[server] Make connection pooler configurable and set better default values Drop the configuration connections-pool-size and add new configurations options: * connections-pool-min-size. Set to 0 by default so we open connections only when needed. This avoid opening min-size*processes connections at startup, which is, it think, a good default. * connections-pool-max-size. Set to 0 (unlimited) by default, so we move the bottleneck to postgresql. * connections-idle-timeout. Set to 10 minutes. I don't have arguments about this except that this is the default in pgbouncer.

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[tox]

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envlist = py3,flake8,check-manifest

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[testenv]

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deps =

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  pytest

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commands =

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  {envpython} -m pytest {posargs:test}

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[testenv:flake8]

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basepython = python3

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skip_install = true

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deps =

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  flake8

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commands = flake8

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[testenv:check-manifest]

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skip_install = true

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deps =

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  check-manifest

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commands =

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  {envpython} -m check_manifest {toxinidir}

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[flake8]

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exclude = cubicweb_%(cubename)s/migration/*,test/data/*,.tox/*