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Thomas De Schampheleire

i18n: remove old English translation file

Under TurboGears2, automatic user language detection based on browser settings
is enabled by default. If a user has 'English' as preferred language in the
browser, then the old English .mo file with a few dummy entries would be read
and used first, before trying the language configured in the Kallithea .ini
file (e.g. French). This renders a mix of languages in the UI ... which is
unexpected.

The hiding of configured translation is fixed by removing the old english
translationfile. It was preserved via commit 7d6c4bd58abd when removing all
other .mo files. The next release will require major config changes anyway, and
we don't try to be backwards compatible.

.. _statistics:

=====================
Repository statistics
=====================

Kallithea has a *repository statistics* feature, disabled by default. When
enabled, the amount of commits per committer is visualized in a timeline. This
feature can be enabled using the ``Enable statistics`` checkbox on the
repository ``Settings`` page.

The statistics system makes heavy demands on the server resources, so
in order to keep a balance between usability and performance, statistics are
cached inside the database and gathered incrementally.

When Celery is disabled:

  On each first visit to the summary page a set of 250 commits are parsed and
  added to the statistics cache. This incremental gathering also happens on each
  visit to the statistics page, until all commits are fetched.

  Statistics are kept cached until additional commits are added to the
  repository. In such a case Kallithea will only fetch the new commits when
  updating its statistics cache.

When Celery is enabled:

  On the first visit to the summary page, Kallithea will create tasks that will
  execute on Celery workers. These tasks will gather all of the statistics until
  all commits are parsed. Each task parses 250 commits, then launches a new
  task.