[GitHub] [hbase] bsglz commented on a change in pull request #1913: HBASE-24577 Doc WALSplitter classes

[GitBox <gi...@apache.org>]

bsglz commented on a change in pull request #1913:
URL: https://github.com/apache/hbase/pull/1913#discussion_r441929197



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/wal/BoundedRecoveredHFilesOutputSink.java
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@@ -99,12 +102,13 @@ public void append(RegionEntryBuffer buffer) throws IOException {
       }
     }
 
-    // The key point is create a new writer for each column family, write edits then close writer.
+    // Create a new hfile writer for each column family, write edits then close writer.
     String regionName = Bytes.toString(buffer.encodedRegionName);
     for (Map.Entry<String, CellSet> cellsEntry : familyCells.entrySet()) {
       String familyName = cellsEntry.getKey();
       StoreFileWriter writer = createRecoveredHFileWriter(buffer.tableName, regionName,
         familySeqIds.get(familyName), familyName, isMetaTable);
+      LOG.trace("Created {}", writer.getPath());

Review comment:
       IIRC, this extra check could be used only if the parameter self will cause a heavy call.




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