本文整理汇总了Python中membase.helper.cluster_helper.ClusterOperationHelper.change_erlang_async方法的典型用法代码示例。如果您正苦于以下问题：Python ClusterOperationHelper.change_erlang_async方法的具体用法？Python ClusterOperationHelper.change_erlang_async怎么用？Python ClusterOperationHelper.change_erlang_async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membase.helper.cluster_helper.ClusterOperationHelper的用法示例。
在下文中一共展示了ClusterOperationHelper.change_erlang_async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: initialize
# 需要导入模块: from membase.helper.cluster_helper import ClusterOperationHelper [as 别名]
# 或者: from membase.helper.cluster_helper.ClusterOperationHelper import change_erlang_async [as 别名]
def initialize(self, params):
start_time = time.time()
cluster_initialized = False
server = params["server"]
remote_client = RemoteMachineShellConnection(params["server"])
while time.time() < start_time + 5 * 60:
try:
# Optionally change node name and restart server
if params.get('use_domain_names', 0):
remote_client.set_node_name(server.ip)
rest = RestConnection(server)
# Initialize cluster
rest.init_cluster(username=server.rest_username,
password=server.rest_password)
memory_quota = rest.get_nodes_self().mcdMemoryReserved
rest.init_cluster_memoryQuota(memoryQuota=memory_quota)
# Make sure that data_path is writable by couchbase user
if server.data_path:
time.sleep(3)
for cmd in ("rm -rf {0}/*".format(server.data_path),
"chown -R couchbase:couchbase {0}".format(server.data_path)):
remote_client.execute_command(cmd)
rest.set_data_path(data_path=server.data_path)
time.sleep(3)
# TODO: Symlink data-dir to custom path
#remote_client.stop_couchbase()
#remote_client.execute_command('mv /opt/couchbase/var {0}'.format(server.data_path))
#remote_client.execute_command('ln -s {0}/var /opt/couchbase/var'.format(server.data_path))
#remote_client.execute_command("chown -h couchbase:couchbase /opt/couchbase/var")
#remote_client.start_couchbase()
# Optionally disable consistency check
if params.get('disable_consistency', 0):
rest.set_couchdb_option(section='couchdb',
option='consistency_check_ratio',
value='0.0')
# memcached env variable
mem_req_tap_env = params.get('MEMCACHED_REQS_TAP_EVENT', 0)
if mem_req_tap_env:
remote_client.set_environment_variable('MEMCACHED_REQS_TAP_EVENT',
mem_req_tap_env)
#TODO: Make it work with windows
if "erlang_threads" in params:
erlang_threads = params.get('erlang_threads', testconstants.NUM_ERLANG_THREADS)
# Stop couchbase-server
ClusterOperationHelper.stop_cluster([server])
# Change num erlang threads
ClusterOperationHelper.change_erlang_async([server], erlang_threads)
# Start couchbase-server
ClusterOperationHelper.start_cluster([server])
if "erlang_gc_level" in params:
erlang_gc_level = params.get('erlang_gc_level', None)
if erlang_gc_level is None:
# Don't change the value
break
# Stop couchbase-server
ClusterOperationHelper.stop_cluster([server])
# Change num erlang threads
ClusterOperationHelper.change_erlang_gc([server], erlang_gc_level)
# Start couchbase-server
ClusterOperationHelper.start_cluster([server])
cluster_initialized = True
break
except ServerUnavailableException:
log.error("error happened while initializing the cluster @ {0}".format(server.ip))
log.info('sleep for 5 seconds before trying again ...')
time.sleep(5)
if not cluster_initialized:
raise Exception("unable to initialize couchbase node")