[rabbitmq-discuss] Strange start error issue

[Simon MacMullen]

Hi.

I think you must be from the same organisation as "liubida", the log 
file is identical, so see my answer there:

http://lists.rabbitmq.com/pipermail/rabbitmq-discuss/2012-September/022560.html

Cheers, Simon

On 19/09/12 17:10, Samuel Chen wrote:
> Hi all
>
> I'm new to RabbitMQ. We are facing a strange issue against
> rabbit_mgmt_db. I could not find any similar issues by searching on
> google or stackoverflow. So I wonder if anyone could help to diagnose
> this problem. Thanks in advance.
>
> We have a 2-node clustered RabbitMQ integrated with Celery. It worked
> well for several months.
> The issue occurred the first time on Jul 4th. After restarted, it worked
> for about 2 months. Yesterday the issue occurred twice (one is after
> restarted).
> The stat was that a child (rabbit_mgmt_db??) was killed automatically.
>   By some failures of restarting automatically, it reached the max
> restart intensity. Eventually it was shutdown.
> (Anther situation is that we deployed to 2-node cluster from 1 node
> server at the end of June. Note sure if it caused this issue.)
>
> The hosts are virtual servers with 8/12G ram and 30G disk.
> One node is disc node and the other is ram.
> The load balance was very low (around 100M ram, few tasks) . Disk has
> 2.5G free space.
> Log as below.
>
> Thanks for any help.
>
>         SUPERVISOR REPORT==== 18-Sep-2012::14:53:13 ===
>
>               Supervisor: {<0.28802.1777>,mirrored_supervisor}
>
>               Context:    child_terminated
>
>               Reason:     killed
>
>               Offender:   [{pid,<0.28804.1777>},
>
>                            {name,rabbit_mgmt_db},
>
>                            {mfa,{rabbit_mgmt_db,start_link,[]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
>         =SUPERVISOR REPORT==== 18-Sep-2012::14:53:14 ===
>
>               Supervisor: {<0.28802.1777>,mirrored_supervisor}
>
>               Context:    start_error
>
>               Reason:     {already_started,<19704.13906.2335>}
>
>               Offender:   [{pid,<0.28804.1777>},
>
>                            {name,rabbit_mgmt_db},
>
>                            {mfa,{rabbit_mgmt_db,start_link,[]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
>         =SUPERVISOR REPORT==== 18-Sep-2012::14:53:14 ===
>
>               Supervisor: {<0.28802.1777>,mirrored_supervisor}
>
>               Context:    start_error
>
>               Reason:     {already_started,<19704.13906.2335>}
>
>               Offender:   [{pid,<0.28804.1777>},
>
>                            {name,rabbit_mgmt_db},
>
>                            {mfa,{rabbit_mgmt_db,start_link,[]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
>         =SUPERVISOR REPORT==== 18-Sep-2012::14:53:14 ===
>
>               Supervisor: {<0.28802.1777>,mirrored_supervisor}
>
>               Context:    start_error
>
>               Reason:     {already_started,<19704.13906.2335>}
>
>               Offender:   [{pid,<0.28804.1777>},
>
>                            {name,rabbit_mgmt_db},
>
>                            {mfa,{rabbit_mgmt_db,start_link,[]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
>         =SUPERVISOR REPORT==== 18-Sep-2012::14:53:14 ===
>
>               Supervisor: {<0.28802.1777>,mirrored_supervisor}
>
>               Context:    start_error
>
>               Reason:     {already_started,<19704.13906.2335>}
>
>               Offender:   [{pid,<0.28804.1777>},
>
>                            {name,rabbit_mgmt_db},
>
>                            {mfa,{rabbit_mgmt_db,start_link,[]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
>         =SUPERVISOR REPORT==== 18-Sep-2012::14:53:14 ===
>
>               Supervisor: {<0.28802.1777>,mirrored_supervisor}
>
>               Context:    start_error
>
>               Reason:     {already_started,<19704.13906.2335>}
>
>               Offender:   [{pid,<0.28804.1777>},
>
>                            {name,rabbit_mgmt_db},
>
>                            {mfa,{rabbit_mgmt_db,start_link,[]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
>         =SUPERVISOR REPORT==== 18-Sep-2012::14:53:14 ===
>
>               Supervisor: {local,rabbit_mgmt_sup}
>
>               Context:    shutdown
>
>               Reason:     reached_max_restart_intensity
>
>               Offender:   [{pid,<0.28803.1777>},
>
>                            {name,mirroring},
>
>                            {mfa,
>
>                                {mirrored_supervisor,start_internal,
>
>                                    [rabbit_mgmt_sup,
>
>                                     [{rabbit_mgmt_db,
>
>                                          {rabbit_mgmt_db,start_link,[]},
>
>                                          permanent,4294967295,worker,
>
>                                          [rabbit_mgmt_db]}]]}},
>
>                            {restart_type,permanent},
>
>                            {shutdown,4294967295},
>
>                            {child_type,worker}]
>
>
>
> - Sam
>
>
>
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-- 
Simon MacMullen
RabbitMQ, VMware