[
https://issues.apache.org/jira/browse/HDFS-16511?focusedWorklogId=748324&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-748324
]
ASF GitHub Bot logged work on HDFS-16511:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Mar/22 13:05
Start Date: 27/Mar/22 13:05
Worklog Time Spent: 10m
Work Description: Hexiaoqiao commented on a change in pull request #4085:
URL: https://github.com/apache/hadoop/pull/4085#discussion_r835904896
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java
##########
@@ -602,6 +606,54 @@ public void run() {}
+ "volumeMap.", 0, totalNumReplicas);
}
+ @Test(timeout = 30000)
+ public void testConcurrentWriteAndDeleteBlock() 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<>();
+ Random random = new Random();
+ // Random write block and delete half of them.
+ for (int i = 0; i < threadCount; i++) {
+ Thread thread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ String bpid =
BLOCK_POOL_IDS[random.nextInt(BLOCK_POOL_IDS.length)];
+ for (int blockId = 0; blockId < numBlocks; blockId++) {
+ ExtendedBlock eb = new ExtendedBlock(bpid, blockId);
+ ReplicaHandler replica = null;
+ try {
+ replica = dataset.createRbw(StorageType.DEFAULT, null, eb,
+ false);
+ if (blockId % 2 > 0) {
+ dataset.invalidate(bpid, new Block[]{eb.getLocalBlock()});
+ }
+ } finally {
+ if (replica != null) {
+ replica.close();
+ }
+ }
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
Review comment:
If this is not expected, It is good choice to fail this unit test rather
than only log IMO, just like following demo.
`fail("Exception while testing testConcurrentWriteAndDeleteBlock.");`
Other part looks good to me.
--
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: 748324)
Time Spent: 2h (was: 1h 50m)
> 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: 2h
> 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
