TEZ-4706: Use project build directory for Graphviz output and update documentation

[Aggarwal-Raghav]

Presently, Tez.gv (tez-dag/pom.xml) is created in project root directory. As the Visualize profile is specific to tez-dag, its better to move the Tez.gv in tez-dag/target/ directory.

[Aggarwal-Raghav]

@abstractdog , i think its better to move to
<tez.graphviz.output.file>Tez.gv</tez.graphviz.output.file> => <tez.graphviz.output.file>${project.build.directory}/Tez.gv</tez.graphviz.output.file>

it will generate in tez-dag/target/Tez.gv ?

[tez-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 14s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ master Compile Tests _
			_ Patch Compile Tests _
+1 💚	codespell	0m 7s		No new issues.
+1 💚	blanks	0m 0s		The patch has no blanks issues.
			_ Other Tests _
+1 💚	asflicense	0m 24s		The patch does not generate ASF License warnings.
		1m 15s

Subsystem	Report/Notes
Docker	ClientAPI=1.54 ServerAPI=1.54 base: https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-480/1/artifact/out/Dockerfile
GITHUB PR	#480
Optional Tests	dupname asflicense codespell detsecrets
uname	Linux dff5152267bd 5.15.0-173-generic #183-Ubuntu SMP Fri Mar 6 13:29:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-home/workspace/tez-multibranch_PR-480/src/.yetus/personality.sh
git revision	master / 53f9a6a
Max. process+thread count	56 (vs. ulimit of 5500)
modules	C: . U: .
Console output	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-480/1/console
versions	git=2.43.0 maven=3.9.14 codespell=2.4.1
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[abstractdog]

@abstractdog , i think its better to move to <tez.graphviz.output.file>Tez.gv</tez.graphviz.output.file> => <tez.graphviz.output.file>${project.build.directory}/Tez.gv</tez.graphviz.output.file>

it will generate in tez-dag/target/Tez.gv ?

even better, thanks! feel free to rename ticket/PR accordingly

also, don't forget to add this detail in the other ongoing PR:

* `-Dtez.graphviz.output.file` (Default: Tez.gv)

#477
because the default will become target/Tez.gv in this case

[Aggarwal-Raghav]

can you please review #477 then post that I'll update this, I don't wanna update BUILDING.txt in this PR or it will be like half-work in this pr (pom changes) and other half changes in 477 (REAME.md) changes.

[tez-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	7m 47s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+0 🆗	xmllint	0m 0s		xmllint 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.
			_ master Compile Tests _
+0 🆗	mvndep	0m 32s		Maven dependency ordering for branch
+1 💚	mvninstall	4m 19s		master passed
+1 💚	compile	2m 34s		master passed
+1 💚	javadoc	2m 0s		master passed
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 9s		Maven dependency ordering for patch
+1 💚	mvninstall	4m 1s		the patch passed
+1 💚	codespell	1m 36s		No new issues.
+1 💚	compile	2m 32s		the patch passed
+1 💚	javac	2m 32s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	markdownlint	0m 2s		No new issues.
+1 💚	javadoc	1m 57s		the patch passed
			_ Other Tests _
+1 💚	unit	5m 37s		tez-dag in the patch passed.
+1 💚	unit	70m 57s		root in the patch passed.
+1 💚	asflicense	1m 24s		The patch does not generate ASF License warnings.
		107m 2s

Subsystem	Report/Notes
Docker	ClientAPI=1.54 ServerAPI=1.54 base: https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-480/2/artifact/out/Dockerfile
GITHUB PR	#480
Optional Tests	dupname asflicense codespell detsecrets markdownlint javac javadoc unit xmllint compile
uname	Linux 837daa0f75e2 5.15.0-173-generic #183-Ubuntu SMP Fri Mar 6 13:29:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-home/workspace/tez-multibranch_PR-480/src/.yetus/personality.sh
git revision	master / b1d9b94
Default Java	Ubuntu-21.0.10+7-Ubuntu-124.04
Test Results	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-480/2/testReport/
Max. process+thread count	1354 (vs. ulimit of 5500)
modules	C: tez-dag . U: .
Console output	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-480/2/console
versions	git=2.43.0 maven=3.9.14 codespell=2.4.1 markdownlint=0.46.0
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