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Introducing extended app process management.

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- Pre-fork 'processes.spare' application processes;
- fork more processes to keep 'processes.spare' idle processes;
- fork on-demand up to 'processes.max' count;
- scale down idle application processes above 'processes.spare' after
  'processes.idle_timeout';
- number of concurrently started application processes also limited by
  'processes.spare' (or 1, if spare is 0).
This commit is contained in:
Max Romanov
2018-01-29 16:17:36 +03:00
parent a36babddef
commit 9cd4fdbdb7
16 changed files with 984 additions and 139 deletions
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30
test/test_configuration.py
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@@ -14,7 +14,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
{
"ap\u0070": {
"type": "\u0070ython",
"workers": 1,
"processes": { "spare": 0 },
"path": "\u002Fapp",
"module": "wsgi"
}
@@ -25,7 +25,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
self.assertIn('success', self.conf({
"приложение": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -36,7 +36,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
{
"app": {
"type": "python",
"workers": \u0031,
"processes": { "spare": \u0030 },
"path": "/app",
"module": "wsgi"
}
@@ -49,18 +49,16 @@ class TestUnitConfiguration(unit.TestUnitControl):
def test_applications_string(self):
self.assertIn('error', self.conf('"{}"', '/applications'), 'string')
@unittest.expectedFailure
def test_negative_workers(self):
def test_negative_spare(self):
self.assertIn('error', self.conf({
"app": {
"type": "python",
"workers": -1,
"processes": { "spare": -1 },
"path": "/app",
"module": "wsgi"
}
}, '/applications'), 'negative workers')
}, '/applications'), 'negative spare')
@unittest.expectedFailure
def test_applications_type_only(self):
self.assertIn('error', self.conf({
"app": {
@@ -73,7 +71,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
{
app": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -85,7 +83,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
{
"app" {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -97,7 +95,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
{
"app": {
"type": "python"
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -112,7 +110,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
self.assertIn('success', self.conf({
"app": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "../app",
"module": "wsgi"
}
@@ -137,7 +135,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
"applications": {
"app": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -154,7 +152,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
"applications": {
"app": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -171,7 +169,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
"applications": {
"app": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}
@@ -188,7 +186,7 @@ class TestUnitConfiguration(unit.TestUnitControl):
"applications": {
"app": {
"type": "python",
"workers": 1,
"processes": { "spare": 0 },
"path": "/app",
"module": "wsgi"
}