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Type:
Bug
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Networking
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Labels:None
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Fully Compatible
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ALL
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Service Arch 2020-03-09
Currently when I start mongod, I get this warning multiple times:
{"t":{"$date":"2020-02-28T10:54:37.871-0500"},"s":"I", "c":"CONTROL", "id":23285,"ctx":"main","msg":"Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'"}
{"t":{"$date":"2020-02-28T10:54:37.923-0500"},"s":"W", "c":"ASIO", "id":22601,"ctx":"main","msg":"No TransportLayer configured during NetworkInterface startup"}
{"t":{"$date":"2020-02-28T10:54:37.924-0500"},"s":"I", "c":"NETWORK", "id":23014,"ctx":"main","msg":"{foStatus_reason}","attr":{"foStatus_reason":"TCP FastOpen support requested, but disabled in kernel. Set /proc/sys/net/ipv4/tcp_fastopen to 3"}}
{"t":{"$date":"2020-02-28T10:54:37.925-0500"},"s":"I", "c":"STORAGE", "id":4615611,"ctx":"initandlisten","msg":"MongoDB starting","attr":{"pid":3049529,"port":27017,"dbpath":"asdfasdf","architecture":"64-bit","host":"lazarus"}}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":20533,"ctx":"initandlisten","msg":"DEBUG build (which is slower)"}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":20719,"ctx":"initandlisten","msg":"{mongodVersion_vii}","attr":{"mongodVersion_vii":"db version v4.3.3"}}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":23399,"ctx":"initandlisten","msg":"git version: {gitVersion}","attr":{"gitVersion":"unknown"}}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":23400,"ctx":"initandlisten","msg":"{openSSLVersion_OpenSSL_version}","attr":{"openSSLVersion_OpenSSL_version":"OpenSSL version: OpenSSL 1.1.1d FIPS 10 Sep 2019"}}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":23401,"ctx":"initandlisten","msg":"allocator: {allocator}","attr":{"allocator":"tcmalloc"}}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":23402,"ctx":"initandlisten","msg":"{ss_str}","attr":{"ss_str":"modules: none"}}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":23403,"ctx":"initandlisten","msg":"build environment:"}
{"t":{"$date":"2020-02-28T10:54:37.926-0500"},"s":"I", "c":"CONTROL", "id":23404,"ctx":"initandlisten","msg":" {std_get_0_envDataEntry}: {std_get_1_envDataEntry}","attr":{"std_get_0_envDataEntry":"distarch","std_get_1_envDataEntry":"x86_64"}}
{"t":{"$date":"2020-02-28T10:54:37.927-0500"},"s":"I", "c":"CONTROL", "id":23404,"ctx":"initandlisten","msg":" {std_get_0_envDataEntry}: {std_get_1_envDataEntry}","attr":{"std_get_0_envDataEntry":"target_arch","std_get_1_envDataEntry":"x86_64"}}
{"t":{"$date":"2020-02-28T10:54:37.927-0500"},"s":"I", "c":"CONTROL", "id":51765,"ctx":"initandlisten","msg":"operating system: {name}, version: {version}","attr":{"name":"Fedora release 31 (Thirty One)","version":"Kernel 5.4.15-200.fc31.x86_64"}}
{"t":{"$date":"2020-02-28T10:54:37.927-0500"},"s":"I", "c":"CONTROL", "id":21951,"ctx":"initandlisten","msg":"options: {serverGlobalParams_parsedOpts}","attr":{"serverGlobalParams_parsedOpts":{"storage":{"dbPath":"asdfasdf"}}}}
{"t":{"$date":"2020-02-28T10:54:37.928-0500"},"s":"I", "c":"NETWORK", "id":23014,"ctx":"initandlisten","msg":"{foStatus_reason}","attr":{"foStatus_reason":"TCP FastOpen support requested, but disabled in kernel. Set /proc/sys/net/ipv4/tcp_fastopen to 3"}}
It should only appear once per run, and be collected with the other startup warnings. Note that this is important because downstream consumers of mongod collect startup warnings and display them together, whereas randomly appearing warnings will just be ignored.