annotate test/test_mailer.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>
date Thu, 16 Dec 2021 20:02:00 -0500
parents 95a366d46065
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
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1 #-*- encoding: utf-8 -*-
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Richard Jones <richard@users.sourceforge.net>
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2 import unittest
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3
94ee533613ac Attempt to generate more human-readable addresses in email
Richard Jones <richard@users.sourceforge.net>
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4 from roundup import mailer
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5
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6 class EncodingTestCase(unittest.TestCase):
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182d8c41a3aa Fix mailer encoding test:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4338
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7 def testEncoding(self):
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95a366d46065 Replace deprecated assertEquals with assertEqual and failUnlessRaises
John Rouillard <rouilj@ieee.org>
parents: 5458
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8 a = lambda n, a, c, o: self.assertEqual(mailer.nice_sender_header(n,
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Richard Jones <richard@users.sourceforge.net>
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9 a, c), o)
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4338
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10 a('ascii', 'ascii@test.com', 'iso8859-1', 'ascii <ascii@test.com>')
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4338
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11 a(u'café', 'ascii@test.com', 'iso8859-1',
182d8c41a3aa Fix mailer encoding test:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4338
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12 '=?iso8859-1?q?caf=E9?= <ascii@test.com>')
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bc2e682e0305 fixed encoding issues in mailer
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5248
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13 a(u'café', 'ascii@test.com', 'utf-8',
bc2e682e0305 fixed encoding issues in mailer
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5248
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14 '=?utf-8?b?Y2Fmw6k=?= <ascii@test.com>')
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4338
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15 a('as"ii', 'ascii@test.com', 'iso8859-1', '"as\\"ii" <ascii@test.com>')
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Richard Jones <richard@users.sourceforge.net>
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16
94ee533613ac Attempt to generate more human-readable addresses in email
Richard Jones <richard@users.sourceforge.net>
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17 # vim: set et sts=4 sw=4 :

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