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https://issues.apache.org/jira/browse/HDFS-10207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15250764#comment-15250764
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Xiaoyu Yao commented on HDFS-10207:
-----------------------------------
[~xiaobingo], thanks for the update. patch v006 looks good to me.
+1 after the following unused import removed from Namenode.java
{code}
import org.apache.hadoop.ipc.RPC;
import java.util.Collections;
import java.util.Set;
{code}
> Support enable Hadoop IPC backoff without namenode restart
> ----------------------------------------------------------
>
> Key: HDFS-10207
> URL: https://issues.apache.org/jira/browse/HDFS-10207
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Xiaoyu Yao
> Assignee: Xiaobing Zhou
> Attachments: HDFS-10207-HDFS-9000.000.patch,
> HDFS-10207-HDFS-9000.001.patch, HDFS-10207-HDFS-9000.002.patch,
> HDFS-10207-HDFS-9000.003.patch, HDFS-10207-HDFS-9000.004.patch,
> HDFS-10207-HDFS-9000.005.patch, HDFS-10207-HDFS-9000.006.patch
>
>
> It will be useful to allow changing {{ipc.#port#.backoff.enable}} without a
> namenode restart to protect namenode from being overloaded.
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