chihsuan commented on code in PR #11670:
URL: https://github.com/apache/ozone/pull/11670#discussion_r4347196977


##########
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/TestBlockDeletingService.java:
##########
@@ -1304,17 +1305,19 @@ private void 
setLayoutAndSchemaForTest(ContainerTestVersionInfo versionInfo) {
   }
 
   private void assertDeletionsInChecksumFile(ContainerData data, int 
expectedNumBlocks) {
-    ContainerProtos.ContainerChecksumInfo checksumInfo = null;
+    // deleteAndWait only waits for the deleting tasks to be submitted, so the 
checksum file may not be written yet.
     try {
-      checksumInfo = readChecksumFile(data);
-    } catch (IOException ex) {
-      fail("Failed to read container checksum tree file: " + ex.getMessage());
+      GenericTestUtils.waitFor((CheckedSupplier<Boolean, IOException>) () ->
+          getNumDeletedBlocksInChecksumFile(data) >= expectedNumBlocks, 100, 
3000);

Review Comment:
   Could we use `LambdaTestUtils.await` here? If this times out, the error no 
longer says why the file read failed. The old code showed it, and `await` would 
keep it.



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