Question

dcc stop and start worker

Distributed Computing Cluster

Updated April 25, 2016

asked on March 17, 2016

Hi,

Got a question, whenever I have a job assign to a dcc worker. If I stop that worker and I start it later.

Does it continue on the same progress where it was stopped or does it start from scratch?

We have a worker that should only run during off hours and is taking forever to process its job. I wonder if when started is actually restarting the whole job.

Thanks
Gian

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Replies

replied on March 21, 2016

Hi Gian,

I’m not 100% sure to be honest but you can view the output logs from the workers through the web browser/webadmin.

Ideally I suppose you want workers that can run like drones, uninterrupted. When you say stopping the workers and re-starting them. How are you doing this? (re-boot or a service stop?)

Cheers!

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replied on March 21, 2016

Hi Chris,

We actually only have 1 worker which is the LF server. So to not affect performance we stop the worker at 7am and restart it at 8pm

To start them and stop them I use powershell and a windows task.

Import-Module LfDccClusterAdmin
Get-DccWorker | Enable-DccTaskExecution

and to disable

Import-Module LfDccClusterAdmin

Get-DccWorker | Disable-DccTaskExecution

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replied on March 23, 2016

Somebody from LF has an answer?

Live chat is not working at the moment

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replied on March 31, 2016

Hi All,

Can someone from LF please chime in on this.

Cheers!

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replied on April 19, 2016 • Show version history

Hello Gian,

The DCC job should continue from where it left off. Completed tasks are not restarted.

If the job is taking quite some time, you could verify that it is making progress by checking if the number of completed tasks are rising in the Web Administration Console.

It's also important to consider the program that is starting the OCR job on DCC because it determines how long DCC is allowed to log into the LF Server:

Workflow gives an OCR job 3 days.
Web Access gives an OCR job 1 day if its connection to the LF server is secure and 2 hours if the connection is not secure.

DCC_Web_Admin.png (73.4 KB)

| Download

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replied on April 25, 2016

Hi Marisa,

Workflow is starting the OCR.

The problem is that I only have 1 job with 1 task.

This workflow picks up all the non-ocrd documents and sends them to DCC.

I am guessing that when the task is not completed it will start over?

If so, how would it be best to OCR all remaining documents with DCC and workflow?

I am thinking of having a SQL table to hold all the entry ids that need OCR and then send them to DCC in batches. Maybe you have a better suggestion?

Thanks
Gian

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dcc stop and start worker

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