71f6fd025e
Currently, the rsync module where the replicators send data is static. It
forbids administrators to set rsync configuration based on their current
deployment or needs.
As an example, the rsyncd configuration example encourages to set a connections
limit for the modules account, container and object. It permits to protect
devices from excessives parallels connections, because it would impact
performances.
On a server with many devices, it is tempting to increase this number
proportionally, but nothing guarantees that the distribution of the connections
will be balanced. In the worst scenario, a single device can receive all the
connections, which is a severe impact on performances.
This commit adds a new option named 'rsync_module' to the *-replicator sections
of the *-server configuration file. This configuration variable can be
extrapolated with device attributes like ip, port, device, zone, ... by using
the format {NAME}. eg:
rsync_module = {replication_ip}::object_{device}
With this configuration, an administrators can solve the problem of connections
distribution by creating one module per device in rsyncd configuration.
The default values are backward compatible:
{replication_ip}::account
{replication_ip}::container
{replication_ip}::object
Option vm_test_mode is deprecated by this commit, but backward compatibility is
maintained. The option is only effective when rsync_module is not set. In that
case, {replication_port} is appended to the default value of rsync_module.
Change-Id: Iad91df50dadbe96c921181797799b4444323ce2e
192 lines
6.0 KiB
Plaintext
192 lines
6.0 KiB
Plaintext
[DEFAULT]
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# bind_ip = 0.0.0.0
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bind_port = 6002
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# bind_timeout = 30
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# backlog = 4096
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# user = swift
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# swift_dir = /etc/swift
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# devices = /srv/node
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# mount_check = true
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# disable_fallocate = false
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#
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# Use an integer to override the number of pre-forked processes that will
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# accept connections.
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# workers = auto
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#
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# Maximum concurrent requests per worker
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# max_clients = 1024
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#
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# You can specify default log routing here if you want:
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# log_name = swift
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# log_facility = LOG_LOCAL0
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# log_level = INFO
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# log_address = /dev/log
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# The following caps the length of log lines to the value given; no limit if
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# set to 0, the default.
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# log_max_line_length = 0
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#
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# comma separated list of functions to call to setup custom log handlers.
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# functions get passed: conf, name, log_to_console, log_route, fmt, logger,
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# adapted_logger
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# log_custom_handlers =
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#
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# If set, log_udp_host will override log_address
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# log_udp_host =
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# log_udp_port = 514
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#
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# You can enable StatsD logging here:
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# log_statsd_host = localhost
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# log_statsd_port = 8125
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# log_statsd_default_sample_rate = 1.0
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# log_statsd_sample_rate_factor = 1.0
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# log_statsd_metric_prefix =
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#
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# If you don't mind the extra disk space usage in overhead, you can turn this
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# on to preallocate disk space with SQLite databases to decrease fragmentation.
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# db_preallocation = off
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#
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# eventlet_debug = false
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#
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# You can set fallocate_reserve to the number of bytes you'd like fallocate to
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# reserve, whether there is space for the given file size or not.
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# fallocate_reserve = 0
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[pipeline:main]
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pipeline = healthcheck recon account-server
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[app:account-server]
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use = egg:swift#account
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# You can override the default log routing for this app here:
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# set log_name = account-server
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# set log_facility = LOG_LOCAL0
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# set log_level = INFO
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# set log_requests = true
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# set log_address = /dev/log
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#
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# auto_create_account_prefix = .
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#
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# Configure parameter for creating specific server
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# To handle all verbs, including replication verbs, do not specify
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# "replication_server" (this is the default). To only handle replication,
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# set to a True value (e.g. "True" or "1"). To handle only non-replication
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# verbs, set to "False". Unless you have a separate replication network, you
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# should not specify any value for "replication_server".
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# replication_server = false
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[filter:healthcheck]
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use = egg:swift#healthcheck
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# An optional filesystem path, which if present, will cause the healthcheck
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# URL to return "503 Service Unavailable" with a body of "DISABLED BY FILE"
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# disable_path =
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[filter:recon]
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use = egg:swift#recon
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# recon_cache_path = /var/cache/swift
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[account-replicator]
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# You can override the default log routing for this app here (don't use set!):
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# log_name = account-replicator
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# log_facility = LOG_LOCAL0
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# log_level = INFO
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# log_address = /dev/log
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#
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# per_diff = 1000
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# max_diffs = 100
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# concurrency = 8
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#
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# Time in seconds to wait between replication passes
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# interval = 30
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# run_pause is deprecated, use interval instead
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# run_pause = 30
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#
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# node_timeout = 10
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# conn_timeout = 0.5
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#
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# The replicator also performs reclamation
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# reclaim_age = 604800
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#
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# Allow rsync to compress data which is transmitted to destination node
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# during sync. However, this is applicable only when destination node is in
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# a different region than the local one.
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# rsync_compress = no
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#
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# Format of the rysnc module where the replicator will send data. See
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# etc/rsyncd.conf-sample for some usage examples.
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# rsync_module = {replication_ip}::account
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#
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# recon_cache_path = /var/cache/swift
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[account-auditor]
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# You can override the default log routing for this app here (don't use set!):
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# log_name = account-auditor
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# log_facility = LOG_LOCAL0
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# log_level = INFO
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# log_address = /dev/log
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#
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# Will audit each account at most once per interval
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# interval = 1800
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#
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# log_facility = LOG_LOCAL0
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# log_level = INFO
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# accounts_per_second = 200
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# recon_cache_path = /var/cache/swift
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[account-reaper]
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# You can override the default log routing for this app here (don't use set!):
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# log_name = account-reaper
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# log_facility = LOG_LOCAL0
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# log_level = INFO
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# log_address = /dev/log
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#
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# concurrency = 25
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# interval = 3600
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# node_timeout = 10
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# conn_timeout = 0.5
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#
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# Normally, the reaper begins deleting account information for deleted accounts
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# immediately; you can set this to delay its work however. The value is in
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# seconds; 2592000 = 30 days for example.
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# delay_reaping = 0
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#
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# If the account fails to be be reaped due to a persistent error, the
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# account reaper will log a message such as:
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# Account <name> has not been reaped since <date>
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# You can search logs for this message if space is not being reclaimed
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# after you delete account(s).
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# Default is 2592000 seconds (30 days). This is in addition to any time
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# requested by delay_reaping.
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# reap_warn_after = 2592000
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# Note: Put it at the beginning of the pipeline to profile all middleware. But
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# it is safer to put this after healthcheck.
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[filter:xprofile]
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use = egg:swift#xprofile
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# This option enable you to switch profilers which should inherit from python
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# standard profiler. Currently the supported value can be 'cProfile',
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# 'eventlet.green.profile' etc.
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# profile_module = eventlet.green.profile
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#
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# This prefix will be used to combine process ID and timestamp to name the
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# profile data file. Make sure the executing user has permission to write
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# into this path (missing path segments will be created, if necessary).
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# If you enable profiling in more than one type of daemon, you must override
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# it with an unique value like: /var/log/swift/profile/account.profile
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# log_filename_prefix = /tmp/log/swift/profile/default.profile
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#
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# the profile data will be dumped to local disk based on above naming rule
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# in this interval.
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# dump_interval = 5.0
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#
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# Be careful, this option will enable profiler to dump data into the file with
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# time stamp which means there will be lots of files piled up in the directory.
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# dump_timestamp = false
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#
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# This is the path of the URL to access the mini web UI.
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# path = /__profile__
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#
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# Clear the data when the wsgi server shutdown.
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# flush_at_shutdown = false
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#
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# unwind the iterator of applications
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# unwind = false
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