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https://issues.apache.org/jira/browse/HDFS-15733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17251761#comment-17251761
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Haibin Huang commented on HDFS-15733:
-------------------------------------
Thanks [~elgoiri] for comment, i have updated the patch, now the debug msg look
like this:
{code:java}
2020-12-18 21:18:10,356 DEBUG datanode.DataNode
(BlockReceiver.java:receivePacket(541)) - Receiving one packet for block
BP-985744046-192.168.0.100-1608297475921:blk_1073741828_0 seqno:100
header:PacketHeader with packetLen=8 header data: offsetInBlock: 0
{code}
> Add seqno in log when BlockReceiver receive packet
> --------------------------------------------------
>
> Key: HDFS-15733
> URL: https://issues.apache.org/jira/browse/HDFS-15733
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haibin Huang
> Assignee: Haibin Huang
> Priority: Minor
> Attachments: HDFS-15733-001.patch, HDFS-15733-002.patch
>
>
> There is a debug log show when BlockReceiver receiving a new packet, however
> now we can't tell which packet this debug log belongs to, i think it would be
> better to add a sequence number in the log.
> now the debug log like this, missing the seqno of packetÂ
> {code:java}
> 2020-12-11,16:26:30,518 DEBUG
> org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving one packet for
> block BP-XXX:blk_XXX: PacketHeader with packetLen=2559 header data:
> offsetInBlock: 1
> {code}
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