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https://issues.apache.org/jira/browse/HDFS-15757?focusedWorklogId=545788&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-545788
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ASF GitHub Bot logged work on HDFS-15757:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Feb/21 04:30
Start Date: 02/Feb/21 04:30
Worklog Time Spent: 10m
Work Description: goiri commented on a change in pull request #2651:
URL: https://github.com/apache/hadoop/pull/2651#discussion_r568315552
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/ConnectionContext.java
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@@ -42,7 +44,10 @@
private int numThreads = 0;
/** If the connection is closed. */
private boolean closed = false;
-
+ /** Last timestamp the connection was active. */
+ private long lastActiveTs = 0;
+ /** The connection's active status would expire after this window. */
+ private long activeWindow = TimeUnit.SECONDS.toMillis(30);
Review comment:
I agree. and called ACTIVE_WINDOW_TIME
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Issue Time Tracking
-------------------
Worklog Id: (was: 545788)
Time Spent: 1.5h (was: 1h 20m)
> RBF: Improving Router Connection Management
> -------------------------------------------
>
> Key: HDFS-15757
> URL: https://issues.apache.org/jira/browse/HDFS-15757
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: Fengnan Li
> Assignee: Fengnan Li
> Priority: Major
> Labels: pull-request-available
> Attachments: RBF_ Improving Router Connection Management_v2.pdf, RBF_
> Improving Router Connection Management_v3.pdf, RBF_ Router Connection
> Management.pdf
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> We have seen high number of connections from Router to namenodes, leaving
> namenodes unstable.
> This ticket is trying to reduce connections through some changes. Please take
> a look at the design and leave comments.
> Thanks!
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