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 Object expirer configuration

Find an example object expirer configuration at etc/object-expirer.conf-sample in the source code repository.

The available configuration options are:

Table 9.11. Description of configuration options for [DEFAULT] in object-expirer.conf
Configuration option = Default value Description
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_facility = LOG_LOCAL0 Syslog log facility
log_level = INFO Logging level
log_max_line_length = 0 Caps the length of log lines to the value given; no limit if set to 0, the default.
log_name = swift Label used when logging
log_statsd_default_sample_rate = 1.0 Defines the probability of sending a sample for any given event or timing measurement.
log_statsd_host = localhost If not set, the StatsD feature is disabled.
log_statsd_metric_prefix = Value will be prepended to every metric sent to the StatsD server.
log_statsd_port = 8125 Port value for the StatsD server.
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_udp_host = If not set, the UDP receiver for syslog is disabled.
log_udp_port = 514 Port value for UDP receiver, if enabled.
swift_dir = /etc/swift Swift configuration directory
user = swift User to run as

Table 9.12. Description of configuration options for [app-proxy-server] in object-expirer.conf
Configuration option = Default value Description
use = egg:swift#proxy Entry point of paste.deploy in the server

Table 9.13. Description of configuration options for [filter-cache] in object-expirer.conf
Configuration option = Default value Description
use = egg:swift#memcache Entry point of paste.deploy in the server

Table 9.14. Description of configuration options for [filter-catch_errors] in object-expirer.conf
Configuration option = Default value Description
use = egg:swift#catch_errors Entry point of paste.deploy in the server

Table 9.15. Description of configuration options for [filter-proxy-logging] in object-expirer.conf
Configuration option = Default value Description
access_log_address = /dev/log No help text available for this option.
access_log_facility = LOG_LOCAL0 No help text available for this option.
access_log_headers = false No help text available for this option.
access_log_headers_only = If access_log_headers is True and access_log_headers_only is set only these headers are logged. Multiple headers can be defined as comma separated list like this: access_log_headers_only = Host, X-Object-Meta-Mtime
access_log_level = INFO No help text available for this option.
access_log_name = swift No help text available for this option.
access_log_statsd_default_sample_rate = 1.0 No help text available for this option.
access_log_statsd_host = localhost No help text available for this option.
access_log_statsd_metric_prefix = No help text available for this option.
access_log_statsd_port = 8125 No help text available for this option.
access_log_statsd_sample_rate_factor = 1.0 No help text available for this option.
access_log_udp_host = No help text available for this option.
access_log_udp_port = 514 No help text available for this option.
log_statsd_valid_http_methods = GET,HEAD,POST,PUT,DELETE,COPY,OPTIONS No help text available for this option.
logged with access_log_headers = True. No help text available for this option.
reveal_sensitive_prefix = 16 The X-Auth-Token is sensitive data. If revealed to an unauthorised person, they can now make requests against an account until the token expires. Set reveal_sensitive_prefix to the number of characters of the token that are logged. For example reveal_sensitive_prefix = 12 so only first 12 characters of the token are logged. Or, set to 0 to completely remove the token.
use = egg:swift#proxy_logging Entry point of paste.deploy in the server

Table 9.16. Description of configuration options for [object-expirer] in object-expirer.conf
Configuration option = Default value Description
auto_create_account_prefix = . Prefix to use when automatically creating accounts
concurrency = 1 Number of replication workers to spawn
expiring_objects_account_name = expiring_objects No help text available for this option.
interval = 300 Minimum time for a pass to take
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.
processes = 0 No help text available for this option.
reclaim_age = 604800 Time elapsed in seconds before an object can be reclaimed
recon_cache_path = /var/cache/swift Directory where stats for a few items will be stored
report_interval = 300 No help text available for this option.

Table 9.17. Description of configuration options for [pipeline-main] in object-expirer.conf
Configuration option = Default value Description
pipeline = catch_errors proxy-logging cache proxy-server No help text available for this option.

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