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ASF GitHub Bot logged work on HDFS-16511: ----------------------------------------- Author: ASF GitHub Bot Created on: 22/Mar/22 14:21 Start Date: 22/Mar/22 14:21 Worklog Time Spent: 10m Work Description: Hexiaoqiao commented on a change in pull request #4085: URL: https://github.com/apache/hadoop/pull/4085#discussion_r832238320 ########## File path: hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java ########## @@ -602,6 +605,54 @@ public void run() {} + "volumeMap.", 0, totalNumReplicas); } + @Test(timeout = 30000) + public void testCurrentWriteAndDeleteBlock() throws Exception { Review comment: testCurrentXXX -> testConcurrentXXX ? ########## File path: hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java ########## @@ -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: The `numBlocks` and `BLOCK_POOL_IDS.length` are both static, so bpid is one certain value. Do you mean to random it? ########## File path: hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java ########## @@ -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: Suggest to verify different blockpool's blocks num separately here. Sum them will loss some key information such as above comment. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 745848) Time Spent: 20m (was: 10m) > Change some frequent method lock type in ReplicaMap. > ---------------------------------------------------- > > Key: HDFS-16511 > URL: https://issues.apache.org/jira/browse/HDFS-16511 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: hdfs > Reporter: Mingxiang Li > Assignee: Mingxiang Li > Priority: Major > Labels: pull-request-available > Time Spent: 20m > Remaining Estimate: 0h > > In HDFS-16429 we make LightWeightResizableGSet to be thread safe, and In > HDFS-15382 we have split lock to block pool grain locks.After these > improvement, we can change some method to acquire read lock replace to > acquire write lock. -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org