Vo Minh Thu f668a123d9 [IMP] Reduce considerably the loading time of a new registry.
Loading time was mesured on the loading of a second database (identical to the
first one), i.e. by passing -d xx,yy on the command line, using cProfile. The
databases were installed with sale, mrp, and the crm.

The cProfile code is commited as part of this patch and should be removed (or
maybe guarded by some command-line flag) (just as the commenting-out of the
cron startup).

The patch was also applied on top of the trunk-simple-table-stats-vmt branch
which provides SQL queries counters.

Results indicate that the number of SQL queries are reduced from about 2100 to
27. Loading time is reduced from 1.3s to 0.26s (i.e. improved by 5).

Changes:

All calls to ir_model_fields to fetch manual (custom) fields are done in a
single call (prior to instanciate all models).

Checks for empty module descriptions are not done unless we are in init or
update mode. (The behavior was the opposite, which was probably a mistake).

Some calls to ir_translation, passing en_US because there was no lang in the
context, are not done anymore.

The improved time is also a result of a change in the decimal_precision module
where precision_get fetches all digits/applications instead of one at a time
(and thus implements its own caching instead of relying on
openerp.tools.ormache).

bzr revid: vmt@openerp.com-20121211105954-lwgs5js7yw3tzghs
2012-12-11 11:59:54 +01:00
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About OpenERP
-------------

OpenERP is an OpenSource/Free software Enterprise Resource Planning and
Customer Relationship Management software. More info at:

    http://www.openerp.com

Installation on Debian/Ubuntu
-----------------------------

Add the the apt repository

    deb http://nightly.openerp.com/6.1/deb/ ./

in your source.list and type:

    $ sudo apt-get update
    $ sudo apt-get install openerp

Or download the deb file and type:

    $ sudo dpkg -i <openerp-deb-filename>
    $ sudo apt-get install install -f

Installation on RedHat, Fedora, CentOS
--------------------------------------

Install the required dependencies:

    $ yum install python
    $ easy_install pip
    $ pip install .....

Install the openerp rpm

    $ rpm -i openerp-VERSION.rpm

Installation on Windows
-----------------------

    Check the notes in setup.py

Installation on MacOSX
-----------------------

Setuping you first database
---------------------------

Point your browser to http://localhost:8069/ and click "Manage Databases", the
default master password is "admin".

Detailed System Requirements
----------------------------

The dependencies are listed in setup.py

For Luxembourg localization, you also need:

 pdftk (http://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/)

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