MingXiangLi commented on a change in pull request #4085:
URL: https://github.com/apache/hadoop/pull/4085#discussion_r833312880
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java
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@@ -602,6 +605,54 @@ public void run() {}
+ "volumeMap.", 0, totalNumReplicas);
}
+ @Test(timeout = 30000)
+ public void testCurrentWriteAndDeleteBlock() throws Exception {
+ // Feed FsDataset with block metadata.
+ final int numBlocks = 1000;
+ final int threadCount = 10;
+ // Generate data blocks.
+ ExecutorService pool = Executors.newFixedThreadPool(threadCount);
+ List<Future<?>> futureList = new ArrayList<>();
+ for (int i = 0; i < threadCount; i++) {
+ Thread thread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ for (int i = 0; i < numBlocks; i++) {
+ String bpid = BLOCK_POOL_IDS[numBlocks % BLOCK_POOL_IDS.length];
+ ExtendedBlock eb = new ExtendedBlock(bpid, i);
+ ReplicaHandler replica = null;
+ try {
+ replica = dataset.createRbw(StorageType.DEFAULT, null, eb,
+ false);
+ if (i % 2 > 0) {
+ dataset.invalidate(bpid, new Block[]{eb.getLocalBlock()});
+ }
+ } finally {
+ if (replica != null) {
+ replica.close();
+ }
+ }
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ };
+ thread.setName("AddBlock" + i);
+ futureList.add(pool.submit(thread));
+ }
+ // Wait for data generation
+ for (Future<?> f : futureList) {
+ f.get();
+ }
+ int totalNumReplicas = 0;
Review comment:
like testRemoveTwoVolumes(),we random write to block pool, so we final
count the total block of all block pool.
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