fapifta commented on a change in pull request #2767:
URL: https://github.com/apache/ozone/pull/2767#discussion_r742966478
##########
File path:
hadoop-ozone/client/src/test/java/org/apache/hadoop/ozone/client/TestOzoneECClient.java
##########
@@ -420,6 +420,80 @@ public void testPartialStripeWithPartialLastChunk()
}
}
+ @Test
+ public void testWriteShouldFailIfMoreThanParityNodesFail()
+ throws IOException {
+ testNodeFailuresWhileWriting(3, 3);
+ }
+
+ @Test
+ public void testWriteShouldSuccessIfLessThanParityNodesFail()
+ throws IOException {
+ testNodeFailuresWhileWriting(1, 2);
+ }
+
+ @Test
+ public void testWriteShouldSuccessIf4NodesFailed()
+ throws IOException {
+ testNodeFailuresWhileWriting(4, 1);
+ }
+
+ @Test
+ public void testWriteShouldSuccessIfAllNodesFailed()
+ throws IOException {
+ testNodeFailuresWhileWriting(4, 1);
+ }
+
+ public void testNodeFailuresWhileWriting(int numFailureToInject,
+ int numChunksToWriteAfterFailure) throws IOException {
+ store.createVolume(volumeName);
+ OzoneVolume volume = store.getVolume(volumeName);
+ volume.createBucket(bucketName);
+ OzoneBucket bucket = volume.getBucket(bucketName);
+
+ try (OzoneOutputStream out = bucket.createKey(keyName, 1024 * 3,
+ new ECReplicationConfig(3, 2, ECReplicationConfig.EcCodec.RS,
+ chunkSize), new HashMap<>())) {
+ for (int i = 0; i < dataBlocks; i++) {
+ out.write(inputChunks[i]);
+ }
+
+ List<DatanodeDetails> failedDNs = new ArrayList<>();
+ Map<DatanodeDetails, MockDatanodeStorage> storages =
+ ((MockXceiverClientFactory) factoryStub).getStorages();
+ DatanodeDetails[] dnDetails =
+ storages.keySet().toArray(new DatanodeDetails[storages.size()]);
+ for (int i = 0; i < numFailureToInject; i++) {
+ failedDNs.add(dnDetails[i]);
+ }
+
+ // First let's set storage as bad
+ ((MockXceiverClientFactory) factoryStub).setFailedStorages(failedDNs);
+
+ for (int i = 0; i < numChunksToWriteAfterFailure; i++) {
+ out.write(inputChunks[i]);
+ }
+ }
+ final OzoneKeyDetails key = bucket.getKey(keyName);
+ Assert.assertEquals(2, key.getOzoneKeyLocations().size());
Review comment:
Sounds good, understood.
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