspec(inspectable) |
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27 except TypeError: |
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c94fd717e28c
Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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28 raise |
