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emqx
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chore: make remsh node name away from the atom table overflow

This commit is contained in:
firest 2022-11-18 14:23:49 +08:00
parent 55aa282d34
commit 61517f8280
2 changed files with 7 additions and 2 deletions
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2
bin/emqx
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@ -319,7 +319,7 @@ relx_rem_sh() {
# Generate a random id # Generate a random id
relx_gen_id() { relx_gen_id() {
od -t x -N 4 /dev/urandom | head -n1 | awk '{print $2}' od -t u -N 4 /dev/urandom | head -n1 | awk '{print $2 % 1000}'
} }
# Control a node # Control a node

7
bin/nodetool
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@ -202,7 +202,12 @@ nodename(Name) ->
this_node_name(Name) -> this_node_name(Name) ->
[Node, Host] = re:split(Name, "@", [{return, list}, unicode]), [Node, Host] = re:split(Name, "@", [{return, list}, unicode]),
list_to_atom(lists:concat(["remsh_maint_", Node, os:getpid(), "@", Host])). list_to_atom(lists:concat(["remsh_maint_", Node, node_name_suffix_id(), "@", Host])).
%% use the reversed value that from pid mod 1000 as the node name suffix
node_name_suffix_id() ->
Pid = os:getpid(),
string:slice(string:reverse(Pid), 0, 3).
%% For windows??? %% For windows???
create_mnesia_dir(DataDir, NodeName) -> create_mnesia_dir(DataDir, NodeName) ->