HADOOP-19364. IoStats support for AAL [DRAFT]

[ahmarsuhail]

Description of PR

Based off of #7763

How was this patch tested?

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	21m 30s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 1s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 8 new or modified test files.
			_ trunk Compile Tests _
-1 ❌	mvninstall	45m 22s	/branch-mvninstall-root.txt	root in trunk failed.
+1 💚	compile	0m 46s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	compile	0m 37s		trunk passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	checkstyle	0m 34s		trunk passed
+1 💚	mvnsite	0m 44s		trunk passed
+1 💚	javadoc	0m 42s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	0m 34s		trunk passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	1m 9s		trunk passed
+1 💚	shadedclient	34m 15s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
-1 ❌	mvninstall	0m 22s	/patch-mvninstall-hadoop-tools_hadoop-aws.txt	hadoop-aws in the patch failed.
-1 ❌	compile	0m 25s	/patch-compile-hadoop-tools_hadoop-aws-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt	hadoop-aws in the patch failed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.
-1 ❌	javac	0m 25s	/patch-compile-hadoop-tools_hadoop-aws-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt	hadoop-aws in the patch failed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.
-1 ❌	compile	0m 23s	/patch-compile-hadoop-tools_hadoop-aws-jdkPrivateBuild-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09.txt	hadoop-aws in the patch failed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09.
-1 ❌	javac	0m 23s	/patch-compile-hadoop-tools_hadoop-aws-jdkPrivateBuild-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09.txt	hadoop-aws in the patch failed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09.
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-0 ⚠️	checkstyle	0m 20s	/results-checkstyle-hadoop-tools_hadoop-aws.txt	hadoop-tools/hadoop-aws: The patch generated 2 new + 3 unchanged - 0 fixed = 5 total (was 3)
-1 ❌	mvnsite	0m 25s	/patch-mvnsite-hadoop-tools_hadoop-aws.txt	hadoop-aws in the patch failed.
+1 💚	javadoc	0m 28s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	0m 26s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
-1 ❌	spotbugs	0m 22s	/patch-spotbugs-hadoop-tools_hadoop-aws.txt	hadoop-aws in the patch failed.
+1 💚	shadedclient	36m 58s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
-1 ❌	unit	0m 28s	/patch-unit-hadoop-tools_hadoop-aws.txt	hadoop-aws in the patch failed.
+1 💚	asflicense	0m 37s		The patch does not generate ASF License warnings.
		146m 25s

Subsystem	Report/Notes
Docker	ClientAPI=1.51 ServerAPI=1.51 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8007/1/artifact/out/Dockerfile
GITHUB PR	#8007
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux c998ace528f3 5.15.0-156-generic #166-Ubuntu SMP Sat Aug 9 00:02:46 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 9e7bc0b
Default Java	Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8007/1/testReport/
Max. process+thread count	612 (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-8007/1/console
versions	git=2.25.1 maven=3.9.11 spotbugs=4.2.2
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