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authorTravis Ralston <travpc@gmail.com>2018-04-04 08:46:56 -0600
committerTravis Ralston <travpc@gmail.com>2018-04-04 08:46:56 -0600
commit88964b987e1d80d2dc9e81fc3ebc51afd9defbe1 (patch)
treec98c28e51a8d52a8878cf2d888a4a110a835d8a8 /synapse/config/registration.py
parentDocument the additional routes for the event_creator worker (diff)
parentMerge pull request #3062 from matrix-org/revert-3053-speedup-mxid-check (diff)
downloadsynapse-88964b987e1d80d2dc9e81fc3ebc51afd9defbe1.tar.xz
Merge remote-tracking branch 'matrix-org/develop' into travis/new-worker-docs
Diffstat (limited to 'synapse/config/registration.py')
-rw-r--r--synapse/config/registration.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index 336959094b..c5384b3ad4 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -77,7 +77,9 @@ class RegistrationConfig(Config):
 
         # Set the number of bcrypt rounds used to generate password hash.
         # Larger numbers increase the work factor needed to generate the hash.
-        # The default number of rounds is 12.
+        # The default number is 12 (which equates to 2^12 rounds).
+        # N.B. that increasing this will exponentially increase the time required
+        # to register or login - e.g. 24 => 2^24 rounds which will take >20 mins.
         bcrypt_rounds: 12
 
         # Allows users to register as guests without a password/email/etc, and