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new 767be89d30bb [MINOR][DOCS] Update Maven version and MAVEN_OPTS setting
in `building-spark.md` docs
767be89d30bb is described below
commit 767be89d30bb42e472a207f0ed4a60ac99feb09c
Author: Dongjoon Hyun <[email protected]>
AuthorDate: Sat Feb 7 14:37:39 2026 -0800
[MINOR][DOCS] Update Maven version and MAVEN_OPTS setting in
`building-spark.md` docs
### What changes were proposed in this pull request?
This PR aims to update Maven version and MAVEN_OPTS setting in
`building-spark.md` docs.
### Why are the changes needed?
To be up-to-date with the actual building information used in GitHub Action
currently.
https://github.com/apache/spark/blob/bbd8fd6af72e00a8152641fe008353391d8396f1/pom.xml#L123
https://github.com/apache/spark/blob/bbd8fd6af72e00a8152641fe008353391d8396f1/.github/workflows/maven_test.yml#L198
### Does this PR introduce _any_ user-facing change?
No behavior change.
### How was this patch tested?
Manual review.
### Was this patch authored or co-authored using generative AI tooling?
No.
Closes #54196 from dongjoon-hyun/BUILDING-SPARK.
Authored-by: Dongjoon Hyun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>
---
docs/building-spark.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/docs/building-spark.md b/docs/building-spark.md
index 1a2da3b01726..57fa3c2bd6a4 100644
--- a/docs/building-spark.md
+++ b/docs/building-spark.md
@@ -27,7 +27,7 @@ license: |
## Apache Maven
The Maven-based build is the build of reference for Apache Spark.
-Building Spark using Maven requires Maven 3.9.9 and Java 17/21.
+Building Spark using Maven requires Maven 3.9.12 and Java 17/21.
Spark requires Scala 2.13; support for Scala 2.12 was removed in Spark 4.0.0.
### Setting up Maven's Memory Usage
@@ -35,7 +35,7 @@ Spark requires Scala 2.13; support for Scala 2.12 was removed
in Spark 4.0.0.
You'll need to configure Maven to use more memory than usual by setting
`MAVEN_OPTS`:
```sh
-export MAVEN_OPTS="-Xss64m -Xmx2g -XX:ReservedCodeCacheSize=1g"
+export MAVEN_OPTS="-Xss64m -Xmx4g -Xms4g -XX:ReservedCodeCacheSize=128m"
```
(The `ReservedCodeCacheSize` setting is optional but recommended.)
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