diff --git a/core/src/main/scala/org/apache/spark/internal/config/package.scala b/core/src/main/scala/org/apache/spark/internal/config/package.scala
index 7cb3d068b676..000de4d6c26d 100644
--- a/core/src/main/scala/org/apache/spark/internal/config/package.scala
+++ b/core/src/main/scala/org/apache/spark/internal/config/package.scala
@@ -317,8 +317,8 @@ package object config {
         " to be rolled over.")
       .version("3.0.0")
       .bytesConf(ByteUnit.BYTE)
-      .checkValue(_ >= ByteUnit.MiB.toBytes(10), "Max file size of event log should be " +
-        "configured to be at least 10 MiB.")
+      .checkValue(_ >= ByteUnit.MiB.toBytes(2), "Max file size of event log should be " +
+        "configured to be at least 2 MiB.")
       .createWithDefaultString("128m")
 
   private[spark] val EXECUTOR_ID =
diff --git a/core/src/test/scala/org/apache/spark/deploy/history/EventLogFileWritersSuite.scala b/core/src/test/scala/org/apache/spark/deploy/history/EventLogFileWritersSuite.scala
index 7c05613d8b16..da3614bf81a5 100644
--- a/core/src/test/scala/org/apache/spark/deploy/history/EventLogFileWritersSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/history/EventLogFileWritersSuite.scala
@@ -326,7 +326,7 @@ class RollingEventLogFilesWriterSuite extends EventLogFileWritersSuite {
 
     val conf = getLoggingConf(testDirPath, None)
     conf.set(EVENT_LOG_ENABLE_ROLLING, true)
-    conf.set(EVENT_LOG_ROLLING_MAX_FILE_SIZE.key, "9m")
+    conf.set(EVENT_LOG_ROLLING_MAX_FILE_SIZE.key, "1m")
 
     val e = intercept[IllegalArgumentException] {
       createWriter(appId, attemptId, testDirPath.toUri, conf,