Hi,
I adore Couch, but one thing always puzzled me is the log files syntax.
I understand it is readable for Erlang people, but not being one of
them, can, please, someone help me decipher the lines below.
Couch stopped answering queries yesterday, after 6 months of flawless
operation.
There was nothing unusual on the OS, disk has plenty of space, etc.
Ubuntu 14. Couch 1.6.
Restarting it fixed the problem.
But I am still unsure if possible data corruption may have occurred and
what was the root cause of the problem.
Thanks!
[Fri, 25 Nov 2016 14:53:01 GMT] [error] [<0.2510.0>] {error_report,<0.78.0>,
{<0.2510.0>,crash_report,
[[{initial_call,{disksup,init,['Argument__1']}},
{pid,<0.2510.0>},
{registered_name,disksup},
{error_info,
{exit,
{badarg,
[{erlang,port_close,[#Port<0.3152>],[]},
{disksup,terminate,2,
[{file,"disksup.erl"},{line,164}]},
{gen_server,terminate,6,
[{file,"gen_server.erl"},{line,719}]},
{proc_lib,init_p_do_apply,3,
[{file,"proc_lib.erl"},{line,239}]}]},
[{gen_server,terminate,6,
[{file,"gen_server.erl"},{line,722}]},
{proc_lib,init_p_do_apply,3,
[{file,"proc_lib.erl"},{line,239}]}]}},
{ancestors,[os_mon_sup,<0.79.0>]},
{messages,[]},
{links,[<0.80.0>]},
{dictionary,[]},
{trap_exit,true},
{status,running},
{heap_size,610},
{stack_size,27},
{reductions,350}],
[]]}}
[Fri, 25 Nov 2016 14:53:01 GMT] [error] [<0.80.0>] {error_report,<0.78.0>,
{<0.80.0>,supervisor_report,
[{supervisor,{local,os_mon_sup}},
{errorContext,child_terminated},
{reason,
{badarg,
[{erlang,port_close,[#Port<0.3157>],[]},
{disksup,terminate,2,
[{file,"disksup.erl"},{line,164}]},
{gen_server,terminate,6,
[{file,"gen_server.erl"},{line,719}]},
{proc_lib,init_p_do_apply,3,
[{file,"proc_lib.erl"},{line,239}]}]}},
{offender,
[{pid,<0.2514.0>},
{name,disksup},
{mfargs,{disksup,start_link,[]}},
{restart_type,permanent},
{shutdown,2000},
{child_type,worker}]}]}}
[Fri, 25 Nov 2016 14:53:01 GMT] [error] [<0.2514.0>] ** Generic server
disksup terminating
** Last message in was timeout
** When Server state == {state,100,60000,{unix,linux},[],#Port<0.3157>}
** Reason for termination ==
** {badarg,[{erlang,port_close,[#Port<0.3157>],[]},
{disksup,terminate,2,[{file,"disksup.erl"},{line,164}]},
{gen_server,terminate,6,[{file,"gen_server.erl"},{line,719}]},
{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,239}]}]}
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CEO
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