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settings.py
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"""
definition of configuration objects and default configuration values
"""
from shared import Configuration
import environment
__version__ = "$Rev: 822 $"
__author__ = "[email protected] (David Rybach)"
__copyright__ = "Copyright 2012, RWTH Aachen University"
def clientEnvironment():
"""client environment to be used.
see environment.py
"""
return environment.ClientEnvironmentI6()
class ClientDefaultConfiguration (Configuration):
""" default configuration for CacheManager clients """
""" hostname or IP of machine running the CacheManager server (environment "i6") """
MASTER_HOST_I6 = "www-i6"
""" hostname or IP of machine running the CacheManager server (environment "cluster") """
MASTER_HOST_CLUSTER = "cluster-mn-04"
""" port number of the CacheManager server """
MASTER_PORT = 10322
""" directory on local hard disks used for caching (environment "cluster") """
CACHE_DIR_CLUSTER = "/var/autofs/net/$(HOST)/$(USER)"
""" directory on local hard disks used for caching (environment "i6") """
CACHE_DIR_I6 = "/var/tmp/$(USER)"
""" minimum free space on cache disk (bytes) """
MIN_FREE = 100 * 1024 * 1024
""" maximum disk space used for caches (percent of total space) """
MAX_USAGE = 10
""" minimum age (in terms of atime) of a file to be deleted (seconds) """
MIN_AGE = 24 * 60 * 60
""" time out for the connection to the master (seconds) """
SOCKET_TIMEOUT = 2 * 60.0
""" time to wait for operations on remote files (seconds) """
STAT_TIMEOUT = 20
""" ignore special meaning of bundle archives (*.bundle) """
IGNORE_BUNDLE = False
""" slow down file copies (for regression tests only) """
SLOW_COPY = False
class ServerConfiguration (Configuration):
""" default configuration for CacheManager server"""
""" TCP port number used """
PORT = 10322
""" queue size of the server socket """
CONNECTION_QUEUE = 256
""" maximum number of parallel transfers from/to file servers """
MAX_COPY_SERVER = 20
""" maximum number of parallel transfers from/to nodes """
MAX_COPY_NODE = 1
""" database persistence file """
DB_FILE = "cm-server.db"
""" interval between database writes (seconds) """
DB_SAVE_INTERVAL = 60 * 60
""" interval between statistics writes (seconds) """
STAT_INTERVAL = 60 * 60
""" interval between database cleanups (seconds) """
CLEANUP_INTERVAL = 60 * 60 * 24
""" timeout for client sockets (seconds) """
SOCKET_TIMEOUT = 30 * 60
""" maximum time a client may spend copying (seconds) """
MAX_WAIT_COPY = 15 * 60
""" time a client has to wait before next copy attempt (seconds) """
CLIENT_WAIT = 10
""" time after a record in the database is deleted (seconds) """
MAX_AGE = 60 * 60 * 24 * 14