HADOOP-18129: Change URI to String in INodeLink to reduce memory footprint of ViewFileSystem

[abhishekdas99]

…

Fixes #3996

(cherry picked from commit da9970d)

Description of PR

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	10m 55s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 1 new or modified test files.
			_ branch-2.10 Compile Tests _
+1 💚	mvninstall	14m 25s		branch-2.10 passed
+1 💚	compile	14m 2s		branch-2.10 passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	compile	11m 11s		branch-2.10 passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	checkstyle	0m 36s		branch-2.10 passed
+1 💚	mvnsite	1m 14s		branch-2.10 passed
+1 💚	javadoc	1m 13s		branch-2.10 passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javadoc	0m 57s		branch-2.10 passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
-1 ❌	spotbugs	2m 4s	/branch-spotbugs-hadoop-common-project_hadoop-common-warnings.html	hadoop-common-project/hadoop-common in branch-2.10 has 2 extant spotbugs warnings.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 45s		the patch passed
+1 💚	compile	13m 17s		the patch passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javac	13m 17s		the patch passed
+1 💚	compile	11m 12s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	javac	11m 12s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-0 ⚠️	checkstyle	0m 34s	/results-checkstyle-hadoop-common-project_hadoop-common.txt	hadoop-common-project/hadoop-common: The patch generated 8 new + 154 unchanged - 1 fixed = 162 total (was 155)
+1 💚	mvnsite	1m 12s		the patch passed
+1 💚	javadoc	1m 11s		the patch passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javadoc	1m 0s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	spotbugs	2m 9s		the patch passed
			_ Other Tests _
-1 ❌	unit	9m 20s	/patch-unit-hadoop-common-project_hadoop-common.txt	hadoop-common in the patch passed.
+1 💚	asflicense	0m 44s		The patch does not generate ASF License warnings.
		102m 52s

Reason	Tests
Failed junit tests	hadoop.io.compress.snappy.TestSnappyCompressorDecompressor
	hadoop.fs.sftp.TestSFTPFileSystem
	hadoop.io.compress.TestCompressorDecompressor

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4083/1/artifact/out/Dockerfile
GITHUB PR	#4083
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
uname	Linux dd746c9bfbdd 4.15.0-162-generic #170-Ubuntu SMP Mon Oct 18 11:38:05 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-2.10 / 4d2f5dd
Default Java	Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
Multi-JDK versions	/usr/lib/jvm/zulu-7-amd64:Azul Systems, Inc.-1.7.0_262-b10 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4083/1/testReport/
Max. process+thread count	1348 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4083/1/console
versions	git=2.17.1 maven=3.6.0 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	10m 50s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 1s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 1 new or modified test files.
			_ branch-2.10 Compile Tests _
+1 💚	mvninstall	14m 27s		branch-2.10 passed
+1 💚	compile	14m 3s		branch-2.10 passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	compile	11m 10s		branch-2.10 passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	checkstyle	0m 37s		branch-2.10 passed
+1 💚	mvnsite	1m 15s		branch-2.10 passed
+1 💚	javadoc	1m 13s		branch-2.10 passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javadoc	0m 58s		branch-2.10 passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
-1 ❌	spotbugs	2m 2s	/branch-spotbugs-hadoop-common-project_hadoop-common-warnings.html	hadoop-common-project/hadoop-common in branch-2.10 has 2 extant spotbugs warnings.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 46s		the patch passed
+1 💚	compile	13m 17s		the patch passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javac	13m 17s		the patch passed
+1 💚	compile	11m 10s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	javac	11m 10s		the patch passed
+1 💚	blanks	0m 1s		The patch has no blanks issues.
-0 ⚠️	checkstyle	0m 35s	/results-checkstyle-hadoop-common-project_hadoop-common.txt	hadoop-common-project/hadoop-common: The patch generated 1 new + 154 unchanged - 1 fixed = 155 total (was 155)
+1 💚	mvnsite	1m 14s		the patch passed
+1 💚	javadoc	1m 10s		the patch passed with JDK Azul Systems, Inc.-1.7.0_262-b10
+1 💚	javadoc	0m 59s		the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
+1 💚	spotbugs	2m 10s		the patch passed
			_ Other Tests _
-1 ❌	unit	9m 16s	/patch-unit-hadoop-common-project_hadoop-common.txt	hadoop-common in the patch passed.
+1 💚	asflicense	0m 45s		The patch does not generate ASF License warnings.
		102m 16s

Reason	Tests
Failed junit tests	hadoop.io.compress.snappy.TestSnappyCompressorDecompressor
	hadoop.fs.sftp.TestSFTPFileSystem
	hadoop.io.compress.TestCompressorDecompressor

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4083/2/artifact/out/Dockerfile
GITHUB PR	#4083
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
uname	Linux 292725b446df 4.15.0-162-generic #170-Ubuntu SMP Mon Oct 18 11:38:05 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-2.10 / 99fa15b
Default Java	Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
Multi-JDK versions	/usr/lib/jvm/zulu-7-amd64:Azul Systems, Inc.-1.7.0_262-b10 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~18.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4083/2/testReport/
Max. process+thread count	1355 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4083/2/console
versions	git=2.17.1 maven=3.6.0 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.

[omalley]

This was committed. Thanks, Abhishek!