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https://issues.apache.org/jira/browse/HDFS-12082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16108469#comment-16108469
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Weiwei Yang commented on HDFS-12082:
------------------------------------
Thanks [~arpiagariu] for the help :).
> BlockInvalidateLimit value is incorrectly set after namenode heartbeat
> interval reconfigured
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-12082
> URL: https://issues.apache.org/jira/browse/HDFS-12082
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs, namenode
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Fix For: 2.9.0, 3.0.0-beta1
>
> Attachments: HDFS-12082.001.patch, HDFS-12082.002.patch,
> HDFS-12082.003.patch, HDFS-12082.004.patch
>
>
> HDFS-1477 provides an option to reconfigured namenode heartbeat interval
> without restarting the namenode. When the heartbeat interval is reconfigured,
> {{blockInvalidateLimit}} gets recounted
> {code}
> this.blockInvalidateLimit = Math.max(20 * (int) (intervalSeconds),
> DFSConfigKeys.DFS_BLOCK_INVALIDATE_LIMIT_DEFAULT);
> {code}
> this doesn't honor the existing value set by {{dfs.block.invalidate.limit}}.
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