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-rw-r--r--ebin/rabbit_app.in8
1 files changed, 7 insertions, 1 deletions
diff --git a/ebin/rabbit_app.in b/ebin/rabbit_app.in
index 2e1304e0f0..97e72c0b65 100644
--- a/ebin/rabbit_app.in
+++ b/ebin/rabbit_app.in
@@ -84,7 +84,13 @@
{ssl_apps, [asn1, crypto, public_key, ssl]},
%% see rabbitmq-server#114
{mirroring_flow_control, true},
- %% see rabbitmq-server#227 and related tickets
+ %% see rabbitmq-server#227 and related tickets.
+ %% msg_store_credit_disc_bound only takes effect when
+ %% messages are persisted to the message store. If messages
+ %% are embedded on the queue index, then modifying this
+ %% setting has no effect because credit_flow is not used when
+ %% writing to the queue index. See the setting
+ %% queue_index_embed_msgs_below above.
{msg_store_credit_disc_bound, {2000, 500}},
{msg_store_io_batch_size, 2048}
]}]}.