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DOCS-13646 Remove cachePressureThreshold #4983

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Feb 24, 2021
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DOCS-13646 Remove cachePressureThreshold #4983

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12 changes: 9 additions & 3 deletions source/includes/5.0-changes/removed-parameters.rst
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Original file line number Diff line number Diff line change
@@ -1,12 +1,18 @@
MongoDB 5.0 removes the following server parameter:
MongoDB 5.0 removes the following server parameters:

.. list-table::
:header-rows: 1
:widths: 25 75

* - Removed Parameter
* - Removed Parameters
- Description


* - ``cachePressureThreshold``

- MongoDB 5.0 removes the ``cachePressureThreshold`` server
parameter. Due to changes in how WiredTiger calculates snapshot
window size this parameter is no longer relevant.

* - ``shouldMultiDocTxnCreateCollectionAndIndexes``

- MongoDB 5.0 removes the
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2 changes: 0 additions & 2 deletions source/reference/command/serverStatus.txt
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Expand Up @@ -4359,8 +4359,6 @@ wiredTiger
}
},
"snapshot-window-settings" : {
"cache pressure percentage threshold" : <num>,
"current cache pressure percentage" : <num>,
"total number of SnapshotTooOld errors" : <num>,
"max target available snapshots window size in seconds" : <num>,
"target available snapshots window size in seconds" : <num>,
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5 changes: 5 additions & 0 deletions source/release-notes/5.0-compatibility.txt
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Expand Up @@ -32,6 +32,11 @@ operations. Instead, the new :serverstatus:`readConcernCounters`
replaces :serverstatus:`opReadConcernCounters` and contains additional
information.

Starting in MongoDB 5.0, the :dbcommand:`serverStatus` command does not
output the ``cache pressure percentage threshold`` and the
``current cache pressure percentage`` under
``wiredTiger.snapshot-window-settings``.

Tools Changes
-------------

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