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new ccff9980762f [SPARK-53210][CORE][SQL][DSTREAM][YARN] Use Java
`Files.write(String)?` instead of `com.google.common.io.Files.write`
ccff9980762f is described below
commit ccff9980762fd83f2619532028c04cb030b632bb
Author: Dongjoon Hyun <dongj...@apache.org>
AuthorDate: Sat Aug 9 16:07:57 2025 +0800
[SPARK-53210][CORE][SQL][DSTREAM][YARN] Use Java `Files.write(String)?`
instead of `com.google.common.io.Files.write`
### What changes were proposed in this pull request?
This PR aims to use Java `Files.write` instead of
`com.google.common.io.Files.write`.
### Why are the changes needed?
Java native API is faster than `Google` API.
```scala
scala> val a = new Array[Byte](2_000_000_000)
scala> spark.time(java.nio.file.Files.write(Path.of("/tmp/a"), a))
Time taken: 560 ms
scala> spark.time(com.google.common.io.Files.write(a, new
java.io.File("/tmp/a")))
Time taken: 685 ms
```
### Does this PR introduce _any_ user-facing change?
No. This is a test-only change.
### How was this patch tested?
Pass the CIs.
### Was this patch authored or co-authored using generative AI tooling?
No.
Closes #51935 from dongjoon-hyun/SPARK-53210.
Authored-by: Dongjoon Hyun <dongj...@apache.org>
Signed-off-by: yangjie01 <yangji...@baidu.com>
---
.../org/apache/spark/network/sasl/SparkSaslSuite.java | 6 +++---
.../src/test/java/test/org/apache/spark/JavaAPISuite.java | 8 ++++----
.../apache/spark/executor/ExecutorClassLoaderSuite.scala | 5 ++---
.../spark/deploy/yarn/YarnSparkHadoopUtilSuite.scala | 5 ++---
.../scala/org/apache/spark/sql/hive/InsertSuite.scala | 4 ++--
.../org/apache/spark/streaming/InputStreamsSuite.scala | 15 +++++++--------
6 files changed, 20 insertions(+), 23 deletions(-)
diff --git
a/common/network-common/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
b/common/network-common/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
index 48376e5bf2d4..715b4489edbd 100644
---
a/common/network-common/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
+++
b/common/network-common/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
@@ -23,6 +23,7 @@ import static org.mockito.Mockito.*;
import java.io.File;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
+import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
@@ -36,7 +37,6 @@ import java.util.concurrent.atomic.AtomicReference;
import javax.security.sasl.SaslException;
import com.google.common.collect.ImmutableMap;
-import com.google.common.io.Files;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
@@ -220,7 +220,7 @@ public class SparkSaslSuite {
byte[] data = new byte[8 * 1024];
new Random().nextBytes(data);
- Files.write(data, file);
+ Files.write(file.toPath(), data);
SaslEncryptionBackend backend = mock(SaslEncryptionBackend.class);
// It doesn't really matter what we return here, as long as it's not
null.
@@ -261,7 +261,7 @@ public class SparkSaslSuite {
byte[] data = new byte[8 * 1024];
new Random().nextBytes(data);
- Files.write(data, file);
+ Files.write(file.toPath(), data);
ctx = new SaslTestCtx(rpcHandler, true, false, testConf);
diff --git a/core/src/test/java/test/org/apache/spark/JavaAPISuite.java
b/core/src/test/java/test/org/apache/spark/JavaAPISuite.java
index 57eafc38d3a6..4b5aeeec2392 100644
--- a/core/src/test/java/test/org/apache/spark/JavaAPISuite.java
+++ b/core/src/test/java/test/org/apache/spark/JavaAPISuite.java
@@ -21,6 +21,7 @@ import java.io.*;
import java.nio.channels.FileChannel;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
@@ -49,7 +50,6 @@ import com.google.common.collect.Iterables;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
import com.google.common.base.Throwables;
-import com.google.common.io.Files;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
@@ -960,7 +960,7 @@ public class JavaAPISuite implements Serializable {
rdd.saveAsTextFile(outputDir);
// Read the plain text file and check it's OK
File outputFile = new File(outputDir, "part-00000");
- String content = java.nio.file.Files.readString(outputFile.toPath());
+ String content = Files.readString(outputFile.toPath());
assertEquals("1\n2\n3\n4\n", content);
// Also try reading it in as a text file RDD
List<String> expected = Arrays.asList("1", "2", "3", "4");
@@ -977,8 +977,8 @@ public class JavaAPISuite implements Serializable {
String path1 = new Path(tempDirName, "part-00000").toUri().getPath();
String path2 = new Path(tempDirName, "part-00001").toUri().getPath();
- Files.write(content1, new File(path1));
- Files.write(content2, new File(path2));
+ Files.write(new File(path1).toPath(), content1);
+ Files.write(new File(path2).toPath(), content2);
Map<String, String> container = new HashMap<>();
container.put(path1, new Text(content1).toString());
diff --git
a/core/src/test/scala/org/apache/spark/executor/ExecutorClassLoaderSuite.scala
b/core/src/test/scala/org/apache/spark/executor/ExecutorClassLoaderSuite.scala
index 22a3ab075cf8..fbb52971960c 100644
---
a/core/src/test/scala/org/apache/spark/executor/ExecutorClassLoaderSuite.scala
+++
b/core/src/test/scala/org/apache/spark/executor/ExecutorClassLoaderSuite.scala
@@ -22,14 +22,13 @@ import java.lang.reflect.InvocationTargetException
import java.net.{URI, URL, URLClassLoader}
import java.nio.channels.{FileChannel, ReadableByteChannel}
import java.nio.charset.StandardCharsets
-import java.nio.file.{Paths, StandardOpenOption}
+import java.nio.file.{Files, Paths, StandardOpenOption}
import java.util
import java.util.Collections
import javax.tools.{JavaFileObject, SimpleJavaFileObject, ToolProvider}
import scala.io.Source
-import com.google.common.io.Files
import org.mockito.ArgumentMatchers.{any, anyString}
import org.mockito.Mockito._
import org.mockito.invocation.InvocationOnMock
@@ -65,7 +64,7 @@ class ExecutorClassLoaderSuite
urls2 = List(tempDir2.toURI.toURL).toArray
childClassNames.foreach(TestUtils.createCompiledClass(_, tempDir1, "1"))
parentResourceNames.foreach { x =>
- Files.write("resource".getBytes(StandardCharsets.UTF_8), new
File(tempDir2, x))
+ Files.writeString(new File(tempDir2, x).toPath, "resource")
}
parentClassNames.foreach(TestUtils.createCompiledClass(_, tempDir2, "2"))
}
diff --git
a/resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtilSuite.scala
b/resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtilSuite.scala
index fe50d118a57e..a6b9caae8d36 100644
---
a/resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtilSuite.scala
+++
b/resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtilSuite.scala
@@ -18,9 +18,8 @@
package org.apache.spark.deploy.yarn
import java.io.{File, IOException}
-import java.nio.charset.StandardCharsets
+import java.nio.file.Files
-import com.google.common.io.Files
import org.apache.hadoop.yarn.api.records.ApplicationAccessType
import org.apache.hadoop.yarn.conf.YarnConfiguration
import org.scalatest.matchers.must.Matchers
@@ -54,7 +53,7 @@ class YarnSparkHadoopUtilSuite extends SparkFunSuite with
Matchers with ResetSys
val args = Array("arg1", "${arg.2}", "\"arg3\"", "'arg4'", "$arg5",
"\\arg6")
try {
val argLine = args.map(a =>
YarnSparkHadoopUtil.escapeForShell(a)).mkString(" ")
- Files.write(("bash -c \"echo " + argLine +
"\"").getBytes(StandardCharsets.UTF_8), scriptFile)
+ Files.writeString(scriptFile.toPath, "bash -c \"echo " + argLine + "\"")
scriptFile.setExecutable(true)
val proc = Runtime.getRuntime().exec(Array(scriptFile.getAbsolutePath()))
diff --git
a/sql/hive/src/test/scala/org/apache/spark/sql/hive/InsertSuite.scala
b/sql/hive/src/test/scala/org/apache/spark/sql/hive/InsertSuite.scala
index 7ac2f5feb97c..f9c001a1a077 100644
--- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/InsertSuite.scala
+++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/InsertSuite.scala
@@ -18,9 +18,9 @@
package org.apache.spark.sql.hive
import java.io.File
+import java.nio.file.Files
import java.util.Locale
-import com.google.common.io.Files
import org.apache.hadoop.fs.Path
import org.scalatest.BeforeAndAfter
@@ -824,7 +824,7 @@ class InsertSuite extends QueryTest with TestHiveSingleton
with BeforeAndAfter
withTempDir { dir =>
val file = new File(dir, "test.hex")
val hex = "AABBCC"
- Files.write(Hex.unhex(hex), file)
+ Files.write(file.toPath, Hex.unhex(hex))
val path = file.getParent
sql(s"create table t1 (c string) STORED AS TEXTFILE location '$path'")
checkAnswer(
diff --git
a/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
b/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
index 42d3e5eb4995..d9a084e482eb 100644
---
a/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
+++
b/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
@@ -20,14 +20,13 @@ package org.apache.spark.streaming
import java.io.{BufferedWriter, File, OutputStreamWriter}
import java.net.{ServerSocket, Socket, SocketException}
import java.nio.charset.StandardCharsets
-import java.nio.file.Files.writeString
+import java.nio.file.Files
import java.util.concurrent._
import java.util.concurrent.atomic.AtomicInteger
import scala.collection.mutable
import scala.jdk.CollectionConverters._
-import com.google.common.io.Files
import org.apache.hadoop.fs.{FileSystem, Path}
import org.apache.hadoop.io.{LongWritable, Text}
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat
@@ -132,7 +131,7 @@ class InputStreamsSuite extends TestSuiteBase with
BeforeAndAfter {
val batchDuration = Seconds(2)
// Create a file that exists before the StreamingContext is created:
val existingFile = new File(testDir, "0")
- writeString(existingFile.toPath, "0\n")
+ Files.writeString(existingFile.toPath, "0\n")
assert(existingFile.setLastModified(10000) && existingFile.lastModified
=== 10000)
// Set up the streaming context and input streams
@@ -156,7 +155,7 @@ class InputStreamsSuite extends TestSuiteBase with
BeforeAndAfter {
for (i <- 0 until numCopies) {
Thread.sleep(batchDuration.milliseconds)
val file = new File(testDir, i.toString)
- Files.write(input.map(b => (b + i).toByte), file)
+ Files.write(file.toPath, input.map(b => (b + i).toByte))
assert(file.setLastModified(clock.getTimeMillis()))
assert(file.lastModified === clock.getTimeMillis())
logInfo(s"Created file $file")
@@ -191,7 +190,7 @@ class InputStreamsSuite extends TestSuiteBase with
BeforeAndAfter {
// Create a file that exists before the StreamingContext is created:
val existingFile = new File(testDir, "0")
- writeString(existingFile.toPath, "0\n")
+ Files.writeString(existingFile.toPath, "0\n")
assert(existingFile.setLastModified(10000) && existingFile.lastModified
=== 10000)
val pathWithWildCard = testDir.toString + "/*/"
@@ -215,7 +214,7 @@ class InputStreamsSuite extends TestSuiteBase with
BeforeAndAfter {
def createFileAndAdvanceTime(data: Int, dir: File): Unit = {
val file = new File(testSubDir1, data.toString)
- writeString(file.toPath, s"$data\n")
+ Files.writeString(file.toPath, s"$data\n")
assert(file.setLastModified(clock.getTimeMillis()))
assert(file.lastModified === clock.getTimeMillis())
logInfo(s"Created file $file")
@@ -478,7 +477,7 @@ class InputStreamsSuite extends TestSuiteBase with
BeforeAndAfter {
val batchDuration = Seconds(2)
// Create a file that exists before the StreamingContext is created:
val existingFile = new File(testDir, "0")
- writeString(existingFile.toPath, "0\n")
+ Files.writeString(existingFile.toPath, "0\n")
assert(existingFile.setLastModified(10000) && existingFile.lastModified
=== 10000)
// Set up the streaming context and input streams
@@ -502,7 +501,7 @@ class InputStreamsSuite extends TestSuiteBase with
BeforeAndAfter {
val input = Seq(1, 2, 3, 4, 5)
input.foreach { i =>
val file = new File(testDir, i.toString)
- writeString(file.toPath, s"$i\n")
+ Files.writeString(file.toPath, s"$i\n")
assert(file.setLastModified(clock.getTimeMillis()))
assert(file.lastModified === clock.getTimeMillis())
logInfo("Created file " + file)
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