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Diffstat (limited to 'src')
| -rw-r--r-- | src/rabbit_exchange_type_topic.erl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/rabbit_exchange_type_topic.erl b/src/rabbit_exchange_type_topic.erl index f9ac69ba1e..5c5d760e05 100644 --- a/src/rabbit_exchange_type_topic.erl +++ b/src/rabbit_exchange_type_topic.erl @@ -68,6 +68,11 @@ add_binding(false, _Exchange, _Binding) -> ok. remove_bindings(true, X, Bs) -> + %% The remove process is split into two distinct phases. In the + %% first phase, we first gather the lists of bindings and edges to + %% delete, then in the second phase we process all the + %% deletions. This is to prevent interleaving of read/write + %% operations in mnesia that can adversely affect performance. {ToDelete, Paths} = lists:foldl( fun(B = #binding{destination = D}, {Acc, PathAcc}) -> |