HADOOP-18380. fs.s3a.prefetch.block.size to be read through longBytesOption

[virajjasani]

No description provided.

[virajjasani]

Tested against us-west-2:

$ mvn -Dparallel-tests -DtestsThreadCount=8 clean verify

[INFO] --- maven-surefire-plugin:3.0.0-M1:test (default-test) @ hadoop-aws ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------

[INFO] Results:
[INFO] 
[WARNING] Tests run: 426, Failures: 0, Errors: 0, Skipped: 4
[INFO] 


[INFO] --- maven-failsafe-plugin:3.0.0-M1:integration-test (default-integration-test) @ hadoop-aws ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------

[INFO] Results:
[INFO] 
[WARNING] Tests run: 1143, Failures: 0, Errors: 0, Skipped: 186
[INFO] 


[INFO] --- maven-failsafe-plugin:3.0.0-M1:integration-test (sequential-integration-tests) @ hadoop-aws ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------

[INFO] Results:
[INFO] 
[WARNING] Tests run: 124, Failures: 0, Errors: 0, Skipped: 84

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 44s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+0 🆗	detsecrets	0m 1s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s		The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
			_ trunk Compile Tests _
+1 💚	mvninstall	41m 58s		trunk passed
+1 💚	compile	0m 56s		trunk passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
+1 💚	compile	0m 49s		trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
+1 💚	checkstyle	0m 42s		trunk passed
+1 💚	mvnsite	1m 6s		trunk passed
+1 💚	javadoc	0m 39s		trunk passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
+1 💚	javadoc	0m 46s		trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
+1 💚	spotbugs	2m 4s		trunk passed
+1 💚	shadedclient	24m 36s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 39s		the patch passed
+1 💚	compile	0m 46s		the patch passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
+1 💚	javac	0m 46s		the patch passed
+1 💚	compile	0m 40s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
+1 💚	javac	0m 40s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 27s		the patch passed
+1 💚	mvnsite	0m 40s		the patch passed
+1 💚	javadoc	0m 20s		the patch passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
+1 💚	javadoc	0m 32s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
+1 💚	spotbugs	1m 20s		the patch passed
+1 💚	shadedclient	20m 13s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	2m 53s		hadoop-aws in the patch passed.
+1 💚	asflicense	0m 47s		The patch does not generate ASF License warnings.
		104m 18s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4762/1/artifact/out/Dockerfile
GITHUB PR	#4762
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux 692ad529a4ab 4.15.0-191-generic #202-Ubuntu SMP Thu Aug 4 01:49:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / e6ed0c2
Default Java	Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4762/1/testReport/
Max. process+thread count	677 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-aws U: hadoop-tools/hadoop-aws
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4762/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[virajjasani]

@mukund-thakur could you please review this PR?

[steveloughran]

+1