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https://issues.apache.org/jira/browse/FLINK-15448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17153288#comment-17153288
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Yangze Guo commented on FLINK-15448:
------------------------------------
After an offline discussion with [~victor-wong], we decide that I would be
responsible for this ticket. [~trohrmann] Could you re-assign this to me?
> Log host informations for TaskManager failures.
> -----------------------------------------------
>
> Key: FLINK-15448
> URL: https://issues.apache.org/jira/browse/FLINK-15448
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Affects Versions: 1.9.1
> Reporter: Victor Wong
> Assignee: Victor Wong
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.12.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> With Flink on Yarn, sometimes we ran into an exception like this:
> {code:java}
> java.util.concurrent.TimeoutException: The heartbeat of TaskManager with id
> container_xxxx timed out.
> {code}
> We'd like to find out the host of the lost TaskManager to log into it for
> more details, we have to check the previous logs for the host information,
> which is a little time-consuming.
> Maybe we can add more descriptive information to ResourceID of Yarn
> containers, e.g. "container_xxx@host_name:port_number".
> Here's the demo:
> {code:java}
> class ResourceID {
> final String resourceId;
> final String details;
> public ResourceID(String resourceId) {
> this.resourceId = resourceId;
> this.details = resourceId;
> }
> public ResourceID(String resourceId, String details) {
> this.resourceId = resourceId;
> this.details = details;
> }
> public String toString() {
> return details;
> }
> }
> // in flink-yarn
> private void startTaskExecutorInContainer(Container container) {
> final String containerIdStr = container.getId().toString();
> final String containerDetail = container.getId() + "@" +
> container.getNodeId();
> final ResourceID resourceId = new ResourceID(containerIdStr,
> containerDetail);
> ...
> }
> {code}
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