Increase Logging During Replication/Backup?

[Albert Law]

Hi All,

Is there a way I could increase logging during the replication and
backup stages of a job?

I've been looking at the code and can't easily see a way of doing it
without compiling a special version.

I'm hoping for some magical switch. :)


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Albert Law
Lead Engineer - Data Acquisition
NewBrand
http://www.newbrandanalytics.com/

[Ian Barfield]

By increase logging, do you mean adding additional logging statements? That cannot really be done without recompiling.

If you just mean changing the logging level, then sure you can do that via whatever logging framework you use. I think hydra-uber uses log4j2 by default. If you are trying to debug your unusual pauses, then stewart's "mesh.queue.debug" might be of interest. I think it just kinda sidesteps centralized logging control.

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[Albert Law]

Hi Ian,

Sure, log4j logging level setting is possible. I was hoping for a
job-base switch. In the past, I've used "verboseCheck=true" in a job
configuration.

[Ian Barfield]

Most of the logging you are probably interested in occurs in Minion rather than the job task itself. Job config settings generally only affect the java "task" process, whereas all the backup and replica logic occurs in minion (or in wrapper scripts that minion creates).

That aside, newer versions of hydra allow for configuring logging settings from within job configs, but it isn't fully hammered out (mostly due to log4j2's configuration framework being awful).