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This fixes the problem in 5.0 in the correct way. The previous patch (for 4.1) is only valid for 4.1 and is done at the right time for 4.1. ndb/src/kernel/main.cpp: The ndbd angel process keeps the mgm connection open as it retains a reference to the socket. this means that when the mgm server is killed, the socket stays in CLOSE_WAIT (the ndb process will close() it okay in 5.0, as we reused it for a transporter but this isn't enough as the angel process still has a reference to that socket). so, by adding in a theConfig->closeConfiguration(); in the angel process, the ndb process is left with the only reference to the socket - which it can close whenever it likes (namely when the connection is terminated).
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