[GitHub] [ozone] ArafatKhan2198 commented on a diff in pull request #4182: HDDS-5463. [FSO] Recon Container API does not work correctly with FSO.

["ArafatKhan2198 (via GitHub)" <gi...@apache.org>]

ArafatKhan2198 commented on code in PR #4182:
URL: https://github.com/apache/ozone/pull/4182#discussion_r1118119522


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hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/ContainerEndpoint.java:
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@@ -157,11 +157,17 @@ public Response getKeysForContainer(
       for (ContainerKeyPrefix containerKeyPrefix : containerKeyPrefixMap
           .keySet()) {
 
-        // Directly calling get() on the Key table instead of iterating since
-        // only full keys are supported now. When we change to using a prefix
-        // of the key, this needs to change to prefix seek.
-        OmKeyInfo omKeyInfo = omMetadataManager.getKeyTable(getBucketLayout())
-            .getSkipCache(containerKeyPrefix.getKeyPrefix());
+      // Directly calling getSkipCache() on the Key/FileTable table accordingly
+      // instead of iterating since only full keys are supported now. We will
+      // try to get the OmKeyInfo object by searching the KEY_TABLE table with
+      // the key prefix. If it's not found, we will then search the FILE_TABLE
+        OmKeyInfo omKeyInfo = omMetadataManager.getKeyTable(BucketLayout.LEGACY)
+            .getSkipCache(containerKeyPrefix.getKeyPrefix()) == null ?
+            omMetadataManager.getKeyTable(BucketLayout.FILE_SYSTEM_OPTIMIZED)
+                .getSkipCache(containerKeyPrefix.getKeyPrefix()) :
+            omMetadataManager.getKeyTable(BucketLayout.LEGACY)
+                .getSkipCache(containerKeyPrefix.getKeyPrefix());

Review Comment:
   Thanks for the suggestion @dombizita I have made the changes, do take a look !!



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