We are thrilled to announce the release of:
oslo.db 4.6.0: Oslo Database library
This release is part of the mitaka release series.
With source available at:
http://git.openstack.org/cgit/openstack/oslo.db
With package available at:
https://pypi.python.org/pypi/oslo.db
Please report issues through launchpad:
http://bugs.launchpad.net/oslo.db
For more details, please see below.
4.6.0
^^^^^
Upgrade Notes
*************
* The default value of "max_overflow" config option has been
increased from 10 to 50 in order to allow OpenStack services heavily
using DBs to better handle spikes of concurrent requests and lower
the probability of getting a pool timeout issue.
This change potentially leads to increasing of the number of open
connections to an RDBMS server. Depending on the configuration, you
may see "too many connections" errors in logs of OpenStack services
/ RDBMS server. The max limit of connections can be set by the means
of these config options:
http://dev.mysql.com/doc/refman/5.7/en/server-system-
variables.html#sysvar_max_connections
http://www.postgresql.org/docs/current/static/runtime-config-
connection.html#GUC-MAX-CONNECTIONS
For details, please see the following LP:
https://bugs.launchpad.net/oslo.db/+bug/1535375
and the ML thread:
http://lists.openstack.org/pipermail/openstack-
dev/2015-December/082717.html
Other Notes
***********
* Introduce reno for deployer release notes.
Changes in oslo.db 4.5.0..4.6.0
-------------------------------
db5ecf6 Increase the default max_overflow value
8717f08 Updated from global requirements
91cd18e add reno for release notes management
a78c2fe Updated from global requirements
ca1cbe9 Updated from global requirements
15a05b3 Clarify the types for retry_interval args of wrap_db_retry
Diffstat (except docs and test files)
-------------------------------------
oslo_db/api.py | 7 +-
oslo_db/options.py | 1 +
releasenotes/notes/add-reno-e5c2f63e73c25959.yaml | 3 +
...ease-default-max-overflow-0af787268807f926.yaml | 25 ++
releasenotes/source/_static/.placeholder | 0
releasenotes/source/_templates/.placeholder | 0
releasenotes/source/conf.py | 277 +++++++++++++++++++++
releasenotes/source/index.rst | 9 +
releasenotes/source/liberty.rst | 6 +
releasenotes/source/unreleased.rst | 5 +
requirements.txt | 2 +-
setup.cfg | 3 +-
tox.ini | 3 +
13 files changed, 336 insertions(+), 5 deletions(-)
Requirements updates
--------------------
diff --git a/requirements.txt b/requirements.txt
index 3bc705b..352db43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11 +11 @@ oslo.context>=0.2.0 # Apache-2.0
-oslo.utils>=3.4.0 # Apache-2.0
+oslo.utils>=3.5.0 # Apache-2.0
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