odoo
/
odoo
2
0
Fork 0
Code Pull Requests Releases Activity

multiprocessing signaling manually backported from 6.1 

bzr revid: al@openerp.com-20121208181151-lfy956ysnok5b5hf
This commit is contained in:
Antony Lesuisse 2012-12-08 19:11:51 +01:00
parent 595b9e2d85
commit 3d2a09a973
7 changed files with 131 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
openerp/addons/base/ir/ir_ui_menu.py
View File

@ -43,7 +43,7 @@ class ir_ui_menu(osv.osv):
def __init__(self, *args, **kwargs):
self.cache_lock = threading.RLock()
self.clear_cache()
self._cache = {}
r = super(ir_ui_menu, self).__init__(*args, **kwargs)
self.pool.get('ir.model.access').register_cache_clearing_method(self._name, 'clear_cache')
return r
@ -51,6 +51,10 @@ class ir_ui_menu(osv.osv):
def clear_cache(self):
with self.cache_lock:
# radical but this doesn't frequently happen
if self._cache:
# Normally this is done by openerp.tools.ormcache
# but since we do not use it, set it by ourself.
self.pool._any_cache_cleared = True
self._cache = {}
def _filter_visible_menus(self, cr, uid, ids, context=None):

3
openerp/addons/base/module/module.py
View File

@ -30,6 +30,7 @@ import re
import urllib
import zipimport
import openerp
from openerp import modules, pooler, release, tools, addons
from openerp.modules.db import create_categories
from openerp.tools.parse_version import parse_version
@ -385,6 +386,8 @@ class module(osv.osv):
# Mark them to be installed.
if to_install_ids:
self.button_install(cr, uid, to_install_ids, context=context)
openerp.modules.registry.RegistryManager.signal_registry_change(cr.dbname)
return dict(ACTION_DICT, name=_('Install'))
def button_immediate_install(self, cr, uid, ids, context=None):

11
openerp/cron.py
View File

@ -204,9 +204,12 @@ def start_master_thread():
_logger.warning("Connection pool size (%s) is set lower than max number of cron threads (%s), "
"this may cause trouble if you reach that number of parallel cron tasks.",
db_maxconn, _thread_slots)
t = threading.Thread(target=runner, name="openerp.cron.master_thread")
t.setDaemon(True)
t.start()
_logger.debug("Master cron daemon started!")
if _thread_slots:
t = threading.Thread(target=runner, name="openerp.cron.master_thread")
t.setDaemon(True)
t.start()
_logger.debug("Master cron daemon started!")
else:
_logger.info("No master cron daemon (0 workers needed).")
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:

109
openerp/modules/registry.py
View File

@ -58,6 +58,18 @@ class Registry(object):
self.db_name = db_name
self.db = openerp.sql_db.db_connect(db_name)
# Inter-process signaling (used only when openerp.multi_process is True):
# The `base_registry_signaling` sequence indicates the whole registry
# must be reloaded.
# The `base_cache_signaling sequence` indicates all caches must be
# invalidated (i.e. cleared).
self.base_registry_signaling_sequence = 1
self.base_cache_signaling_sequence = 1
# Flag indicating if at least one model cache has been cleared.
# Useful only in a multi-process context.
self._any_cache_cleared = False
cr = self.db.cursor()
has_unaccent = openerp.modules.db.has_unaccent(cr)
if openerp.tools.config['unaccent'] and not has_unaccent:
@ -121,6 +133,36 @@ class Registry(object):
"""
for model in self.models.itervalues():
model.clear_caches()
# Special case for ir_ui_menu which does not use openerp.tools.ormcache.
ir_ui_menu = self.models.get('ir.ui.menu')
if ir_ui_menu:
ir_ui_menu.clear_cache()
# Useful only in a multi-process context.
def reset_any_cache_cleared(self):
self._any_cache_cleared = False
# Useful only in a multi-process context.
def any_cache_cleared(self):
return self._any_cache_cleared
@classmethod
def setup_multi_process_signaling(cls, cr):
if not openerp.multi_process:
return
# Inter-process signaling:
# The `base_registry_signaling` sequence indicates the whole registry
# must be reloaded.
# The `base_cache_signaling sequence` indicates all caches must be
# invalidated (i.e. cleared).
cr.execute("""SELECT sequence_name FROM information_schema.sequences WHERE sequence_name='base_registry_signaling'""")
if not cr.fetchall():
cr.execute("""CREATE SEQUENCE base_registry_signaling INCREMENT BY 1 START WITH 1""")
cr.execute("""SELECT nextval('base_registry_signaling')""")
cr.execute("""CREATE SEQUENCE base_cache_signaling INCREMENT BY 1 START WITH 1""")
cr.execute("""SELECT nextval('base_cache_signaling')""")
@contextmanager
def cursor(self, auto_commit=True):
@ -182,6 +224,7 @@ class RegistryManager(object):
cr = registry.db.cursor()
try:
Registry.setup_multi_process_signaling(cr)
registry.do_parent_store(cr)
registry.get('ir.actions.report.xml').register_all(cr)
cr.commit()
@ -232,5 +275,71 @@ class RegistryManager(object):
if db_name in cls.registries:
cls.registries[db_name].clear_caches()
@classmethod
def check_registry_signaling(cls, db_name):
if openerp.multi_process and db_name in cls.registries:
registry = cls.get(db_name, pooljobs=False)
cr = registry.db.cursor()
try:
cr.execute("""
SELECT base_registry_signaling.last_value,
base_cache_signaling.last_value
FROM base_registry_signaling, base_cache_signaling""")
r, c = cr.fetchone()
# Check if the model registry must be reloaded (e.g. after the
# database has been updated by another process).
if registry.base_registry_signaling_sequence != r:
_logger.info("Reloading the model registry after database signaling.")
# Don't run the cron in the Gunicorn worker.
registry = cls.new(db_name, pooljobs=False)
registry.base_registry_signaling_sequence = r
# Check if the model caches must be invalidated (e.g. after a write
# occured on another process). Don't clear right after a registry
# has been reload.
elif registry.base_cache_signaling_sequence != c:
_logger.info("Invalidating all model caches after database signaling.")
registry.base_cache_signaling_sequence = c
registry.clear_caches()
registry.reset_any_cache_cleared()
# One possible reason caches have been invalidated is the
# use of decimal_precision.write(), in which case we need
# to refresh fields.float columns.
for model in registry.models.values():
for column in model._columns.values():
if hasattr(column, 'digits_change'):
column.digits_change(cr)
finally:
cr.close()
@classmethod
def signal_caches_change(cls, db_name):
if openerp.multi_process and db_name in cls.registries:
# Check the registries if any cache has been cleared and signal it
# through the database to other processes.
registry = cls.get(db_name, pooljobs=False)
if registry.any_cache_cleared():
_logger.info("At least one model cache has been cleared, signaling through the database.")
cr = registry.db.cursor()
r = 1
try:
cr.execute("select nextval('base_cache_signaling')")
r = cr.fetchone()[0]
finally:
cr.close()
registry.base_cache_signaling_sequence = r
registry.reset_any_cache_cleared()
@classmethod
def signal_registry_change(cls, db_name):
if openerp.multi_process and db_name in cls.registries:
registry = cls.get(db_name, pooljobs=False)
cr = registry.db.cursor()
r = 1
try:
cr.execute("select nextval('base_registry_signaling')")
r = cr.fetchone()[0]
finally:
cr.close()
registry.base_registry_signaling_sequence = r
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:

1
openerp/osv/orm.py
View File

@ -2509,6 +2509,7 @@ class BaseModel(object):
try:
getattr(self, '_ormcache')
self._ormcache = {}
self.pool._any_cache_cleared = True
except AttributeError:
pass

4
openerp/service/web_services.py
View File

@ -597,8 +597,10 @@ class objects_proxy(netsvc.ExportService):
raise NameError("Method not available %s" % method)
security.check(db,uid,passwd)
assert openerp.osv.osv.service, "The object_proxy class must be started with start_object_proxy."
openerp.modules.registry.RegistryManager.check_registry_signaling(db)
fn = getattr(openerp.osv.osv.service, method)
res = fn(db, uid, *params)
openerp.modules.registry.RegistryManager.signal_caches_change(db)
return res
@ -680,8 +682,10 @@ class report_spool(netsvc.ExportService):
if method not in ['report', 'report_get', 'render_report']:
raise KeyError("Method not supported %s" % method)
security.check(db,uid,passwd)
openerp.modules.registry.RegistryManager.check_registry_signaling(db)
fn = getattr(self, 'exp_' + method)
res = fn(db, uid, *params)
openerp.modules.registry.RegistryManager.signal_caches_change(db)
return res
def exp_render_report(self, db, uid, object, ids, datas=None, context=None):

2
openerp/tools/cache.py
View File

@ -57,10 +57,12 @@ class ormcache(object):
try:
key = args[self.skiparg-2:]
del d[key]
self2.pool._any_cache_cleared = True
except KeyError:
pass
else:
d.clear()
self2.pool._any_cache_cleared = True
class ormcache_multi(ormcache):
def __init__(self, skiparg=2, size=8192, multi=3):