本文整理汇总了Python中swift.container.backend.ContainerBroker.get_max_row方法的典型用法代码示例。如果您正苦于以下问题：Python ContainerBroker.get_max_row方法的具体用法？Python ContainerBroker.get_max_row怎么用？Python ContainerBroker.get_max_row使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类swift.container.backend.ContainerBroker的用法示例。
在下文中一共展示了ContainerBroker.get_max_row方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: container_sync
# 需要导入模块: from swift.container.backend import ContainerBroker [as 别名]
# 或者: from swift.container.backend.ContainerBroker import get_max_row [as 别名]
#.........这里部分代码省略.........
x, nodes = self.container_ring.get_nodes(info['account'],
info['container'])
for ordinal, node in enumerate(nodes):
if is_local_device(self._myips, self._myport,
node['ip'], node['port']):
break
else:
return
if not broker.is_deleted():
sync_to = None
user_key = None
sync_point1 = info['x_container_sync_point1']
sync_point2 = info['x_container_sync_point2']
for key, (value, timestamp) in broker.metadata.items():
if key.lower() == 'x-container-sync-to':
sync_to = value
elif key.lower() == 'x-container-sync-key':
user_key = value
if not sync_to or not user_key:
self.container_skips += 1
self.logger.increment('skips')
return
err, sync_to, realm, realm_key = validate_sync_to(
sync_to, self.allowed_sync_hosts, self.realms_conf)
if err:
self.logger.info(
_('ERROR %(db_file)s: %(validate_sync_to_err)s'),
{'db_file': str(broker),
'validate_sync_to_err': err})
self.container_failures += 1
self.logger.increment('failures')
return
start_at = time()
stop_at = start_at + self.container_time
next_sync_point = None
sync_stage_time = start_at
try:
while time() < stop_at and sync_point2 < sync_point1:
rows = broker.get_items_since(sync_point2, 1)
if not rows:
break
row = rows[0]
if row['ROWID'] > sync_point1:
break
# This node will only initially sync out one third
# of the objects (if 3 replicas, 1/4 if 4, etc.)
# and will skip problematic rows as needed in case of
# faults.
# This section will attempt to sync previously skipped
# rows in case the previous attempts by any of the
# nodes didn't succeed.
if not self.container_sync_row(
row, sync_to, user_key, broker, info, realm,
realm_key):
if not next_sync_point:
next_sync_point = sync_point2
sync_point2 = row['ROWID']
broker.set_x_container_sync_points(None, sync_point2)
if next_sync_point:
broker.set_x_container_sync_points(None,
next_sync_point)
else:
next_sync_point = sync_point2
sync_stage_time = time()
while sync_stage_time < stop_at:
rows = broker.get_items_since(sync_point1, 1)
if not rows:
break
row = rows[0]
key = hash_path(info['account'], info['container'],
row['name'], raw_digest=True)
# This node will only initially sync out one third of
# the objects (if 3 replicas, 1/4 if 4, etc.).
# It'll come back around to the section above
# and attempt to sync previously skipped rows in case
# the other nodes didn't succeed or in case it failed
# to do so the first time.
if unpack_from('>I', key)[0] % \
len(nodes) == ordinal:
self.container_sync_row(
row, sync_to, user_key, broker, info, realm,
realm_key)
sync_point1 = row['ROWID']
broker.set_x_container_sync_points(sync_point1, None)
sync_stage_time = time()
self.container_syncs += 1
self.logger.increment('syncs')
except Exception as ex:
raise ex
finally:
self.container_report(start_at, sync_stage_time,
sync_point1,
next_sync_point,
info, broker.get_max_row())
except (Exception, Timeout):
self.container_failures += 1
self.logger.increment('failures')
self.logger.exception(_('ERROR Syncing %s'),
broker if broker else path)