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authorsueloverso <sue@mongodb.com>2016-08-21 22:28:52 -0400
committerAlex Gorrod <alexander.gorrod@mongodb.com>2016-08-22 12:28:52 +1000
commit46b2bd44376eb311eda470e422d54abfdeb93a87 (patch)
treef2809a76f3a3be72dd60e9078bbe27f66b2029f1
parent36c2663b813216f9e10052ceeb2516fca5586496 (diff)
downloadmongo-46b2bd44376eb311eda470e422d54abfdeb93a87.tar.gz
WT-2795 Update documentation about read-only mode (#2970)
Explicitly state that parallel readonly handles depend on WT home directory not having write permission.
-rw-r--r--src/docs/readonly.dox3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/docs/readonly.dox b/src/docs/readonly.dox
index ad4a94a73f1..35378cf9567 100644
--- a/src/docs/readonly.dox
+++ b/src/docs/readonly.dox
@@ -47,7 +47,8 @@ One unusual affect of read-only operations is the potential for multiple
read-only database handles open on the same database at the same time.
WiredTiger prevents multiple connection handles by writing a lock file,
and this locking is done even in read-only mode. However, if the lock
-file cannot be written, opening in read-only mode is still allowed to
+file cannot be written, that is, if the WiredTiger home directory does not
+have write permission, opening in read-only mode is still allowed to
proceed. For that reason, multiple read-only connection handles could
be open at the same time. Normal locking occurs if the lock file can be
written in read-only mode, preventing multiple database connections.