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HDFS-7133. Support clearing namespace quota on '/'. Contributed by Ayush Saxena."

This commit is contained in:
Vinayakumar B 2019-02-26 00:36:00 +05:30
parent 3e1739d589
commit f4ae00c530
2 changed files with 40 additions and 30 deletions
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49
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
View File

@ -332,38 +332,35 @@ public class FSDirAttrOp {
INodeDirectory dirNode =
INodeDirectory.valueOf(iip.getLastINode(), iip.getPath());
final QuotaCounts oldQuota = dirNode.getQuotaCounts();
final long oldNsQuota = oldQuota.getNameSpace();
final long oldSsQuota = oldQuota.getStorageSpace();
if (dirNode.isRoot() && nsQuota == HdfsConstants.QUOTA_RESET) {
throw new IllegalArgumentException("Cannot clear namespace quota on root.");
} else { // a directory inode
final QuotaCounts oldQuota = dirNode.getQuotaCounts();
final long oldNsQuota = oldQuota.getNameSpace();
final long oldSsQuota = oldQuota.getStorageSpace();
nsQuota = HdfsConstants.QUOTA_DONT_SET;
} else if (nsQuota == HdfsConstants.QUOTA_DONT_SET) {
nsQuota = oldNsQuota;
} // a directory inode
if (ssQuota == HdfsConstants.QUOTA_DONT_SET) {
ssQuota = oldSsQuota;
}
if (nsQuota == HdfsConstants.QUOTA_DONT_SET) {
nsQuota = oldNsQuota;
}
if (ssQuota == HdfsConstants.QUOTA_DONT_SET) {
ssQuota = oldSsQuota;
}
// unchanged space/namespace quota
if (type == null && oldNsQuota == nsQuota && oldSsQuota == ssQuota) {
return null;
}
// unchanged space/namespace quota
if (type == null && oldNsQuota == nsQuota && oldSsQuota == ssQuota) {
// unchanged type quota
if (type != null) {
EnumCounters<StorageType> oldTypeQuotas = oldQuota.getTypeSpaces();
if (oldTypeQuotas != null && oldTypeQuotas.get(type) == ssQuota) {
return null;
}
// unchanged type quota
if (type != null) {
EnumCounters<StorageType> oldTypeQuotas = oldQuota.getTypeSpaces();
if (oldTypeQuotas != null && oldTypeQuotas.get(type) == ssQuota) {
return null;
}
}
final int latest = iip.getLatestSnapshotId();
dirNode.recordModification(latest);
dirNode.setQuota(fsd.getBlockStoragePolicySuite(), nsQuota, ssQuota, type);
return dirNode;
}
final int latest = iip.getLatestSnapshotId();
dirNode.recordModification(latest);
dirNode.setQuota(fsd.getBlockStoragePolicySuite(), nsQuota, ssQuota, type);
return dirNode;
}
static BlockInfo[] unprotectedSetReplication(

21
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
View File

@ -413,13 +413,13 @@ public class TestQuota {
}
});
// 19: clrQuota on the root directory ("/") should fail
runCommand(admin, true, "-clrQuota", "/");
// 19: clrQuota on the root directory ("/") should pass.
runCommand(admin, false, "-clrQuota", "/");
// 20: setQuota on the root directory ("/") should succeed
runCommand(admin, false, "-setQuota", "1000000", "/");
runCommand(admin, true, "-clrQuota", "/");
runCommand(admin, false, "-clrQuota", "/");
runCommand(admin, false, "-clrSpaceQuota", "/");
runCommand(admin, new String[]{"-clrQuota", parent.toString()}, false);
runCommand(admin, false, "-clrSpaceQuota", parent.toString());
@ -456,7 +456,7 @@ public class TestQuota {
final Path childFile4 = new Path(dir, "datafile2");
final Path childFile5 = new Path(dir, "datafile3");
runCommand(admin, true, "-clrQuota", "/");
runCommand(admin, false, "-clrQuota", "/");
runCommand(admin, false, "-clrSpaceQuota", "/");
// set space quota to a real low value
runCommand(admin, false, "-setSpaceQuota", Long.toString(spaceQuota2), "/");
@ -1565,6 +1565,19 @@ public class TestQuota {
assertEquals(0, cluster.getNamesystem().getNumFilesUnderConstruction());
}
@Test
public void testClrQuotaOnRoot() throws Exception {
long orignalQuota = dfs.getQuotaUsage(new Path("/")).getQuota();
DFSAdmin admin = new DFSAdmin(conf);
String[] args;
args = new String[] {"-setQuota", "3K", "/"};
runCommand(admin, args, false);
assertEquals(3 * 1024, dfs.getQuotaUsage(new Path("/")).getQuota());
args = new String[] {"-clrQuota", "/"};
runCommand(admin, args, false);
assertEquals(orignalQuota, dfs.getQuotaUsage(new Path("/")).getQuota());
}
@Test
public void testSpaceQuotaExceptionOnAppend() throws Exception {
GenericTestUtils.setLogLevel(DFSOutputStream.LOG, Level.TRACE);