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| author | Alexandru Scvortov <alexandru@rabbitmq.com> | 2010-07-20 14:22:44 +0100 |
|---|---|---|
| committer | Alexandru Scvortov <alexandru@rabbitmq.com> | 2010-07-20 14:22:44 +0100 |
| commit | cab1334151fcb54c979075742a1441dc3cd63166 (patch) | |
| tree | a3dd69961ad91f3bbdf5da5c99db0f42866385b5 | |
| parent | 77d9f83cc2e8e6afea0a42d0953d3adfaf2769e1 (diff) | |
| download | rabbitmq-server-cab1334151fcb54c979075742a1441dc3cd63166.tar.gz | |
reporting of cluster node types now works
| -rw-r--r-- | src/rabbit_mnesia.erl | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/rabbit_mnesia.erl b/src/rabbit_mnesia.erl index e2b6927f..7e1b8a9f 100644 --- a/src/rabbit_mnesia.erl +++ b/src/rabbit_mnesia.erl @@ -77,7 +77,7 @@ status() -> {disc, disc_copies}, {ram, ram_copies}], begin - Nodes = mnesia:table_info(schema, CopyType), + Nodes = nodes_of_type(CopyType), Nodes =/= [] end]; no -> case mnesia:system_info(db_nodes) of @@ -144,6 +144,15 @@ empty_ram_only_tables() -> %%-------------------------------------------------------------------- +nodes_of_type(Type) -> + %% This function should return the nodes of a certain type (ram, + %% disc or disc_only) in the current cluster. The type of nodes + %% is determined when the cluster is initially configured. + %% Specifically, we check whether a certain table, which we know + %% will be written to disk on a disc node, is stored on disk or in + %% RAM. + mnesia:table_info(rabbit_durable_exchange, Type). + table_definitions() -> [{rabbit_user, [{record_name, user}, @@ -175,10 +184,10 @@ table_definitions() -> [{record_name, reverse_route}, {attributes, record_info(fields, reverse_route)}, {type, ordered_set}]}, - {rabbit_durable_exchange, - [{record_name, exchange}, - {attributes, record_info(fields, exchange)}, - {disc_copies, [node()]}]}, + {rabbit_durable_exchange, % if you change this entry, + [{record_name, exchange}, % consider the implications + {attributes, record_info(fields, exchange)}, % on nodes_of_type/1 + {disc_copies, [node()]}]}, % <--- this line is particularly important {rabbit_exchange, [{record_name, exchange}, {attributes, record_info(fields, exchange)}]}, |