MingXiangLi commented on a change in pull request #4085:
URL: https://github.com/apache/hadoop/pull/4085#discussion_r833311855
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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];
Review comment:
Yes, this means random write to a block pool.like testRemoveTwoVolumes().
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