diff --git a/iceberg/src/main/scala/org/apache/spark/sql/delta/icebergShaded/IcebergConversionTransaction.scala b/iceberg/src/main/scala/org/apache/spark/sql/delta/icebergShaded/IcebergConversionTransaction.scala
index bd69ab3c3f1..81d8513243f 100644
--- a/iceberg/src/main/scala/org/apache/spark/sql/delta/icebergShaded/IcebergConversionTransaction.scala
+++ b/iceberg/src/main/scala/org/apache/spark/sql/delta/icebergShaded/IcebergConversionTransaction.scala
@@ -72,6 +72,7 @@ class IcebergConversionTransaction(
 
   protected abstract class TransactionHelper(impl: PendingUpdate[_]) {
     private var committed = false
+    var writeSize = 0L
 
     def opType: String
 
@@ -94,6 +95,7 @@ class IcebergConversionTransaction(
     override def opType: String = "append"
 
     def add(add: AddFile): Unit = {
+      writeSize += add.size
       appender.appendFile(
         convertDeltaAddFileToIcebergDataFile(
           add,
@@ -134,6 +136,7 @@ class IcebergConversionTransaction(
     override def opType: String = "overwrite"
 
     def add(add: AddFile): Unit = {
+      writeSize += add.size
       overwriter.addFile(
         convertDeltaAddFileToIcebergDataFile(
           add,
@@ -169,6 +172,7 @@ class IcebergConversionTransaction(
     override def opType: String = "rewrite"
 
     def rewrite(removes: Seq[RemoveFile], adds: Seq[AddFile]): Unit = {
+      writeSize += adds.map(_.size).sum
       val dataFilesToDelete = removes.map { f =>
         assert(!f.dataChange, "Rewrite operation should not add data")
         convertDeltaRemoveFileToIcebergDataFile(
@@ -487,7 +491,9 @@ class IcebergConversionTransaction(
         "version" -> postCommitSnapshot.version,
         "timestamp" -> postCommitSnapshot.timestamp,
         "tableOp" -> tableOp.getClass.getSimpleName.stripSuffix("$"),
-        "prevConvertedDeltaVersion" -> lastConvertedDeltaVersion
+        "prevConvertedDeltaVersion" -> lastConvertedDeltaVersion,
+        "tableSize" -> postCommitSnapshot.sizeInBytes,
+        "commitWriteSize" -> fileUpdates.map(_.writeSize).sum
       ) ++ icebergTxnTypes ++ errorData
     )
   }