Type:
Bug
Priority:
Major
Resolution:
Won't Fix
Affects Version/s:
1.2.5
Customer reported DDLProc restarting without any workload. Further investigation and customer's internal test has proved that it was due to service discovery via nmap.
Jun 7 17 : 10 : 00 host1 ProcessMonitor[ 17456 ]: 00.515314 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 1975
Jun 7 17 : 11 : 00 host1 ProcessMonitor[ 17456 ]: 00.512870 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 14737
Jun 7 17 : 12 : 00 host1 ProcessMonitor[ 17456 ]: 00.511107 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 18114
Jun 7 17 : 12 : 50 host1 ProcessMonitor[ 17456 ]: 50.421923 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 19776
Jun 7 17 : 13 : 00 host1 ProcessMonitor[ 17456 ]: 00.514229 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 21232
Jun 7 17 : 14 : 00 host1 ProcessMonitor[ 17456 ]: 00.515231 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 21484
Jun 7 17 : 15 : 00 host1 ProcessMonitor[ 17456 ]: 00.512192 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 23080
Jun 7 17 : 16 : 00 host1 ProcessMonitor[ 17456 ]: 00.516688 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 25084
Jun 7 17 : 17 : 00 host1 ProcessMonitor[ 17456 ]: 00.514691 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 28107
Jun 7 17 : 18 : 00 host1 ProcessMonitor[ 17456 ]: 00.515758 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 29559
Jun 7 17 : 19 : 00 host1 ProcessMonitor[ 17456 ]: 00.512694 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 31345
Jun 7 17 : 20 : 00 host1 ProcessMonitor[ 17456 ]: 00.510610 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 478
/var/log/messages:
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 114 Servant_warning, "Failed to resolve remote hostname." , Session-Id: 148485
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 400 Connect, Src IP: <ip>, Dst IFace: cyber-ark, Dst IP: <ip>, Src Port: 60022 , Dst Port: 63022 , Ver: SSH- 2.0 -Rapid7SSH_0. 2 , Session-Id: 148485
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 1002 Algorithm_negotiation_success, "kex_algorithm=diffie-hellman-group-exchange-sha1, hostkey_algorithm=ssh-rsa, cipher=aes128-cbc/aes128-cbc, mac=hmac-sha1/hmac-sha1, compression=none/none" , Session-Id: 148485
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 1003 KEX_success, Algorithm: diffie-hellman-group-exchange-sha1, Modulus: 2048 bits, Session-Id: 148485 , Protocol-session-Id: 7DF08752DA455FC9A6F919F90CEA2C3178769B9F
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 411 Login_failure, Username: , Reason: Connection lost, Src IP: <ip>, Dst IFace: cyber-ark, Dst IP: <ip>, Src Port: 60022 , Dst Port: 63022 , "Connection lost, Local Disconnect" , Session-Id: 148485
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 402 Disconnect, Reason: Connection lost, Src IP: <ip>, Dst IFace: cyber-ark, Dst IP: <ip>, Src Port: 60022 , Dst Port: 63022 , "Connection lost, Local Disconnect" , Session-Id: 148485
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 403 Version_exchange_failure, Error: Protocol error, Src IP: <ip>, Dst IFace: cyber-ark, Dst IP: <ip>, Src Port: 45720 , Dst Port: 63022 , "Version exchange failed: Malformed client version string prefix: " , Session-Id: 148483
Jun 7 17 : 12 : 10 host1 ssh-server-g3: 402 Disconnect, Reason: , Src IP: <ip>, Dst IFace: cyber-ark, Dst IP: <ip>, Src Port: 45720 , Dst Port: 63022 , "Version exchange failed, Remote Disconnect" , Session-Id: 148483
Jun 7 17 : 12 : 50 host1 ProcessMonitor[ 17456 ]: 50.421923 | 0 | 0 | 0 | C 18 CAL0000: *****MariaDB ColumnStore Process Restarting: DDLProc, old PID = 19776
Jun 7 17 : 12 : 54 host1 ProcessMonitor[ 17456 ]: 54.504540 | 0 | 0 | 0 | I 18 CAL0000: MariaDB ColumnStore Process DDLProc restarted successfully!!
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