How to set timezone of rabbitmq_tracing?

[charnet1019]

MQ Version: 3.8.9

The rabbitmq_tracing install successed and grap the logs. But the log time is 8 hours away from the local time, i can not find how to set it. Wanted help, thanks.

[davidydang]

I met the same issue. I used 3.9.11.
Look forward to the expert's help!

[lukebakken]

The tracing plugin gets the OS system time using this function - https://www.erlang.org/doc/apps/erts/time_correction.html#OS_System_Time

So my guess is that your system time zone is set to UTC.

[davidydang]

I check the time zone of my server. It is CST. But the tracing show UTC. Is there anything wrong with the tracing setting?

This is my linux server time setting:
Local time: Fri 2022-03-11 17:53:43 CST
Universal time: Fri 2022-03-11 09:53:43 UTC
RTC time: Fri 2022-03-11 09:53:43
Time zone: Asia/Shanghai (CST, +0800)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no

[lukebakken]

Never mind, os:system_time will always be UTC. There is no way at this time to change this behavior.

[davidydang]

Thank you, Luke. The thing is RabbitMQ 3.1.1 can present the local time for the tracing file.

[lukebakken]

The thing is RabbitMQ 3.1.1 can present the local time for the tracing file

This is how the timestamp is formatted in RabbitMQ 3.1.1, and it does take time zone into account:

https://github.com/rabbitmq/rabbitmq-management/blob/rabbitmq_v3_1_1/src/rabbit_mgmt_format.erl#L132-L136

Here is where the change was made to use UTC time:

rabbitmq/rabbitmq-management@0e8a512

I will bring this up with the team.

[lukebakken]

@davidydang thanks for your report -

#4276

#4277