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https://issues.apache.org/jira/browse/GOBBLIN-1099?focusedWorklogId=411513&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-411513
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ASF GitHub Bot logged work on GOBBLIN-1099:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 27/Mar/20 23:41
Start Date: 27/Mar/20 23:41
Worklog Time Spent: 10m
Work Description: autumnust commented on pull request #2940:
GOBBLIN-1099: Handle orphaned Yarn containers in Gobblin-on-Yarn clus…
URL: https://github.com/apache/incubator-gobblin/pull/2940#discussion_r399583642
##########
File path: gobblin-yarn/src/main/java/org/apache/gobblin/yarn/YarnService.java
##########
@@ -188,6 +193,7 @@
// into the queue if the container running the instance completes. Unused
Helix
// instance names get picked up when replacement containers get allocated.
private final ConcurrentLinkedQueue<String> unusedHelixInstanceNames =
Queues.newConcurrentLinkedQueue();
+ private boolean reuseUnusedHelixInstanceNames = true;
Review comment:
what's the usage of this?
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Issue Time Tracking
-------------------
Worklog Id: (was: 411513)
Time Spent: 1h 10m (was: 1h)
> Handle orphaned Yarn containers in Gobblin-on-Yarn clusters
> -----------------------------------------------------------
>
> Key: GOBBLIN-1099
> URL: https://issues.apache.org/jira/browse/GOBBLIN-1099
> Project: Apache Gobblin
> Issue Type: Improvement
> Components: gobblin-yarn
> Affects Versions: 0.15.0
> Reporter: Sudarshan Vasudevan
> Assignee: Abhishek Tiwari
> Priority: Major
> Fix For: 0.15.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> A Yarn application may leave behind orphaned containers, which can happen due
> to lost node managers. The orphaned containers however can continue to run
> (potentially forever) as participants in the Helix cluster. This can cause
> the following problems for a Gobblin-on-Yarn application:
> # Double publish of data and commit of state
> # Task failures and partition starvation during application restarts, as
> Helix may assign tasks to the orphaned containers which have a stale state
> and configuration
> # Container failures on application restarts due to Helix instance name
> collisions with orphaned containers
>
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