| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hdfs; |
| |
| import java.io.OutputStream; |
| import java.security.PrivilegedExceptionAction; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.ContentSummary; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.protocol.FSConstants; |
| import org.apache.hadoop.hdfs.protocol.QuotaExceededException; |
| import org.apache.hadoop.hdfs.tools.DFSAdmin; |
| import org.apache.hadoop.io.IOUtils; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException; |
| import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException; |
| |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| |
| /** A class for testing quota-related commands */ |
| public class TestQuota { |
| |
| private void runCommand(DFSAdmin admin, boolean expectError, String... args) |
| throws Exception { |
| runCommand(admin, args, expectError); |
| } |
| |
| private void runCommand(DFSAdmin admin, String args[], boolean expectEror) |
| throws Exception { |
| int val = admin.run(args); |
| if (expectEror) { |
| assertEquals(val, -1); |
| } else { |
| assertTrue(val>=0); |
| } |
| } |
| |
| /** Test quota related commands: |
| * setQuota, clrQuota, setSpaceQuota, clrSpaceQuota, and count |
| */ |
| @Test |
| public void testQuotaCommands() throws Exception { |
| final Configuration conf = new HdfsConfiguration(); |
| // set a smaller block size so that we can test with smaller |
| // Space quotas |
| final int DEFAULT_BLOCK_SIZE = 512; |
| conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, DEFAULT_BLOCK_SIZE); |
| conf.setBoolean("dfs.support.append", true); |
| 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; |
| DFSAdmin admin = new DFSAdmin(conf); |
| |
| try { |
| final int fileLen = 1024; |
| final short replication = 5; |
| final long spaceQuota = fileLen * replication * 15 / 8; |
| |
| // 1: create a directory /test and set its quota to be 3 |
| final Path parent = new Path("/test"); |
| assertTrue(dfs.mkdirs(parent)); |
| String[] args = new String[]{"-setQuota", "3", parent.toString()}; |
| runCommand(admin, args, false); |
| |
| //try setting space quota with a 'binary prefix' |
| runCommand(admin, false, "-setSpaceQuota", "2t", parent.toString()); |
| assertEquals(2L<<40, dfs.getContentSummary(parent).getSpaceQuota()); |
| |
| // set diskspace quota to 10000 |
| runCommand(admin, false, "-setSpaceQuota", |
| Long.toString(spaceQuota), parent.toString()); |
| |
| // 2: create directory /test/data0 |
| final Path childDir0 = new Path(parent, "data0"); |
| assertTrue(dfs.mkdirs(childDir0)); |
| |
| // 3: create a file /test/datafile0 |
| final Path childFile0 = new Path(parent, "datafile0"); |
| DFSTestUtil.createFile(fs, childFile0, fileLen, replication, 0); |
| |
| // 4: count -q /test |
| ContentSummary c = dfs.getContentSummary(parent); |
| assertEquals(c.getFileCount()+c.getDirectoryCount(), 3); |
| assertEquals(c.getQuota(), 3); |
| assertEquals(c.getSpaceConsumed(), fileLen*replication); |
| assertEquals(c.getSpaceQuota(), spaceQuota); |
| |
| // 5: count -q /test/data0 |
| c = dfs.getContentSummary(childDir0); |
| assertEquals(c.getFileCount()+c.getDirectoryCount(), 1); |
| assertEquals(c.getQuota(), -1); |
| // check disk space consumed |
| c = dfs.getContentSummary(parent); |
| assertEquals(c.getSpaceConsumed(), fileLen*replication); |
| |
| // 6: create a directory /test/data1 |
| final Path childDir1 = new Path(parent, "data1"); |
| boolean hasException = false; |
| try { |
| assertFalse(dfs.mkdirs(childDir1)); |
| } catch (QuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| OutputStream fout; |
| |
| // 7: create a file /test/datafile1 |
| final Path childFile1 = new Path(parent, "datafile1"); |
| hasException = false; |
| try { |
| fout = dfs.create(childFile1); |
| } catch (QuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| // 8: clear quota /test |
| runCommand(admin, new String[]{"-clrQuota", parent.toString()}, false); |
| c = dfs.getContentSummary(parent); |
| assertEquals(c.getQuota(), -1); |
| assertEquals(c.getSpaceQuota(), spaceQuota); |
| |
| // 9: clear quota /test/data0 |
| runCommand(admin, new String[]{"-clrQuota", childDir0.toString()}, false); |
| c = dfs.getContentSummary(childDir0); |
| assertEquals(c.getQuota(), -1); |
| |
| // 10: create a file /test/datafile1 |
| fout = dfs.create(childFile1, replication); |
| |
| // 10.s: but writing fileLen bytes should result in an quota exception |
| hasException = false; |
| try { |
| fout.write(new byte[fileLen]); |
| fout.close(); |
| } catch (QuotaExceededException e) { |
| hasException = true; |
| IOUtils.closeStream(fout); |
| } |
| assertTrue(hasException); |
| |
| //delete the file |
| dfs.delete(childFile1, false); |
| |
| // 9.s: clear diskspace quota |
| runCommand(admin, false, "-clrSpaceQuota", parent.toString()); |
| c = dfs.getContentSummary(parent); |
| assertEquals(c.getQuota(), -1); |
| assertEquals(c.getSpaceQuota(), -1); |
| |
| // now creating childFile1 should succeed |
| DFSTestUtil.createFile(dfs, childFile1, fileLen, replication, 0); |
| |
| // 11: set the quota of /test to be 1 |
| // HADOOP-5872 - we can set quota even if it is immediately violated |
| args = new String[]{"-setQuota", "1", parent.toString()}; |
| runCommand(admin, args, false); |
| runCommand(admin, false, "-setSpaceQuota", // for space quota |
| Integer.toString(fileLen), args[2]); |
| |
| // 12: set the quota of /test/data0 to be 1 |
| args = new String[]{"-setQuota", "1", childDir0.toString()}; |
| runCommand(admin, args, false); |
| |
| // 13: not able create a directory under data0 |
| hasException = false; |
| try { |
| assertFalse(dfs.mkdirs(new Path(childDir0, "in"))); |
| } catch (QuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| c = dfs.getContentSummary(childDir0); |
| assertEquals(c.getDirectoryCount()+c.getFileCount(), 1); |
| assertEquals(c.getQuota(), 1); |
| |
| // 14a: set quota on a non-existent directory |
| Path nonExistentPath = new Path("/test1"); |
| assertFalse(dfs.exists(nonExistentPath)); |
| args = new String[]{"-setQuota", "1", nonExistentPath.toString()}; |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-setSpaceQuota", "1g", // for space quota |
| nonExistentPath.toString()); |
| |
| // 14b: set quota on a file |
| assertTrue(dfs.isFile(childFile0)); |
| args[1] = childFile0.toString(); |
| runCommand(admin, args, true); |
| // same for space quota |
| runCommand(admin, true, "-setSpaceQuota", "1t", args[1]); |
| |
| // 15a: clear quota on a file |
| args[0] = "-clrQuota"; |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-clrSpaceQuota", args[1]); |
| |
| // 15b: clear quota on a non-existent directory |
| args[1] = nonExistentPath.toString(); |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-clrSpaceQuota", args[1]); |
| |
| // 16a: set the quota of /test to be 0 |
| args = new String[]{"-setQuota", "0", parent.toString()}; |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-setSpaceQuota", "0", args[2]); |
| |
| // 16b: set the quota of /test to be -1 |
| args[1] = "-1"; |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-setSpaceQuota", args[1], args[2]); |
| |
| // 16c: set the quota of /test to be Long.MAX_VALUE+1 |
| args[1] = String.valueOf(Long.MAX_VALUE+1L); |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-setSpaceQuota", args[1], args[2]); |
| |
| // 16d: set the quota of /test to be a non integer |
| args[1] = "33aa1.5"; |
| runCommand(admin, args, true); |
| runCommand(admin, true, "-setSpaceQuota", args[1], args[2]); |
| |
| // 16e: set space quota with a value larger than Long.MAX_VALUE |
| runCommand(admin, true, "-setSpaceQuota", |
| (Long.MAX_VALUE/1024/1024 + 1024) + "m", args[2]); |
| |
| // 17: setQuota by a non-administrator |
| final String username = "userxx"; |
| UserGroupInformation ugi = |
| UserGroupInformation.createUserForTesting(username, |
| new String[]{"groupyy"}); |
| |
| final String[] args2 = args.clone(); // need final ref for doAs block |
| ugi.doAs(new PrivilegedExceptionAction<Object>() { |
| @Override |
| public Object run() throws Exception { |
| assertEquals("Not running as new user", username, |
| UserGroupInformation.getCurrentUser().getShortUserName()); |
| DFSAdmin userAdmin = new DFSAdmin(conf); |
| |
| args2[1] = "100"; |
| runCommand(userAdmin, args2, true); |
| runCommand(userAdmin, true, "-setSpaceQuota", "1g", args2[2]); |
| |
| // 18: clrQuota by a non-administrator |
| String[] args3 = new String[] {"-clrQuota", parent.toString()}; |
| runCommand(userAdmin, args3, true); |
| runCommand(userAdmin, true, "-clrSpaceQuota", args3[1]); |
| |
| return null; |
| } |
| }); |
| |
| // 19: clrQuota on the root directory ("/") should fail |
| runCommand(admin, true, "-clrQuota", "/"); |
| |
| // 20: setQuota on the root directory ("/") should succeed |
| runCommand(admin, false, "-setQuota", "1000000", "/"); |
| |
| runCommand(admin, true, "-clrQuota", "/"); |
| runCommand(admin, false, "-clrSpaceQuota", "/"); |
| runCommand(admin, new String[]{"-clrQuota", parent.toString()}, false); |
| runCommand(admin, false, "-clrSpaceQuota", parent.toString()); |
| |
| |
| // 2: create directory /test/data2 |
| final Path childDir2 = new Path(parent, "data2"); |
| assertTrue(dfs.mkdirs(childDir2)); |
| |
| |
| final Path childFile2 = new Path(childDir2, "datafile2"); |
| final Path childFile3 = new Path(childDir2, "datafile3"); |
| final long spaceQuota2 = DEFAULT_BLOCK_SIZE * replication; |
| final long fileLen2 = DEFAULT_BLOCK_SIZE; |
| // set space quota to a real low value |
| runCommand(admin, false, "-setSpaceQuota", Long.toString(spaceQuota2), childDir2.toString()); |
| // clear space quota |
| runCommand(admin, false, "-clrSpaceQuota", childDir2.toString()); |
| // create a file that is greater than the size of space quota |
| DFSTestUtil.createFile(fs, childFile2, fileLen2, replication, 0); |
| |
| // now set space quota again. This should succeed |
| runCommand(admin, false, "-setSpaceQuota", Long.toString(spaceQuota2), childDir2.toString()); |
| |
| hasException = false; |
| try { |
| DFSTestUtil.createFile(fs, childFile3, fileLen2, replication, 0); |
| } catch (DSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| // now test the same for root |
| final Path childFile4 = new Path("/", "datafile2"); |
| final Path childFile5 = new Path("/", "datafile3"); |
| |
| runCommand(admin, true, "-clrQuota", "/"); |
| runCommand(admin, false, "-clrSpaceQuota", "/"); |
| // set space quota to a real low value |
| runCommand(admin, false, "-setSpaceQuota", Long.toString(spaceQuota2), "/"); |
| runCommand(admin, false, "-clrSpaceQuota", "/"); |
| DFSTestUtil.createFile(fs, childFile4, fileLen2, replication, 0); |
| runCommand(admin, false, "-setSpaceQuota", Long.toString(spaceQuota2), "/"); |
| |
| hasException = false; |
| try { |
| DFSTestUtil.createFile(fs, childFile5, fileLen2, replication, 0); |
| } catch (DSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** Test commands that change the size of the name space: |
| * mkdirs, rename, and delete */ |
| @Test |
| public void testNamespaceCommands() throws Exception { |
| final Configuration conf = new HdfsConfiguration(); |
| 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 { |
| // 1: create directory /nqdir0/qdir1/qdir20/nqdir30 |
| assertTrue(dfs.mkdirs(new Path("/nqdir0/qdir1/qdir20/nqdir30"))); |
| |
| // 2: set the quota of /nqdir0/qdir1 to be 6 |
| final Path quotaDir1 = new Path("/nqdir0/qdir1"); |
| dfs.setQuota(quotaDir1, 6, FSConstants.QUOTA_DONT_SET); |
| ContentSummary c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 3); |
| assertEquals(c.getQuota(), 6); |
| |
| // 3: set the quota of /nqdir0/qdir1/qdir20 to be 7 |
| final Path quotaDir2 = new Path("/nqdir0/qdir1/qdir20"); |
| dfs.setQuota(quotaDir2, 7, FSConstants.QUOTA_DONT_SET); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 2); |
| assertEquals(c.getQuota(), 7); |
| |
| // 4: Create directory /nqdir0/qdir1/qdir21 and set its quota to 2 |
| final Path quotaDir3 = new Path("/nqdir0/qdir1/qdir21"); |
| assertTrue(dfs.mkdirs(quotaDir3)); |
| dfs.setQuota(quotaDir3, 2, FSConstants.QUOTA_DONT_SET); |
| c = dfs.getContentSummary(quotaDir3); |
| assertEquals(c.getDirectoryCount(), 1); |
| assertEquals(c.getQuota(), 2); |
| |
| // 5: Create directory /nqdir0/qdir1/qdir21/nqdir32 |
| Path tempPath = new Path(quotaDir3, "nqdir32"); |
| assertTrue(dfs.mkdirs(tempPath)); |
| c = dfs.getContentSummary(quotaDir3); |
| assertEquals(c.getDirectoryCount(), 2); |
| assertEquals(c.getQuota(), 2); |
| |
| // 6: Create directory /nqdir0/qdir1/qdir21/nqdir33 |
| tempPath = new Path(quotaDir3, "nqdir33"); |
| boolean hasException = false; |
| try { |
| assertFalse(dfs.mkdirs(tempPath)); |
| } catch (NSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| c = dfs.getContentSummary(quotaDir3); |
| assertEquals(c.getDirectoryCount(), 2); |
| assertEquals(c.getQuota(), 2); |
| |
| // 7: Create directory /nqdir0/qdir1/qdir20/nqdir31 |
| tempPath = new Path(quotaDir2, "nqdir31"); |
| assertTrue(dfs.mkdirs(tempPath)); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 3); |
| assertEquals(c.getQuota(), 7); |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 6); |
| assertEquals(c.getQuota(), 6); |
| |
| // 8: Create directory /nqdir0/qdir1/qdir20/nqdir33 |
| tempPath = new Path(quotaDir2, "nqdir33"); |
| hasException = false; |
| try { |
| assertFalse(dfs.mkdirs(tempPath)); |
| } catch (NSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| // 9: Move /nqdir0/qdir1/qdir21/nqdir32 /nqdir0/qdir1/qdir20/nqdir30 |
| tempPath = new Path(quotaDir2, "nqdir30"); |
| dfs.rename(new Path(quotaDir3, "nqdir32"), tempPath); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 4); |
| assertEquals(c.getQuota(), 7); |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 6); |
| assertEquals(c.getQuota(), 6); |
| |
| // 10: Move /nqdir0/qdir1/qdir20/nqdir30 to /nqdir0/qdir1/qdir21 |
| hasException = false; |
| try { |
| assertFalse(dfs.rename(tempPath, quotaDir3)); |
| } catch (NSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| assertTrue(dfs.exists(tempPath)); |
| assertFalse(dfs.exists(new Path(quotaDir3, "nqdir30"))); |
| |
| // 10.a: Rename /nqdir0/qdir1/qdir20/nqdir30 to /nqdir0/qdir1/qdir21/nqdir32 |
| hasException = false; |
| try { |
| assertFalse(dfs.rename(tempPath, new Path(quotaDir3, "nqdir32"))); |
| } catch (QuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| assertTrue(dfs.exists(tempPath)); |
| assertFalse(dfs.exists(new Path(quotaDir3, "nqdir32"))); |
| |
| // 11: Move /nqdir0/qdir1/qdir20/nqdir30 to /nqdir0 |
| assertTrue(dfs.rename(tempPath, new Path("/nqdir0"))); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 2); |
| assertEquals(c.getQuota(), 7); |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 4); |
| assertEquals(c.getQuota(), 6); |
| |
| // 12: Create directory /nqdir0/nqdir30/nqdir33 |
| assertTrue(dfs.mkdirs(new Path("/nqdir0/nqdir30/nqdir33"))); |
| |
| // 13: Move /nqdir0/nqdir30 /nqdir0/qdir1/qdir20/qdir30 |
| hasException = false; |
| try { |
| assertFalse(dfs.rename(new Path("/nqdir0/nqdir30"), tempPath)); |
| } catch (NSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| // 14: Move /nqdir0/qdir1/qdir21 /nqdir0/qdir1/qdir20 |
| assertTrue(dfs.rename(quotaDir3, quotaDir2)); |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 4); |
| assertEquals(c.getQuota(), 6); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 3); |
| assertEquals(c.getQuota(), 7); |
| tempPath = new Path(quotaDir2, "qdir21"); |
| c = dfs.getContentSummary(tempPath); |
| assertEquals(c.getDirectoryCount(), 1); |
| assertEquals(c.getQuota(), 2); |
| |
| // 15: Delete /nqdir0/qdir1/qdir20/qdir21 |
| dfs.delete(tempPath, true); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 2); |
| assertEquals(c.getQuota(), 7); |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 3); |
| assertEquals(c.getQuota(), 6); |
| |
| // 16: Move /nqdir0/qdir30 /nqdir0/qdir1/qdir20 |
| assertTrue(dfs.rename(new Path("/nqdir0/nqdir30"), quotaDir2)); |
| c = dfs.getContentSummary(quotaDir2); |
| assertEquals(c.getDirectoryCount(), 5); |
| assertEquals(c.getQuota(), 7); |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getDirectoryCount(), 6); |
| assertEquals(c.getQuota(), 6); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Test HDFS operations that change disk space consumed by a directory tree. |
| * namely create, rename, delete, append, and setReplication. |
| * |
| * This is based on testNamespaceCommands() above. |
| */ |
| @Test |
| public void testSpaceCommands() 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"); |
| conf.setBoolean("dfs.support.append", true); |
| 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; |
| |
| // create directory /nqdir0/qdir1/qdir20/nqdir30 |
| assertTrue(dfs.mkdirs(new Path("/nqdir0/qdir1/qdir20/nqdir30"))); |
| |
| // set the quota of /nqdir0/qdir1 to 4 * fileSpace |
| final Path quotaDir1 = new Path("/nqdir0/qdir1"); |
| dfs.setQuota(quotaDir1, FSConstants.QUOTA_DONT_SET, 4 * fileSpace); |
| ContentSummary c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getSpaceQuota(), 4 * fileSpace); |
| |
| // set the quota of /nqdir0/qdir1/qdir20 to 6 * fileSpace |
| final Path quotaDir20 = new Path("/nqdir0/qdir1/qdir20"); |
| dfs.setQuota(quotaDir20, FSConstants.QUOTA_DONT_SET, 6 * fileSpace); |
| 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)); |
| dfs.setQuota(quotaDir21, FSConstants.QUOTA_DONT_SET, 2 * fileSpace); |
| c = dfs.getContentSummary(quotaDir21); |
| assertEquals(c.getSpaceQuota(), 2 * fileSpace); |
| |
| // 5: Create directory /nqdir0/qdir1/qdir21/nqdir32 |
| Path tempPath = new Path(quotaDir21, "nqdir32"); |
| assertTrue(dfs.mkdirs(tempPath)); |
| |
| // create a file under nqdir32/fileDir |
| DFSTestUtil.createFile(dfs, new Path(tempPath, "fileDir/file1"), fileLen, |
| replication, 0); |
| c = dfs.getContentSummary(quotaDir21); |
| assertEquals(c.getSpaceConsumed(), fileSpace); |
| |
| // Create a larger file /nqdir0/qdir1/qdir21/nqdir33/ |
| boolean hasException = false; |
| try { |
| DFSTestUtil.createFile(dfs, new Path(quotaDir21, "nqdir33/file2"), |
| 2*fileLen, replication, 0); |
| } catch (DSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| // delete nqdir33 |
| assertTrue(dfs.delete(new Path(quotaDir21, "nqdir33"), true)); |
| c = dfs.getContentSummary(quotaDir21); |
| assertEquals(c.getSpaceConsumed(), fileSpace); |
| assertEquals(c.getSpaceQuota(), 2*fileSpace); |
| |
| // Verify space before the move: |
| c = dfs.getContentSummary(quotaDir20); |
| assertEquals(c.getSpaceConsumed(), 0); |
| |
| // Move /nqdir0/qdir1/qdir21/nqdir32 /nqdir0/qdir1/qdir20/nqdir30 |
| Path dstPath = new Path(quotaDir20, "nqdir30"); |
| Path srcPath = new Path(quotaDir21, "nqdir32"); |
| assertTrue(dfs.rename(srcPath, dstPath)); |
| |
| // verify space after the move |
| c = dfs.getContentSummary(quotaDir20); |
| assertEquals(c.getSpaceConsumed(), fileSpace); |
| // verify space for its parent |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getSpaceConsumed(), fileSpace); |
| // verify space for source for the move |
| c = dfs.getContentSummary(quotaDir21); |
| assertEquals(c.getSpaceConsumed(), 0); |
| |
| final Path file2 = new Path(dstPath, "fileDir/file2"); |
| int file2Len = 2 * fileLen; |
| // create a larger file under /nqdir0/qdir1/qdir20/nqdir30 |
| DFSTestUtil.createFile(dfs, file2, file2Len, replication, 0); |
| |
| c = dfs.getContentSummary(quotaDir20); |
| assertEquals(c.getSpaceConsumed(), 3 * fileSpace); |
| c = dfs.getContentSummary(quotaDir21); |
| assertEquals(c.getSpaceConsumed(), 0); |
| |
| // Reverse: Move /nqdir0/qdir1/qdir20/nqdir30 to /nqdir0/qdir1/qdir21/ |
| hasException = false; |
| try { |
| assertFalse(dfs.rename(dstPath, srcPath)); |
| } catch (DSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| // make sure no intermediate directories left by failed rename |
| assertFalse(dfs.exists(srcPath)); |
| // directory should exist |
| assertTrue(dfs.exists(dstPath)); |
| |
| // verify space after the failed move |
| c = dfs.getContentSummary(quotaDir20); |
| assertEquals(c.getSpaceConsumed(), 3 * fileSpace); |
| c = dfs.getContentSummary(quotaDir21); |
| assertEquals(c.getSpaceConsumed(), 0); |
| |
| // Test Append : |
| |
| // verify space quota |
| c = dfs.getContentSummary(quotaDir1); |
| assertEquals(c.getSpaceQuota(), 4 * fileSpace); |
| |
| // verify space before append; |
| c = dfs.getContentSummary(dstPath); |
| assertEquals(c.getSpaceConsumed(), 3 * fileSpace); |
| |
| OutputStream out = dfs.append(file2); |
| // appending 1 fileLen should succeed |
| out.write(new byte[fileLen]); |
| out.close(); |
| |
| file2Len += fileLen; // after append |
| |
| // verify space after append; |
| c = dfs.getContentSummary(dstPath); |
| assertEquals(c.getSpaceConsumed(), 4 * fileSpace); |
| |
| // now increase the quota for quotaDir1 |
| dfs.setQuota(quotaDir1, FSConstants.QUOTA_DONT_SET, 5 * fileSpace); |
| // Now, appending more than 1 fileLen should result in an error |
| out = dfs.append(file2); |
| hasException = false; |
| try { |
| out.write(new byte[fileLen + 1024]); |
| out.flush(); |
| out.close(); |
| } catch (DSQuotaExceededException e) { |
| hasException = true; |
| IOUtils.closeStream(out); |
| } |
| assertTrue(hasException); |
| |
| file2Len += fileLen; // after partial append |
| |
| // verify space after partial append |
| c = dfs.getContentSummary(dstPath); |
| assertEquals(c.getSpaceConsumed(), 5 * fileSpace); |
| |
| // Test set replication : |
| |
| // first reduce the replication |
| dfs.setReplication(file2, (short)(replication-1)); |
| |
| // verify that space is reduced by file2Len |
| c = dfs.getContentSummary(dstPath); |
| assertEquals(c.getSpaceConsumed(), 5 * fileSpace - file2Len); |
| |
| // now try to increase the replication and and expect an error. |
| hasException = false; |
| try { |
| dfs.setReplication(file2, (short)(replication+1)); |
| } catch (DSQuotaExceededException e) { |
| hasException = true; |
| } |
| assertTrue(hasException); |
| |
| // verify space consumed remains unchanged. |
| c = dfs.getContentSummary(dstPath); |
| assertEquals(c.getSpaceConsumed(), 5 * fileSpace - file2Len); |
| |
| // now increase the quota for quotaDir1 and quotaDir20 |
| dfs.setQuota(quotaDir1, FSConstants.QUOTA_DONT_SET, 10 * fileSpace); |
| dfs.setQuota(quotaDir20, FSConstants.QUOTA_DONT_SET, 10 * fileSpace); |
| |
| // then increasing replication should be ok. |
| dfs.setReplication(file2, (short)(replication+1)); |
| // verify increase in space |
| c = dfs.getContentSummary(dstPath); |
| assertEquals(c.getSpaceConsumed(), 5 * fileSpace + file2Len); |
| |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Violate a space quota using files of size < 1 block. Test that block |
| * allocation conservatively assumes that for quota checking the entire |
| * space of the block is used. |
| */ |
| @Test |
| public void testBlockAllocationAdjustsUsageConservatively() |
| throws Exception { |
| Configuration conf = new HdfsConfiguration(); |
| final int BLOCK_SIZE = 6 * 1024; |
| conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, BLOCK_SIZE); |
| MiniDFSCluster cluster = |
| new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); |
| cluster.waitActive(); |
| FileSystem fs = cluster.getFileSystem(); |
| DFSAdmin admin = new DFSAdmin(conf); |
| |
| try { |
| Path dir = new Path("/test"); |
| Path file1 = new Path("/test/test1"); |
| Path file2 = new Path("/test/test2"); |
| boolean exceededQuota = false; |
| final int QUOTA_SIZE = 3 * BLOCK_SIZE; // total space usage including |
| // repl. |
| final int FILE_SIZE = BLOCK_SIZE / 2; |
| ContentSummary c; |
| |
| // Create the directory and set the quota |
| assertTrue(fs.mkdirs(dir)); |
| runCommand(admin, false, "-setSpaceQuota", Integer.toString(QUOTA_SIZE), |
| dir.toString()); |
| |
| // Creating a file should use half the quota |
| DFSTestUtil.createFile(fs, file1, FILE_SIZE, (short) 3, 1L); |
| DFSTestUtil.waitReplication(fs, file1, (short) 3); |
| c = fs.getContentSummary(dir); |
| assertEquals("Quota is half consumed", QUOTA_SIZE / 2, |
| c.getSpaceConsumed()); |
| |
| // We can not create the 2nd file because even though the total spaced |
| // used by two files (2 * 3 * 512/2) would fit within the quota (3 * 512) |
| // when a block for a file is created the space used is adjusted |
| // conservatively (3 * block size, ie assumes a full block is written) |
| // which will violate the quota (3 * block size) since we've already |
| // used half the quota for the first file. |
| try { |
| DFSTestUtil.createFile(fs, file2, FILE_SIZE, (short) 3, 1L); |
| } catch (QuotaExceededException e) { |
| exceededQuota = true; |
| } |
| assertTrue("Quota not exceeded", exceededQuota); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Like the previous test but create many files. This covers bugs where |
| * the quota adjustment is incorrect but it takes many files to accrue |
| * a big enough accounting error to violate the quota. |
| */ |
| @Test |
| public void testMultipleFilesSmallerThanOneBlock() throws Exception { |
| Configuration conf = new HdfsConfiguration(); |
| final int BLOCK_SIZE = 6 * 1024; |
| conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, BLOCK_SIZE); |
| MiniDFSCluster cluster = |
| new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); |
| cluster.waitActive(); |
| FileSystem fs = cluster.getFileSystem(); |
| DFSAdmin admin = new DFSAdmin(conf); |
| |
| try { |
| Path dir = new Path("/test"); |
| boolean exceededQuota = false; |
| ContentSummary c; |
| // 1kb file |
| // 6kb block |
| // 192kb quota |
| final int FILE_SIZE = 1024; |
| final int QUOTA_SIZE = 32 * (int) fs.getDefaultBlockSize(); |
| assertEquals(6 * 1024, fs.getDefaultBlockSize()); |
| assertEquals(192 * 1024, QUOTA_SIZE); |
| |
| // Create the dir and set the quota. We need to enable the quota before |
| // writing the files as setting the quota afterwards will over-write |
| // the cached disk space used for quota verification with the actual |
| // amount used as calculated by INode#spaceConsumedInTree. |
| assertTrue(fs.mkdirs(dir)); |
| runCommand(admin, false, "-setSpaceQuota", Integer.toString(QUOTA_SIZE), |
| dir.toString()); |
| |
| // We can create at most 59 files because block allocation is |
| // conservative and initially assumes a full block is used, so we |
| // need to leave at least 3 * BLOCK_SIZE free space when allocating |
| // the last block: (58 * 3 * 1024) (3 * 6 * 1024) = 192kb |
| for (int i = 0; i < 59; i++) { |
| Path file = new Path("/test/test"+i); |
| DFSTestUtil.createFile(fs, file, FILE_SIZE, (short) 3, 1L); |
| DFSTestUtil.waitReplication(fs, file, (short) 3); |
| } |
| |
| // Should account for all 59 files (almost QUOTA_SIZE) |
| c = fs.getContentSummary(dir); |
| assertEquals("Invalid space consumed", 59 * FILE_SIZE * 3, |
| c.getSpaceConsumed()); |
| assertEquals("Invalid space consumed", QUOTA_SIZE - (59 * FILE_SIZE * 3), |
| 3 * (fs.getDefaultBlockSize() - FILE_SIZE)); |
| |
| // Now check that trying to create another file violates the quota |
| try { |
| Path file = new Path("/test/test59"); |
| DFSTestUtil.createFile(fs, file, FILE_SIZE, (short) 3, 1L); |
| DFSTestUtil.waitReplication(fs, file, (short) 3); |
| } catch (QuotaExceededException e) { |
| exceededQuota = true; |
| } |
| assertTrue("Quota not exceeded", exceededQuota); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| } |
