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Increase DB connection pool size to 10

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This is to address some errors we saw yesterday such as:

`sqlalchemy.exc.TimeoutError: QueuePool limit of size 5 overflow 10
reached, connection timed out, timeout 30`

Related flask-sqlalchemy docs:
http://flask-sqlalchemy.pocoo.org/2.3/config/#configuration-keys
This commit is contained in:
Athanasios Voutsadakis
2018-02-21 15:44:03 +00:00
parent f248234cfc
commit dc19e644a6
2 changed files with 2 additions and 0 deletions
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1
app/config.py
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@@ -127,6 +127,7 @@ class Config(object):
SQLALCHEMY_COMMIT_ON_TEARDOWN = False SQLALCHEMY_COMMIT_ON_TEARDOWN = False
SQLALCHEMY_RECORD_QUERIES = True SQLALCHEMY_RECORD_QUERIES = True
SQLALCHEMY_TRACK_MODIFICATIONS = True SQLALCHEMY_TRACK_MODIFICATIONS = True
SQLALCHEMY_POOL_SIZE = os.environ.get('SQLALCHEMY_POOL_SIZE', 5)
SQLALCHEMY_POOL_TIMEOUT = 30 SQLALCHEMY_POOL_TIMEOUT = 30
SQLALCHEMY_POOL_RECYCLE = 300 SQLALCHEMY_POOL_RECYCLE = 300
PAGE_SIZE = 50 PAGE_SIZE = 50

1
manifest-api-base.yml
View File

@@ -9,6 +9,7 @@ env:
CW_APP_NAME: api CW_APP_NAME: api
# required by cf run-task # required by cf run-task
FLASK_APP: application.py FLASK_APP: application.py
SQLALCHEMY_POOL_SIZE: 10
# Credentials variables # Credentials variables
ADMIN_BASE_URL: null ADMIN_BASE_URL: null