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https://issues.apache.org/jira/browse/HDFS-9446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15032684#comment-15032684
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Colin Patrick McCabe commented on HDFS-9446:
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Please do not change the type of {{tSize}}. It would silently break everyone
using libhdfs, causing crashes and memory corruption. Instead, we are probably
going to add a new API for creating files that takes a block size bigger than
32 bits. The other uses of {{tSize}} are all places where 31 bits is enough
(reading into and out of buffers which can't be larger than 31 bits anyway)
> tSize of libhdfs in hadoop-2.7.1 is still int32_t
> -------------------------------------------------
>
> Key: HDFS-9446
> URL: https://issues.apache.org/jira/browse/HDFS-9446
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Glen Cao
>
> Issue (https://issues.apache.org/jira/browse/HDFS-466) says what I mentioned
> in the title is fixed. However, I find that in the source
> (hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.h) of
> hadoop-2.7.1, tSize is still typedef-ed as int32_t and I don't find any
> compilation option about that.
> In hdfs.h:
> 75 typedef int32_t tSize; /// size of data for read/write io ops
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