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ASF GitHub Bot logged work on HDFS-16286: ----------------------------------------- Author: ASF GitHub Bot Created on: 03/Nov/21 02:38 Start Date: 03/Nov/21 02:38 Worklog Time Spent: 10m Work Description: cndaimin commented on a change in pull request #3593: URL: https://github.com/apache/hadoop/pull/3593#discussion_r741582271 ########## File path: hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDebugAdmin.java ########## @@ -166,8 +179,91 @@ public void testComputeMetaCommand() throws Exception { @Test(timeout = 60000) public void testRecoverLeaseforFileNotFound() throws Exception { + cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); + cluster.waitActive(); assertTrue(runCmd(new String[] { "recoverLease", "-path", "/foo", "-retries", "2" }).contains( "Giving up on recoverLease for /foo after 1 try")); } + + @Test(timeout = 60000) + public void testVerifyECCommand() throws Exception { + final ErasureCodingPolicy ecPolicy = SystemErasureCodingPolicies.getByID( + SystemErasureCodingPolicies.RS_3_2_POLICY_ID); + cluster = DFSTestUtil.setupCluster(conf, 6, 5, 0); + cluster.waitActive(); + DistributedFileSystem fs = cluster.getFileSystem(); + + assertEquals("ret: 1, verifyEC -file <file> Verify HDFS erasure coding on " + + "all block groups of the file.", runCmd(new String[]{"verifyEC"})); + + assertEquals("ret: 1, File /bar does not exist.", + runCmd(new String[]{"verifyEC", "-file", "/bar"})); + + fs.create(new Path("/bar")).close(); + assertEquals("ret: 1, File /bar is not erasure coded.", + runCmd(new String[]{"verifyEC", "-file", "/bar"})); + + + final Path ecDir = new Path("/ec"); + fs.mkdir(ecDir, FsPermission.getDirDefault()); + fs.enableErasureCodingPolicy(ecPolicy.getName()); + fs.setErasureCodingPolicy(ecDir, ecPolicy.getName()); + + assertEquals("ret: 1, File /ec is not a regular file.", + runCmd(new String[]{"verifyEC", "-file", "/ec"})); + + fs.create(new Path(ecDir, "foo")); + assertEquals("ret: 1, File /ec/foo is not closed.", + runCmd(new String[]{"verifyEC", "-file", "/ec/foo"})); + + final short repl = 1; + final long k = 1024; + final long m = k * k; + final long seed = 0x1234567L; + DFSTestUtil.createFile(fs, new Path(ecDir, "foo_65535"), 65535, repl, seed); + assertTrue(runCmd(new String[]{"verifyEC", "-file", "/ec/foo_65535"}) + .contains("All EC block group status: OK")); + DFSTestUtil.createFile(fs, new Path(ecDir, "foo_256k"), 256 * k, repl, seed); + assertTrue(runCmd(new String[]{"verifyEC", "-file", "/ec/foo_256k"}) + .contains("All EC block group status: OK")); + DFSTestUtil.createFile(fs, new Path(ecDir, "foo_1m"), m, repl, seed); + assertTrue(runCmd(new String[]{"verifyEC", "-file", "/ec/foo_1m"}) + .contains("All EC block group status: OK")); + DFSTestUtil.createFile(fs, new Path(ecDir, "foo_2m"), 2 * m, repl, seed); + assertTrue(runCmd(new String[]{"verifyEC", "-file", "/ec/foo_2m"}) + .contains("All EC block group status: OK")); + DFSTestUtil.createFile(fs, new Path(ecDir, "foo_3m"), 3 * m, repl, seed); + assertTrue(runCmd(new String[]{"verifyEC", "-file", "/ec/foo_3m"}) + .contains("All EC block group status: OK")); + DFSTestUtil.createFile(fs, new Path(ecDir, "foo_5m"), 5 * m, repl, seed); + assertTrue(runCmd(new String[]{"verifyEC", "-file", "/ec/foo_5m"}) + .contains("All EC block group status: OK")); + Review comment: Thanks, that's a good advice, updated. -- This is an automated message from the Apache Git Service. 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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: 674337) Time Spent: 3h 20m (was: 3h 10m) > Debug tool to verify the correctness of erasure coding on file > -------------------------------------------------------------- > > Key: HDFS-16286 > URL: https://issues.apache.org/jira/browse/HDFS-16286 > Project: Hadoop HDFS > Issue Type: Improvement > Components: erasure-coding, tools > Affects Versions: 3.3.0, 3.3.1 > Reporter: daimin > Assignee: daimin > Priority: Minor > Labels: pull-request-available > Time Spent: 3h 20m > Remaining Estimate: 0h > > Block data in erasure coded block group may corrupt and the block meta > (checksum) is unable to discover the corruption in some cases such as EC > reconstruction, related issues are: HDFS-14768, HDFS-15186, HDFS-15240. > In addition to HDFS-15759, there needs a tool to check erasure coded file > whether any block group has data corruption in case of other conditions > rather than EC reconstruction, or the feature HDFS-15759(validation during EC > reconstruction) is not open(which is close by default now). -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org