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Fsync lock profiling #83

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Merged
merged 6 commits into from
Jul 23, 2012
Merged

Fsync lock profiling #83

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59139ca
Create note advising disabling profiling for fsynclock()
epc Jul 23, 2012
4c350fb
Create and include note addressing DOCS-252 fsynclock incompatible wi…
epc Jul 23, 2012
242dacb
Revised to move example into separate chunk and fix formatting
epc Jul 23, 2012
8410262
Revised to fix formatting
epc Jul 23, 2012
32185db
Revised to fix formatting
epc Jul 23, 2012
338138d
Revised to fix formatting
epc Jul 23, 2012
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2 changes: 2 additions & 0 deletions source/administration/backups.txt
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Expand Up @@ -369,6 +369,8 @@ the snapshot has completed, use the following command in the
db.runCommand( { fsync: 1, lock: true } );
db.runCommand( { fsync: 1, lock: false } );

.. include:: /includes/note-disable-profiling-fsynclock.rst

.. _backup-amazon-software-raid:

Amazon EBS in Software RAID 10 Configuration
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9 changes: 9 additions & 0 deletions source/includes/note-disable-profiling-fsynclock.rst
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@@ -0,0 +1,9 @@
.. note::

The database cannot be locked with :func:`db.fsyncLock()` while profiling is enabled.
You must disable profiling before locking the database with :func:`db.fsyncLock()`.
Disable profiling using :func:`db.setProfilingLevel()` as follows in the :program:`mongo` shell:

.. code-block:: javascript

db.setProfilingLevel(0)
4 changes: 4 additions & 0 deletions source/reference/commands.txt
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Expand Up @@ -1375,6 +1375,8 @@ Administration
The :func:`db.fsyncLock()` and :func:`db.fsyncUnlock()`
helpers in the shell.

.. include:: /includes/note-disable-profiling-fsynclock.rst

.. dbcommand:: dropDatabase

The :dbcommand:`dropDatabase` command drops a database, deleting
Expand Down Expand Up @@ -2170,6 +2172,8 @@ Diagnostics
around this functionality in the :program:`mongo`
shell.

.. include:: /includes/note-disable-profiling-fsynclock.rst

.. dbcommand:: listCommands

The :dbcommand:`listCommands` command generates a list of all
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4 changes: 4 additions & 0 deletions source/reference/javascript.txt
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Expand Up @@ -1099,6 +1099,8 @@ Database
the :setting:`slowms` to the log even when the database profiler is
not active.

.. include:: /includes/note-disable-profiling-fsynclock.rst

.. function:: db.shutdownServer()

Shuts down the current :program:`mongod` or :program:`mongos`
Expand Down Expand Up @@ -1154,6 +1156,8 @@ Database
This function locks the database and create a window for
:doc:`backup operations </administration/backups>`.

.. include:: /includes/note-disable-profiling-fsynclock.rst

.. function:: db.fsyncUnlock()

Unlocks a database server to allow writes and reverses the
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