ceph/doc/rados/configuration/log-and-debug-ref.rst
John Wilkins e1741ba602 doc: Added hyperlink to log rotation section.
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
2013-01-18 00:25:08 -08:00

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========================================
Logging and Debugging Config Reference
========================================
.. important:: See `Debugging and Logging`_ for details on log rotation.
Logging and debugging settings are not required, but you may override default
settings as needed. Ceph supports the following settings:
.. _Debugging and Logging: ../../operations/debug
Logging
=======
``log file``
:Desription: The location of the logging file for your cluster.
:Type: String
:Required: No
:Default: ``/var/log/ceph/$cluster-$name.log``
``log max new``
:Description: The maximum number of new log files.
:Type: Integer
:Required: No
:Default: ``1000``
``log max recent``
:Description: The maximum number of recent events to include in a log file.
:Type: Integer
:Required: No
:Default: ``1000000``
``log to stderr``
:Description: Determines if logging messages should appear in ``stderr``.
:Type: Boolean
:Required: No
:Default: ``true``
``err to stderr``
:Description: Determines if error messages should appear in ``stderr``.
:Type: Boolean
:Required: No
:Default: ``true``
``log to syslog``
:Description: Determines if logging messages should appear in ``syslog``.
:Type: Boolean
:Required: No
:Default: ``false``
``err to syslog``
:Description: Determines if error messages should appear in ``syslog``.
:Type: Boolean
:Required: No
:Default: ``false``
``log flush on exit``
:Description: Determines if Ceph should flush the log files after exit.
:Type: Boolean
:Required: No
:Default: ``true``
``clog to monitors``
:Description: Determines if ``clog`` messages should be sent to monitors.
:Type: Boolean
:Required: No
:Default: ``true``
``clog to syslog``
:Description: Determines if ``clog`` messages should be sent to syslog.
:Type: Boolean
:Required: No
:Default: ``false``
``mon cluster log to syslog``
:Description: Determines if the cluster log should be output to the syslog.
:Type: Boolean
:Required: No
:Default: ``false``
``mon cluster log file``
:Description: The location of the cluster's log file.
:Type: String
:Required: No
:Default: ``/var/log/ceph/$cluster.log``
OSD
===
``osd debug drop ping probability``
:Description: ?
:Type: Double
:Required: No
:Default: 0
``osd debug drop ping duration``
:Description: The duration ?
:Type: Integer
:Required: No
:Default: 0
``osd debug drop pg create probability``
:Description:
:Type: Integer
:Required: No
:Default: 0
``osd debug drop pg create duration``
:Description: ?
:Type: Double
:Required: No
:Default: 1
``osd preserve trimmed log``
:Description: ?
:Type: Boolean
:Required: No
:Default: ``false``
``osd tmapput sets uses tmap``
:Description: For debug only. ???
:Type: Boolean
:Required: No
:Default: ``false``
``osd min pg log entries``
:Description: The minimum number of log entries for placement groups.
:Type: 32-bit Unsigned Integer
:Required: No
:Default: 1000
``osd op log threshold``
:Description: How many op log messages to show up in one pass.
:Type: Integer
:Required: No
:Default: 5
Filestore
=========
``filestore debug omap check``
:Description: Checks the ``omap``. This is an expensive operation.
:Type: Boolean
:Required: No
:Default: 0
MDS
===
``mds debug scatterstat``
:Description: ?
:Type: Boolean
:Required: No
:Default: ``false``
``mds debug frag``
:Description:
:Type: Boolean
:Required: No
:Default: ``false``
``mds debug auth pins``
:Description: ?
:Type: Boolean
:Required: No
:Default: ``false``
``mds debug subtrees``
:Description: ?
:Type: Boolean
:Required: No
:Default: ``false``
RADOS Gateway
=============
``rgw log nonexistent bucket``
:Description: Should we log a non-existent buckets?
:Type: Boolean
:Required: No
:Default: ``false``
``rgw log object name``
:Description: Should an object's name be logged. // man date to see codes (a subset are supported)
:Type: String
:Required: No
:Default: ``%Y-%m-%d-%H-%i-%n``
``rgw log object name utc``
:Description: Object log name contains UTC?
:Type: Boolean
:Required: No
:Default: ``false``
``rgw enable ops log``
:Description: Enables logging of every RGW operation.
:Type: Boolean
:Required: No
:Default: ``true``
``rgw enable usage log``
:Description: Enable logging of RGW's bandwidth usage.
:Type: Boolean
:Required: No
:Default: ``true``
``rgw usage log flush threshold``
:Description: Threshold to flush pending log data.
:Type: Integer
:Required: No
:Default: ``1024``
``rgw usage log tick interval``
:Description: Flush pending log data every ``s`` seconds.
:Type: Integer
:Required: No
:Default: 30
``rgw intent log object name``
:Description:
:Type: String
:Required: No
:Default: ``%Y-%m-%d-%i-%n``
``rgw intent log object name utc``
:Description: Include a UTC timestamp in the intent log object name.
:Type: Boolean
:Required: No
:Default: ``false``
``rgw cluster root pool``
:Description: RADOS pool to store radosgw metadata for this instance
:Type: String
:Required: No
:Default: ``.rgw.root``
``rgw gc max objs``
:Description: Number of objects to collect garbage collection data
:Type: 32-bit Integer
:Default: 32
``rgw gc obj min wait``
:Description: Minimum time to wait before object's removal and its processing by the garbage collector
:Type: 32-bit Integer
:Default: 2 hours. ``2*60*60``
``rgw gc processor max time``
:Description: Max time for a single garbage collection process run
:Type: 32-bit Integer
:Default: 1 hour. ``60*60``
``rgw gc processor max period``
:Description: Max time between the beginning of two consecutive garbage collection processes run
:Type: 32-bit Integer
:Default: 1 hour. ``60*60``