[
https://issues.apache.org/jira/browse/FLINK-11887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chesnay Schepler updated FLINK-11887:
-------------------------------------
Summary: Latency metrics drift apart (was: Operator's Latency Metrics
continues to increase)
> Latency metrics drift apart
> ---------------------------
>
> Key: FLINK-11887
> URL: https://issues.apache.org/jira/browse/FLINK-11887
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics
> Affects Versions: 1.6.3
> Reporter: Suxing Lee
> Assignee: Suxing Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.3, 1.9.0, 1.8.1
>
> Attachments:
> flink_taskmanager_job_latency_source_id_operator_id_operator_subtask_index_1_latency.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The operator's latency time is increased by approximately 2.7 minutes per day
> (see the attached).
> We compute the latency by System.currentTimeMillis - marker.getMarkedTime.
> There is no guarantee that System.currentTimeMillis and System.nanoTime don't
> drift apart.
> If a GC pause or linux preemptive scheduling happenes, this should affect
> latency metrics.
> Latency metrics drift away from their initial values with time(verify this
> result via the JVM Heap Dump).
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
