Zakelly commented on code in PR #26744:
URL: https://github.com/apache/flink/pull/26744#discussion_r2182249865
##########
docs/content.zh/docs/ops/metrics.md:
##########
@@ -1181,6 +1181,11 @@ Note that for failed checkpoints, metrics are updated on
a best efforts basis an
<td>The full size of the last checkpoint (in bytes).</td>
<td>Gauge</td>
</tr>
+ <tr>
+ <td>lastCheckpointMetadataSize</td>
+ <td>上次检查点 _metadata 文件的大小（字节）.</td>
Review Comment:
Well, we can keep English here since this page has not been translated to
Chinese yet.
##########
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/AbstractCheckpointStats.java:
##########
@@ -93,6 +93,13 @@ public abstract class AbstractCheckpointStats implements
Serializable {
*/
public abstract long getCheckpointedSize();
+ /**
+ * @return The metadata file size, 0 if unknown.
+ */
+ public long getMetadataSize() {
Review Comment:
better keep this method abstract
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