Ayappan created HADOOP-11462:
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Summary: TestSocketIOTimeout needs change for PowerPC platform
Key: HADOOP-11462
URL: https://issues.apache.org/jira/browse/HADOOP-11462
Project: Hadoop Common
Issue Type: Bug
Components: test
Affects Versions: 2.5.2
Environment: PowerPC
Reporter: Ayappan
TestSocketIOWithTimeout uses a block size of 4192 bytes to simulate a partial
write. This seems to be a valid in x86 architecture where the default minimum
blocksize is 4096.
This testcase fails in PowerPC where the default minimum block size is 65536
bytes (64KB). So for PowerPC, using a blocksize little more than 64K , say
65555(65536 + 19) holds good for this scenario.
I attached a patch here where i made it very general by introducing
NativeIO.POSIX.getCacheManipulator().getOperatingSystemPageSize() to get the
page size.
I tested my patch in both ppc64 and x86 linux machines.
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