Hi,

I can’t find anything w/ session id after worker is restarted.

http://localhost:8100/admin/v2/clusters/taskTestCluster/instances/BOB-2/1669dbeb1fa0003
I get error 404
http://localhost:8100/admin/v2/clusters/taskTestCluster/instances/BOB-2/1669dbeb1fa0003/Task_REST-GET_1540245606312
also gets error 404

http://localhost:8100/admin/v2/clusters/taskTestCluster/instances/BOB-2


liveInstance

id

"BOB-2"

simpleFields

HELIX_VERSION

"0.8.2"

LIVE_INSTANCE

"35436@XXXXXXXX"

SESSION_ID

"1669dbeb1fa0003"

mapFields

{}

listFields

{}

id

"BOB-2"

config

id

"BOB-2"

simpleFields

HELIX_ENABLED

"true"

HELIX_ENABLED_TIMESTAMP

"1539205545920"

HELIX_HOST

"BOB-2"

HELIX_PORT

""

mapFields

{}

listFields

TAG_LIST

0

"minion_untagged"



Digant

From: Hunter Lee [mailto:[email protected]]
Sent: Monday, October 22, 2018 5:20 PM
To: [email protected]
Subject: Re: Helix 0.8.2 Task Reassignment

Hi Digant,

Helix Task Framework has automatic task-reassign built in. However, I've 
recently discovered an edge case where a task could get stuck in case there is 
a Participant connection issue/Zookeeper session reset. I am currently working 
on the fix, but just to verify this, could you tell me what you see under 
currentStates for the instance?

The currentState of the task should be located in 
/<YOUR_CLUSTER_NAME>/INSTANCES/<YOUR_INSTANCE>/<session string>/<YOUR_JOB_NAME>
and it should contain fields like ASSIGNED_PARTICIPANT, INFO, STATE, etc.

Thanks,
Hunter

On Mon, Oct 22, 2018 at 11:36 AM Modha, Digant 
<[email protected]<mailto:[email protected]>> wrote:
Hi Hunter,

I am currently evaluating the Helix Job functionality.   The number of live 
instances varies between 1 and 3.  I set the numConcurrentTasksPerInstance to 1 
since I don’t expect the workers to do more than one task concurrently.  Right 
now I am only testing it with 1 task per job, but I expect to have tens or 
hundreds of tasks when fully functional.


ZKHelixManager.ALLOW_PARTICIPANT_AUTO_JOIN = true ;


JobConfig.Builder jobBuilder = new 
JobConfig.Builder().addTaskConfigs(helixTaskConfigs)
    .setInstanceGroupTag(instanceTag)
    .setNumConcurrentTasksPerInstance(numConcurrentTasksPerInstance)
    .setIgnoreDependentJobFailure(true)
    .setMaxAttemptsPerTask(10)
    .setFailureThreshold(Integer.MAX_VALUE)
    ;
Thanks,

Digant

From: Hunter Lee [mailto:[email protected]<mailto:[email protected]>]
Sent: Monday, October 22, 2018 2:20 PM
To: [email protected]<mailto:[email protected]>
Subject: Re: Helix 0.8.2 Task Reassignment

Digant,
I might have a clue - but before we jump to a conclusion, do you mind sharing 
your workflow/job configs? Also, the number of jobs and tasks per job, and the 
number of live instances.
More specifically, what are you setting NumConcurrentTasksPerInstance in the 
jobs' configs?
Thanks,
Hunter
Sent from 
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On Oct 22, 2018, at 11:08, "Modha, Digant" 
<[email protected]<mailto:[email protected]>> wrote:
Hi,


When an instance a task is assigned to dies after task is assigned but before 
task is completed, task does not seem to be reassigned to another instance.  
Even if the original instance comes back up, it does not seem to process the 
task.




I am using helix 0.8.2 and submitting task to a job queue.


Should the job context partition state be set to TASK_ERROR in 
AssignableInstanceManager when the instance a task is assigned to is no longer 
a LiveInstance?


jobContext.setPartitionState(taskIndex, TaskPartitionState.TASK_ERROR);


Digant




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caused by the use of this information. This communication is for informational 
purposes only and is not intended as an offer or solicitation for the purchase 
or sale of any financial instrument or as an official confirmation of any 
transaction. TD Securities is neither making any investment recommendation nor 
providing any professional or advisory services relating to the activities 
described herein. All market prices, data and other information are not 
warranted as to completeness or accuracy and are subject to change without 
notice Any products described herein are (i) not insured by the FDIC, (ii) not 
a deposit or other obligation of, or guaranteed by, an insured depository 
institution and (iii) subject to investment risks, including possible loss of 
the principal amount invested. The information shall not be further distributed 
or duplicated in whole or in part by any means without the prior written 
consent of TD Securities. TD Securities is a trademark of The Toronto-Dominion 
Bank and represents TD Securities (USA) LLC and certain investment banking 
activities of The Toronto-Dominion Bank and its subsidiaries.

TD Securities disclaims any liability or losses either direct or consequential 
caused by the use of this information. This communication is for informational 
purposes only and is not intended as an offer or solicitation for the purchase 
or sale of any financial instrument or as an official confirmation of any 
transaction. TD Securities is neither making any investment recommendation nor 
providing any professional or advisory services relating to the activities 
described herein. All market prices, data and other information are not 
warranted as to completeness or accuracy and are subject to change without 
notice Any products described herein are (i) not insured by the FDIC, (ii) not 
a deposit or other obligation of, or guaranteed by, an insured depository 
institution and (iii) subject to investment risks, including possible loss of 
the principal amount invested. The information shall not be further distributed 
or duplicated in whole or in part by any means without the prior written 
consent of TD Securities. TD Securities is a trademark of The Toronto-Dominion 
Bank and represents TD Securities (USA) LLC and certain investment banking 
activities of The Toronto-Dominion Bank and its subsidiaries.

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