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https://issues.apache.org/jira/browse/HIVE-21912?focusedWorklogId=271781&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-271781
]
ASF GitHub Bot logged work on HIVE-21912:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Jul/19 17:45
Start Date: 03/Jul/19 17:45
Worklog Time Spent: 10m
Work Description: odraese commented on pull request #698: HIVE-21912:
Implement DisablingDaemonStatisticsHandler
URL: https://github.com/apache/hive/pull/698#discussion_r300021605
##########
File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
##########
@@ -4358,6 +4358,40 @@ private static void
populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
"The listener which is called when new Llap Daemon statistics is
received on AM side.\n" +
"The listener should implement the " +
"org.apache.hadoop.hive.llap.tezplugins.metrics.LlapMetricsListener
interface."),
+ LLAP_TASK_SCHEDULER_BLACKLISTING_METRICS_LISTENER_MIN_SERVED_TASKS(
+
"hive.llap.task.scheduler.blacklisting.metrics.listener.min.served.tasks", 2000,
+ "If the number of tasks served by a node is below this number then we
will ignore the node\n" +
Review comment:
Maybe instead of formulating a negation here "if below x than we don't do
something", we should simplify the statement to something like "minimum amount
of executed tasks for limping node detection"...
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Issue Time Tracking
-------------------
Worklog Id: (was: 271781)
Time Spent: 2.5h (was: 2h 20m)
> Implement BlacklistingLlapMetricsListener
> -----------------------------------------
>
> Key: HIVE-21912
> URL: https://issues.apache.org/jira/browse/HIVE-21912
> Project: Hive
> Issue Type: Sub-task
> Components: llap, Tez
> Reporter: Peter Vary
> Assignee: Peter Vary
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21912.patch, HIVE-21912.wip-2.patch,
> HIVE-21912.wip.patch
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> We should implement a DaemonStatisticsHandler which:
> * If a node average response time is bigger than 150% (configurable) of the
> other nodes
> * If the other nodes has enough empty executors to handle the requests
> Then disables the limping node.
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