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HDFS-9360. Storage type usage isn't updated properly after file deletion. Contributed by Ming Ma. 

(cherry picked from commit ea5bb48326)
This commit is contained in:
Xiaoyu Yao 2015-11-05 01:30:13 -08:00
parent 81f7e8af22
commit 891be39993
3 changed files with 60 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1390,6 +1390,9 @@ Release 2.8.0 - UNRELEASED
HDFS-9357. NN UI renders icons of decommissioned DN incorrectly.
(Surendra Singh Lilhore via wheat9)
HDFS-9360. Storage type usage isn't updated properly after file deletion.
(Ming Ma via xyao)
Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
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@ -568,7 +568,9 @@ public final QuotaCounts computeQuotaUsage(BlockStoragePolicySuite bsps,
byte blockStoragePolicyId, boolean useCache, int lastSnapshotId) {
final QuotaCounts counts = new QuotaCounts.Builder().nameSpace(1).build();
final BlockStoragePolicy bsp = bsps.getPolicy(blockStoragePolicyId);
final BlockStoragePolicy bsp = (blockStoragePolicyId ==
BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) ? null :
bsps.getPolicy(blockStoragePolicyId);
FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
if (sf == null) {
counts.add(storagespaceConsumed(bsp));

55
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
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@ -38,6 +38,7 @@
import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.tools.DFSAdmin;
import org.apache.hadoop.hdfs.web.WebHdfsConstants;
@ -573,7 +574,6 @@ public void testSpaceCommands() throws Exception {
c = dfs.getContentSummary(quotaDir20);
assertEquals(c.getSpaceQuota(), 6 * fileSpace);
// Create /nqdir0/qdir1/qdir21 and set its space quota to 2 * fileSpace
final Path quotaDir21 = new Path("/nqdir0/qdir1/qdir21");
assertTrue(dfs.mkdirs(quotaDir21));
@ -785,6 +785,59 @@ public void testSpaceCommands() throws Exception {
}
}
/**
* Test quota by storage type.
*/
@Test
public void testQuotaByStorageType() throws Exception {
final Configuration conf = new HdfsConfiguration();
// set a smaller block size so that we can test with smaller
// diskspace quotas
conf.set(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, "512");
// Make it relinquish locks. When run serially, the result should
// be identical.
conf.setInt(DFSConfigKeys.DFS_CONTENT_SUMMARY_LIMIT_KEY, 2);
final MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
final FileSystem fs = cluster.getFileSystem();
assertTrue("Not a HDFS: " + fs.getUri(),
fs instanceof DistributedFileSystem);
final DistributedFileSystem dfs = (DistributedFileSystem) fs;
try {
int fileLen = 1024;
short replication = 3;
int fileSpace = fileLen * replication;
final Path quotaDir20 = new Path("/nqdir0/qdir1/qdir20");
assertTrue(dfs.mkdirs(quotaDir20));
dfs.setQuota(quotaDir20, HdfsConstants.QUOTA_DONT_SET, 6 * fileSpace);
// Verify DirectoryWithQuotaFeature's storage type usage
// is updated properly after deletion.
// File creation followed by deletion shouldn't change storage type
// usage regardless whether storage policy is set.
Path file = new Path(quotaDir20, "fileDir/file1");
DFSTestUtil.createFile(dfs, file, fileLen * 3, replication, 0);
dfs.delete(file, false);
dfs.setStoragePolicy(quotaDir20, HdfsConstants.HOT_STORAGE_POLICY_NAME);
dfs.setQuotaByStorageType(quotaDir20, StorageType.DEFAULT,
2 * fileSpace);
boolean hasException = false;
try {
DFSTestUtil.createFile(dfs, file, fileLen * 3, replication, 0);
} catch (QuotaByStorageTypeExceededException e) {
hasException = true;
}
assertTrue(hasException);
dfs.delete(file, false);
dfs.setQuotaByStorageType(quotaDir20, StorageType.DEFAULT,
6 * fileSpace);
} finally {
cluster.shutdown();
}
}
private static void checkContentSummary(final ContentSummary expected,
final ContentSummary computed) {
assertEquals(expected.toString(), computed.toString());