openstack/openstack-manuals
Code Issues Proposed changes

[install] Mentions SQL max connection error

Browse Source 
It is worth mentioning about the maximum number of
connections error messages to give hints how to deal
with such kind of errors.

Change-Id: Iee67650c97c40db49a1ee23ea4015d25ec380978
Closes-Bug: #1749681
This commit is contained in:
Ian Y. Choi 2018-02-16 13:12:48 +00:00
parent 49fdad8dc8
commit 36d003613e
1 changed files with 9 additions and 0 deletions
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9
doc/install-guide/source/environment-sql-database.rst
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@ -7,6 +7,15 @@ guide use MariaDB or MySQL depending on the distribution. OpenStack
services also support other SQL databases including
`PostgreSQL <https://www.postgresql.org/>`__.
.. note::
If you see ``Too many connections`` or ``Too many open files``
error log messages on OpenStack services, verify that maximum number of
connection settings are well applied to your environment.
In MariaDB, you may also need to change
`open_files_limit <https://mariadb.com/kb/en/library/server-system-variables/#open_files_limit>`__
configuration.
.. toctree::
:glob: