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db: cache SCM instance short-term (tied to SQLAlchemy session lifetime)
Repeatedly checking whether SCM instances are invalidated is slow, and
we don't actually _want_ SCM instances to invalidate half-way through
a request either.
Therefore cache them in on the db.Repository object, the lifetime
of which is directly tied to the lifetime of the SQLAlchemy session,
the lifetime of which is tied directly to the individual HTTP request.
This way, we only check for invalidation the first time the SCM instance
is accessed in a request.
This will improve performance in cases where we have (by definition) badly
written code that retrieves repo objects several times.
Repeatedly checking whether SCM instances are invalidated is slow, and
we don't actually _want_ SCM instances to invalidate half-way through
a request either.
Therefore cache them in on the db.Repository object, the lifetime
of which is directly tied to the lifetime of the SQLAlchemy session,
the lifetime of which is tied directly to the individual HTTP request.
This way, we only check for invalidation the first time the SCM instance
is accessed in a request.
This will improve performance in cases where we have (by definition) badly
written code that retrieves repo objects several times.
5f481e4e888b 5f481e4e888b 22a3fa3c4254 beb4cbf30d00 22a3fa3c4254 22a3fa3c4254 03bbd33bc084 bdd1ddd05b7c 03bbd33bc084 03bbd33bc084 5f481e4e888b 03bbd33bc084 03bbd33bc084 03bbd33bc084 5f481e4e888b 5f481e4e888b 5f481e4e888b 5f481e4e888b 154becd92f40 5f481e4e888b 64b1a2320bcb d95ea48af67b e69d34136be5 3389f272ece1 57caeb60c52b 8b8edfc25856 bb35ad076e2f bb35ad076e2f bb35ad076e2f bb35ad076e2f bb35ad076e2f bbd499c7b55e 601282d36c06 aa17c7a1b8a5 bbd499c7b55e beb4cbf30d00 22a3fa3c4254 beb4cbf30d00 beb4cbf30d00 beb4cbf30d00 beb4cbf30d00 2079e864ce51 beb4cbf30d00 af371e206ec5 4d076981a7b1 aa90719e8520 4d076981a7b1 22a3fa3c4254 bb35ad076e2f bb35ad076e2f bb35ad076e2f 8b8edfc25856 bb35ad076e2f 42a87338035a 5f481e4e888b bb35ad076e2f bb35ad076e2f bb35ad076e2f 9da24750f563 bb35ad076e2f b43a121f3137 b43a121f3137 8b8edfc25856 bb35ad076e2f 5f481e4e888b ed2fb6e84a02 5f481e4e888b 5f481e4e888b 5f481e4e888b 5f481e4e888b fbbe80e3322b a60cd29ba7e2 5f481e4e888b 5f481e4e888b 5f481e4e888b 9472a0150bf0 5f481e4e888b a60cd29ba7e2 a60cd29ba7e2 a60cd29ba7e2 8b8edfc25856 | .. _index:
#######################
Kallithea Documentation
#######################
**Readme**
.. toctree::
:maxdepth: 1
readme
**Installation**
.. toctree::
:maxdepth: 1
overview
installation
installation_win
installation_win_old
installation_iis
setup
installation_puppet
**Usage**
.. toctree::
:maxdepth: 1
usage/general
usage/vcs_support
usage/locking
usage/statistics
**Administrator's guide**
.. toctree::
:maxdepth: 1
usage/email
usage/performance
usage/backup
usage/debugging
usage/troubleshooting
**Development**
.. toctree::
:maxdepth: 1
contributing
changelog
**API**
.. toctree::
:maxdepth: 1
api/api
api/models
Other topics
************
* :ref:`genindex`
* :ref:`search`
.. _virtualenv: http://pypi.python.org/pypi/virtualenv
.. _python: http://www.python.org/
.. _django: http://www.djangoproject.com/
.. _mercurial: http://mercurial.selenic.com/
.. _bitbucket: http://bitbucket.org/
.. _subversion: http://subversion.tigris.org/
.. _git: http://git-scm.com/
.. _celery: http://celeryproject.org/
.. _Sphinx: http://sphinx.pocoo.org/
.. _vcs: http://pypi.python.org/pypi/vcs
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