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https://issues.apache.org/jira/browse/HDFS-10312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15250792#comment-15250792
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Hudson commented on HDFS-10312:
-------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #9637 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9637/])
HDFS-10312. Large block reports may fail to decode at NameNode due to 64
(cnauroth: rev 63ac2db59af2b50e74dc892cae1dbc4d2e061423)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/BlockPoolSlice.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImplTestUtils.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/BlockListAsLongs.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestLargeBlockReport.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
> Large block reports may fail to decode at NameNode due to 64 MB protobuf
> maximum length restriction.
> ----------------------------------------------------------------------------------------------------
>
> Key: HDFS-10312
> URL: https://issues.apache.org/jira/browse/HDFS-10312
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 2.8.0
>
> Attachments: HDFS-10312.001.patch, HDFS-10312.002.patch,
> HDFS-10312.003.patch, HDFS-10312.004.patch
>
>
> Our RPC server caps the maximum size of incoming messages at 64 MB by
> default. For exceptional circumstances, this can be uptuned using
> {{ipc.maximum.data.length}}. However, for block reports, there is still an
> internal maximum length restriction of 64 MB enforced by protobuf. (Sample
> stack trace to follow in comments.) This issue proposes to apply the same
> override to our block list decoding, so that large block reports can proceed.
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