[GitHub] [hbase] JeongDaeKim commented on a change in pull request #749: HBASE-23205 Correctly update the position of WALs currently being replicated

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

JeongDaeKim commented on a change in pull request #749: HBASE-23205 Correctly update the position of WALs currently being replicated
URL: https://github.com/apache/hbase/pull/749#discussion_r356548457
 
 

 ##########
 File path: hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestWALEntryStream.java
 ##########
 @@ -436,6 +439,56 @@ public void testWALKeySerialization() throws Exception {
     }
   }
 
+  @Test
+  public void testReplicationSourceWALReaderThreadWithFilter() throws Exception {
+    final byte[] notReplicatedCf = Bytes.toBytes("notReplicated");
+    final Map<TableName, List<String>> tableCfs = new HashMap<>();
+    tableCfs.put(tableName, Collections.singletonList(Bytes.toString(family)));
+    ReplicationPeer peer = mock(ReplicationPeer.class);
+    when(peer.getTableCFs()).thenReturn(tableCfs);
+    WALEntryFilter filter = new ChainWALEntryFilter(new TableCfWALEntryFilter(peer));
+
+    appendToLogPlus(3, notReplicatedCf);
+
+    Path firstWAL = walQueue.peek();
+    ReplicationSourceManager mockSourceManager = mock(ReplicationSourceManager.class);
+    when(mockSourceManager.getTotalBufferUsed()).thenReturn(new AtomicLong(0));
+    final ReplicationSourceWALReaderThread reader =
+            new ReplicationSourceWALReaderThread(mockSourceManager, getQueueInfo(), walQueue,
+                    0, fs, conf, filter, new MetricsSource("1"));
+    reader.start();
+
+    // reader won't put any batch, even if EOF reached.
+    ExecutorService executor = Executors.newSingleThreadExecutor();
+    Future<WALEntryBatch> future = executor.submit(new Callable<WALEntryBatch>() {
+      @Override
+      public WALEntryBatch call() throws Exception {
+        return reader.take();
+      }
+    });
+    Thread.sleep(2000);
+    assertFalse(future.isDone());
 
 Review comment:
   👍 

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