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https://issues.apache.org/jira/browse/HDFS-10207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15250714#comment-15250714
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Xiaobing Zhou commented on HDFS-10207:
--------------------------------------
patch v006 removed some unused imports, e.g.
{code}
- import static
org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY;
- import static
org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_LIFELINE_RPC_ADDRESS_KEY;
{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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