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Find an example object expirer configuration at
            etc/object-expirer.conf-sample in the source code
            repository.
The available configuration options are:
| Configuration option = Default value | Description | 
|---|---|
| swift_dir = /etc/swift | Swift configuration directory | 
| user = swift | User to run as | 
| log_name = swift | Label used when logging | 
| log_facility = LOG_LOCAL0 | Syslog log facility | 
| log_level = INFO | Logging level | 
| log_address = /dev/log | Location where syslog sends the logs to | 
| log_custom_handlers = | Comma-separated list of functions to call to setup custom log handlers. | 
| log_udp_host = | If not set, the UDB receiver for syslog is disabled. | 
| log_udp_port = 514 | Port value for UDB receiver, if enabled. | 
| log_statsd_host = localhost | If not set, the StatsD feature is disabled. | 
| log_statsd_port = 8125 | Port value for the StatsD server. | 
| log_statsd_default_sample_rate = 1.0 | Defines the probability of sending a sample for any given event or timing measurement. | 
| log_statsd_sample_rate_factor = 1.0 | Not recommended to set this to a value less than 1.0, if frequency of logging is too high, tune the log_statsd_default_sample_rate instead. | 
| log_statsd_metric_prefix = | Value will be prepended to every metric sent to the StatsD server. | 
| Configuration option = Default value | Description | 
|---|---|
| use = egg:swift#proxy | Entry point of paste.deploy in the server | 
| Configuration option = Default value | Description | 
|---|---|
| use = egg:swift#memcache | Entry point of paste.deploy in the server | 
| Configuration option = Default value | Description | 
|---|---|
| use = egg:swift#catch_errors | Entry point of paste.deploy in the server | 
| Configuration option = Default value | Description | 
|---|---|
| interval = 300 | Minimum time for a pass to take | 
| auto_create_account_prefix = . | Prefix to use when automatically creating accounts | 
| expiring_objects_account_name = expiring_objects | No help text available for this option. | 
| report_interval = 300 | No help text available for this option. | 
| concurrency = 1 | Number of replication workers to spawn | 
| processes = 0 | No help text available for this option. | 
| process = 0 | (it will actually accept(2) N + 1). Setting this to one (1) will only handle one request at a time, without accepting another request concurrently. | 
| Configuration option = Default value | Description | 
|---|---|
| pipeline = catch_errors cache proxy-server | No help text available for this option. | 

