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https://issues.apache.org/jira/browse/YARN-10335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17149843#comment-17149843
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Bibin Chundatt edited comment on YARN-10335 at 7/2/20, 4:45 AM:
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Thank you for showing interest in the JIRA [~cyrusjackson25]
Adding what i have in mind about the health detail. Node manager has node
health service which returns a boolean value .Sends UNHEALTHY if the node
health script return error / If we don't have any healthy local directories.
We will introduce field/fields which returns detailed node health value about
the node along with the NodeHealthStatus.
Example:
{quote}
message NodeHealthStatusProto {
optional bool isHealthy = 1;
optional string nodeHealthDescription = 2;
optional string exceptionString = 3;
optional NodeHealthDetail nodehealthDetail=4;
optional StringIntMapProto nodeHealthdetail=5;
}
message StringStringMapProto {
optional string key = 1;
optional int32 value = 2;
}
keys could be - overall , ssd, non ssd, etc..
{quote}
Also make the NodeHealthService pluggable to support custom implementations of
NodeHealthServices.
was (Author: bibinchundatt):
Thank you for showing interest in the JIRA [~cyrusjackson25]
Adding the thought what i have in mind about the health value. Node manager
has node health service which returns a boolean value .
Sends UNHEALTHY if the node health script return error / If we don't have any
healthy local directories.
We want to introduce field/fields which returns detailed node health value
about the node along with the NodeHealthStatus.
Example:
{quote}
message NodeHealthStatusProto {
optional bool isHealthy = 1;
optional string nodeHealthDescription = 2;
optional string exceptionString = 3;
optional NodeHealthDetail nodehealthDetail=4;
optional StringIntMapProto nodeHealthdetail=5;
}
message StringStringMapProto {
optional string key = 1;
optional int32 value = 2;
}
keys could be - overall , ssd, non ssd, etc..
{quote}
Also make the NodeHealthService pluggable to support custom implementations of
NodeHealthServices.
> Improve scheduling of containers based on node health
> -----------------------------------------------------
>
> Key: YARN-10335
> URL: https://issues.apache.org/jira/browse/YARN-10335
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Bibin Chundatt
> Assignee: Cyrus Jackson
> Priority: Major
>
> YARN-7494 supports providing interface to choose nodeset for scheduler
> allocation.
> We could leverage the same to support allocation of containers based on node
> health value send from nodemanagers
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