From a2819700d4da0273009d625c871f4dbfd77f0d24 Mon Sep 17 00:00:00 2001 From: Andrew Aldridge Date: Wed, 11 Feb 2015 14:15:56 -0500 Subject: [PATCH] DOCS-4703: document database size limit --- source/reference/limits.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/source/reference/limits.txt b/source/reference/limits.txt index 5c0fbf8915e..2d5b68150a0 100644 --- a/source/reference/limits.txt +++ b/source/reference/limits.txt @@ -132,6 +132,13 @@ Data creating a capped collection, there is no limit on the number of documents. +.. _limit-database-size: +.. limit:: Database Size + + The MMAPv1 storage engine limits each database to no more than 16000 data + files. This means that a single MMAPv1 database has a maximum size of 32TB. + Setting the :setting:`storage.mmapv1.smallFiles` option reduces this limit to 8TB. + .. _limit-data-size: .. limit:: Data Size