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Posted to commits@impala.apache.org by ph...@apache.org on 2018/05/22 03:34:11 UTC

[4/5] impala git commit: IMPALA-7019: Schedule EC as remote & disable failed tests

IMPALA-7019: Schedule EC as remote & disable failed tests

This patch schedules HDFS EC files without considering locality. Failed
tests are disabled and a jenkins build should succeed with export
ERASURE_COINDG=true.

Testing: It passes core tests.

Cherry-picks: not for 2.x.

Change-Id: I138738d3e28e5daa1718c05c04cd9dd146c4ff84
Reviewed-on: http://gerrit.cloudera.org:8080/10413
Reviewed-by: Taras Bobrovytsky <tb...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>


Project: http://git-wip-us.apache.org/repos/asf/impala/repo
Commit: http://git-wip-us.apache.org/repos/asf/impala/commit/21d92aac
Tree: http://git-wip-us.apache.org/repos/asf/impala/tree/21d92aac
Diff: http://git-wip-us.apache.org/repos/asf/impala/diff/21d92aac

Branch: refs/heads/master
Commit: 21d92aacbfdbe9780b983acfacd02ced4bb0c132
Parents: 482ea39
Author: Tianyi Wang <tw...@cloudera.com>
Authored: Mon May 14 12:14:35 2018 -0700
Committer: Impala Public Jenkins <im...@cloudera.com>
Committed: Tue May 22 01:10:14 2018 +0000

----------------------------------------------------------------------
 common/fbs/CatalogObjects.fbs                   |  3 +++
 .../apache/impala/catalog/HdfsPartition.java    | 28 +++++++++++++-------
 .../org/apache/impala/catalog/HdfsTable.java    | 18 ++++++-------
 .../org/apache/impala/planner/HdfsScanNode.java |  3 ++-
 tests/common/skip.py                            | 11 ++++++--
 .../custom_cluster/test_admission_controller.py |  4 ++-
 tests/custom_cluster/test_hdfs_fd_caching.py    |  3 ++-
 tests/metadata/test_explain.py                  |  3 ++-
 tests/query_test/test_hdfs_caching.py           |  3 ++-
 tests/query_test/test_insert.py                 |  4 ++-
 tests/query_test/test_insert_parquet.py         |  3 ++-
 tests/query_test/test_mt_dop.py                 |  3 +++
 tests/query_test/test_nested_types.py           |  5 +++-
 tests/query_test/test_queries.py                |  5 ++++
 tests/query_test/test_query_mem_limit.py        |  2 ++
 tests/query_test/test_scanners.py               |  4 +++
 tests/util/filesystem_utils.py                  |  1 +
 17 files changed, 75 insertions(+), 28 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/common/fbs/CatalogObjects.fbs
----------------------------------------------------------------------
diff --git a/common/fbs/CatalogObjects.fbs b/common/fbs/CatalogObjects.fbs
index c08099d..d320dfa 100644
--- a/common/fbs/CatalogObjects.fbs
+++ b/common/fbs/CatalogObjects.fbs
@@ -73,4 +73,7 @@ table FbFileDesc {
 
   // List of FbFileBlocks that make up this file.
   file_blocks: [FbFileBlock] (id: 4);
+
+  // Whether this file is erasure-coded
+  is_ec: bool = false (id: 5);
 }

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/fe/src/main/java/org/apache/impala/catalog/HdfsPartition.java
----------------------------------------------------------------------
diff --git a/fe/src/main/java/org/apache/impala/catalog/HdfsPartition.java b/fe/src/main/java/org/apache/impala/catalog/HdfsPartition.java
index 1b05804..3939ae2 100644
--- a/fe/src/main/java/org/apache/impala/catalog/HdfsPartition.java
+++ b/fe/src/main/java/org/apache/impala/catalog/HdfsPartition.java
@@ -102,22 +102,29 @@ public class HdfsPartition implements Comparable<HdfsPartition> {
      * Creates the file descriptor of a file represented by 'fileStatus' with blocks
      * stored in 'blockLocations'. 'fileSystem' is the filesystem where the
      * file resides and 'hostIndex' stores the network addresses of the hosts that store
-     * blocks of the parent HdfsTable. Populates 'numUnknownDiskIds' with the number of
-     * unknown disk ids.
+     * blocks of the parent HdfsTable. 'isEc' indicates whether the file is erasure-coded.
+     * Populates 'numUnknownDiskIds' with the number of unknown disk ids.
      */
     public static FileDescriptor create(FileStatus fileStatus,
         BlockLocation[] blockLocations, FileSystem fileSystem,
-        ListMap<TNetworkAddress> hostIndex, Reference<Long> numUnknownDiskIds)
-        throws IOException {
+        ListMap<TNetworkAddress> hostIndex, boolean isEc,
+        Reference<Long> numUnknownDiskIds) throws IOException {
       Preconditions.checkState(FileSystemUtil.supportsStorageIds(fileSystem));
       FlatBufferBuilder fbb = new FlatBufferBuilder(1);
       int[] fbFileBlockOffsets = new int[blockLocations.length];
       int blockIdx = 0;
       for (BlockLocation loc: blockLocations) {
-        fbFileBlockOffsets[blockIdx++] = FileBlock.createFbFileBlock(fbb, loc, hostIndex,
-            numUnknownDiskIds);
+        if (isEc) {
+          fbFileBlockOffsets[blockIdx++] = FileBlock.createFbFileBlock(fbb,
+              loc.getOffset(), loc.getLength(),
+              (short) hostIndex.getIndex(REMOTE_NETWORK_ADDRESS));
+        } else {
+          fbFileBlockOffsets[blockIdx++] =
+              FileBlock.createFbFileBlock(fbb, loc, hostIndex, numUnknownDiskIds);
+        }
       }
-      return new FileDescriptor(createFbFileDesc(fbb, fileStatus, fbFileBlockOffsets));
+      return new FileDescriptor(createFbFileDesc(fbb, fileStatus, fbFileBlockOffsets,
+          isEc));
     }
 
     /**
@@ -132,7 +139,8 @@ public class HdfsPartition implements Comparable<HdfsPartition> {
       FlatBufferBuilder fbb = new FlatBufferBuilder(1);
       int[] fbFileBlockOffets =
           synthesizeFbBlockMd(fbb, fileStatus, fileFormat, hostIndex);
-      return new FileDescriptor(createFbFileDesc(fbb, fileStatus, fbFileBlockOffets));
+      return new FileDescriptor(createFbFileDesc(fbb, fileStatus, fbFileBlockOffets,
+          false));
     }
 
     /**
@@ -142,13 +150,14 @@ public class HdfsPartition implements Comparable<HdfsPartition> {
      * buffer.
      */
     private static FbFileDesc createFbFileDesc(FlatBufferBuilder fbb,
-        FileStatus fileStatus, int[] fbFileBlockOffets) {
+        FileStatus fileStatus, int[] fbFileBlockOffets, boolean isEc) {
       int fileNameOffset = fbb.createString(fileStatus.getPath().getName());
       int blockVectorOffset = FbFileDesc.createFileBlocksVector(fbb, fbFileBlockOffets);
       FbFileDesc.startFbFileDesc(fbb);
       FbFileDesc.addFileName(fbb, fileNameOffset);
       FbFileDesc.addLength(fbb, fileStatus.getLen());
       FbFileDesc.addLastModificationTime(fbb, fileStatus.getModificationTime());
+      FbFileDesc.addIsEc(fbb, isEc);
       HdfsCompression comp = HdfsCompression.fromFileName(fileStatus.getPath().getName());
       FbFileDesc.addCompression(fbb, comp.toFb());
       FbFileDesc.addFileBlocks(fbb, blockVectorOffset);
@@ -209,6 +218,7 @@ public class HdfsPartition implements Comparable<HdfsPartition> {
 
     public long getModificationTime() { return fbFileDescriptor_.lastModificationTime(); }
     public int getNumFileBlocks() { return fbFileDescriptor_.fileBlocksLength(); }
+    public boolean getIsEc() {return fbFileDescriptor_.isEc(); }
 
     public FbFileBlock getFbFileBlock(int idx) {
       return fbFileDescriptor_.fileBlocks(idx);

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
----------------------------------------------------------------------
diff --git a/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java b/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
index 9910eb8..d6b8fb8 100644
--- a/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
+++ b/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
@@ -434,14 +434,14 @@ public class HdfsTable extends Table {
         continue;
       }
       FileDescriptor fd;
-      // Block locations are manually synthesized if the underlying fs does not support
-      // the block location API.
       if (synthesizeFileMd) {
+        // Block locations are manually synthesized if the underlying fs does not support
+        // the block location API.
         fd = FileDescriptor.createWithSynthesizedBlockMd(fileStatus,
             partitions.get(0).getFileFormat(), hostIndex_);
       } else {
-        fd = FileDescriptor.create(fileStatus,
-            fileStatus.getBlockLocations(), fs, hostIndex_, numUnknownDiskIds);
+        fd = FileDescriptor.create(fileStatus, fileStatus.getBlockLocations(), fs,
+            hostIndex_, fileStatus.isErasureCoded(), numUnknownDiskIds);
       }
       newFileDescs.add(fd);
       ++loadStats.loadedFiles;
@@ -508,13 +508,13 @@ public class HdfsTable extends Table {
       FileDescriptor fd = fileDescsByName.get(fileName);
       if (isPartitionMarkedCached || hasFileChanged(fd, fileStatus)) {
         if (synthesizeFileMd) {
-          fd = FileDescriptor.createWithSynthesizedBlockMd(fileStatus,
-              fileFormat, hostIndex_);
+          fd = FileDescriptor.createWithSynthesizedBlockMd(fileStatus, fileFormat,
+              hostIndex_);
         } else {
           BlockLocation[] locations =
-            fs.getFileBlockLocations(fileStatus, 0, fileStatus.getLen());
-          fd = FileDescriptor.create(fileStatus, locations, fs, hostIndex_,
-              numUnknownDiskIds);
+              fs.getFileBlockLocations(fileStatus, 0, fileStatus.getLen());
+            fd = FileDescriptor.create(fileStatus, locations, fs, hostIndex_,
+                fileStatus.isErasureCoded(), numUnknownDiskIds);
         }
         ++loadStats.loadedFiles;
       } else {

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
----------------------------------------------------------------------
diff --git a/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java b/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
index dbaa965..d0c83c3 100644
--- a/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
+++ b/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
@@ -801,7 +801,8 @@ public class HdfsScanNode extends ScanNode {
             // Translate from network address to the global (to this request) host index.
             Integer globalHostIdx = analyzer.getHostIndex().getIndex(networkAddress);
             location.setHost_idx(globalHostIdx);
-            if (checkMissingDiskIds && FileBlock.getDiskId(block, i) == -1) {
+            if (checkMissingDiskIds && !fileDesc.getIsEc() &&
+                FileBlock.getDiskId(block, i) == -1) {
               ++numScanRangesNoDiskIds_;
               partitionMissingDiskIds = true;
               fileDescMissingDiskIds = true;

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/common/skip.py
----------------------------------------------------------------------
diff --git a/tests/common/skip.py b/tests/common/skip.py
index 9a5d95d..53fbe85 100644
--- a/tests/common/skip.py
+++ b/tests/common/skip.py
@@ -26,11 +26,12 @@ from functools import partial
 
 from tests.common.environ import IMPALAD_BUILD
 from tests.util.filesystem_utils import (
+    IS_ADLS,
+    IS_EC,
+    IS_HDFS,
     IS_ISILON,
     IS_LOCAL,
-    IS_HDFS,
     IS_S3,
-    IS_ADLS,
     SECONDARY_FILESYSTEM)
 
 
@@ -143,3 +144,9 @@ class SkipIfNotHdfsMinicluster:
 class SkipIfBuildType:
   not_dev_build = pytest.mark.skipif(not IMPALAD_BUILD.is_dev(),
       reason="Tests depends on debug build startup option.")
+
+class SkipIfEC:
+  remote_read = pytest.mark.skipif(IS_EC, reason="EC files are read remotely and "
+      "features relying on local read do not work.")
+  oom = pytest.mark.skipif(IS_EC, reason="Probably broken by HDFS-13540.")
+  fix_later = pytest.mark.skipif(IS_EC, reason="It should work but doesn't.")

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/custom_cluster/test_admission_controller.py
----------------------------------------------------------------------
diff --git a/tests/custom_cluster/test_admission_controller.py b/tests/custom_cluster/test_admission_controller.py
index d1d9dd8..eba0358 100644
--- a/tests/custom_cluster/test_admission_controller.py
+++ b/tests/custom_cluster/test_admission_controller.py
@@ -32,7 +32,8 @@ from tests.common.environ import specific_build_type_timeout, IMPALAD_BUILD
 from tests.common.impala_test_suite import ImpalaTestSuite
 from tests.common.skip import (
     SkipIfS3,
-    SkipIfADLS)
+    SkipIfADLS,
+    SkipIfEC)
 from tests.common.test_dimensions import (
     create_single_exec_option_dimension,
     create_uncompressed_text_dimension)
@@ -384,6 +385,7 @@ class TestAdmissionController(TestAdmissionControllerBase, HS2TestSuite):
 
   @SkipIfS3.hdfs_block_size
   @SkipIfADLS.hdfs_block_size
+  @SkipIfEC.fix_later
   @pytest.mark.execute_serially
   @CustomClusterTestSuite.with_args(
       impalad_args=impalad_admission_ctrl_flags(max_requests=1, max_queued=1,

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/custom_cluster/test_hdfs_fd_caching.py
----------------------------------------------------------------------
diff --git a/tests/custom_cluster/test_hdfs_fd_caching.py b/tests/custom_cluster/test_hdfs_fd_caching.py
index ad80cef..1afe431 100644
--- a/tests/custom_cluster/test_hdfs_fd_caching.py
+++ b/tests/custom_cluster/test_hdfs_fd_caching.py
@@ -18,7 +18,7 @@
 import pytest
 
 from tests.common.custom_cluster_test_suite import CustomClusterTestSuite
-from tests.common.skip import SkipIfLocal
+from tests.common.skip import SkipIfLocal, SkipIfEC
 from tests.util.filesystem_utils import (
     IS_ISILON,
     IS_S3,
@@ -26,6 +26,7 @@ from tests.util.filesystem_utils import (
 from time import sleep
 
 @SkipIfLocal.hdfs_fd_caching
+@SkipIfEC.remote_read
 class TestHdfsFdCaching(CustomClusterTestSuite):
   """Tests that if HDFS file handle caching is enabled, file handles are actually cached
   and the associated metrics return valid results. In addition, tests that the upper bound

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/metadata/test_explain.py
----------------------------------------------------------------------
diff --git a/tests/metadata/test_explain.py b/tests/metadata/test_explain.py
index 3ad411a..ba206f2 100644
--- a/tests/metadata/test_explain.py
+++ b/tests/metadata/test_explain.py
@@ -20,12 +20,13 @@
 import re
 
 from tests.common.impala_test_suite import ImpalaTestSuite
-from tests.common.skip import SkipIfLocal, SkipIfNotHdfsMinicluster
+from tests.common.skip import SkipIfLocal, SkipIfNotHdfsMinicluster, SkipIfEC
 from tests.util.filesystem_utils import WAREHOUSE
 
 # Tests the different explain levels [0-3] on a few queries.
 # TODO: Clean up this test to use an explain level test dimension and appropriate
 # result sub-sections for the expected explain plans.
+@SkipIfEC.fix_later
 class TestExplain(ImpalaTestSuite):
   # Value for the num_scanner_threads query option to ensure that the memory estimates of
   # scan nodes are consistent even when run on machines with different numbers of cores.

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_hdfs_caching.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_hdfs_caching.py b/tests/query_test/test_hdfs_caching.py
index c013ed4..f16a4a4 100644
--- a/tests/query_test/test_hdfs_caching.py
+++ b/tests/query_test/test_hdfs_caching.py
@@ -25,7 +25,7 @@ from subprocess import check_call
 from tests.common.environ import specific_build_type_timeout
 from tests.common.impala_cluster import ImpalaCluster
 from tests.common.impala_test_suite import ImpalaTestSuite, LOG
-from tests.common.skip import SkipIfS3, SkipIfADLS, SkipIfIsilon, SkipIfLocal
+from tests.common.skip import SkipIfS3, SkipIfADLS, SkipIfIsilon, SkipIfLocal, SkipIfEC
 from tests.common.test_dimensions import create_single_exec_option_dimension
 from tests.util.filesystem_utils import get_fs_path
 from tests.util.shell_util import exec_process
@@ -35,6 +35,7 @@ from tests.util.shell_util import exec_process
 @SkipIfADLS.caching
 @SkipIfIsilon.caching
 @SkipIfLocal.caching
+@SkipIfEC.fix_later
 class TestHdfsCaching(ImpalaTestSuite):
   @classmethod
   def get_workload(self):

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_insert.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_insert.py b/tests/query_test/test_insert.py
index 88aafb2..20fee41 100644
--- a/tests/query_test/test_insert.py
+++ b/tests/query_test/test_insert.py
@@ -22,7 +22,7 @@ import pytest
 from testdata.common import widetable
 from tests.common.impala_cluster import ImpalaCluster
 from tests.common.impala_test_suite import ImpalaTestSuite
-from tests.common.skip import SkipIfLocal, SkipIfNotHdfsMinicluster
+from tests.common.skip import SkipIfEC, SkipIfLocal, SkipIfNotHdfsMinicluster
 from tests.common.test_dimensions import (
     create_exec_option_dimension,
     create_uncompressed_text_dimension)
@@ -112,6 +112,8 @@ class TestInsertQueries(ImpalaTestSuite):
     super(TestInsertQueries, cls).setup_class()
 
   @pytest.mark.execute_serially
+  # Erasure coding doesn't respect memory limit
+  @SkipIfEC.fix_later
   def test_insert(self, vector):
     if (vector.get_value('table_format').file_format == 'parquet'):
       vector.get_value('exec_option')['COMPRESSION_CODEC'] = \

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_insert_parquet.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_insert_parquet.py b/tests/query_test/test_insert_parquet.py
index 1e8ce6e..4af81c9 100644
--- a/tests/query_test/test_insert_parquet.py
+++ b/tests/query_test/test_insert_parquet.py
@@ -29,7 +29,7 @@ from parquet.ttypes import ColumnOrder, SortingColumn, TypeDefinedOrder
 from tests.common.environ import impalad_basedir
 from tests.common.impala_test_suite import ImpalaTestSuite
 from tests.common.parametrize import UniqueDatabase
-from tests.common.skip import SkipIfIsilon, SkipIfLocal, SkipIfS3, SkipIfADLS
+from tests.common.skip import SkipIfEC, SkipIfIsilon, SkipIfLocal, SkipIfS3, SkipIfADLS
 from tests.common.test_dimensions import create_exec_option_dimension
 from tests.common.test_vector import ImpalaTestDimension
 from tests.util.filesystem_utils import get_fs_path
@@ -101,6 +101,7 @@ class TestInsertParquetQueries(ImpalaTestSuite):
     cls.ImpalaTestMatrix.add_constraint(
         lambda v: v.get_value('table_format').compression_codec == 'none')
 
+  @SkipIfEC.oom
   @SkipIfLocal.multiple_impalad
   @UniqueDatabase.parametrize(sync_ddl=True)
   def test_insert_parquet(self, vector, unique_database):

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_mt_dop.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_mt_dop.py b/tests/query_test/test_mt_dop.py
index b6e08e5..0766f2e 100644
--- a/tests/query_test/test_mt_dop.py
+++ b/tests/query_test/test_mt_dop.py
@@ -22,6 +22,7 @@ import pytest
 from copy import deepcopy
 from tests.common.impala_test_suite import ImpalaTestSuite
 from tests.common.kudu_test_suite import KuduTestSuite
+from tests.common.skip import SkipIfEC
 from tests.common.test_vector import ImpalaTestDimension
 
 # COMPUTE STATS on Parquet tables automatically sets MT_DOP=4, so include
@@ -97,6 +98,8 @@ class TestMtDopParquet(ImpalaTestSuite):
     vector.get_value('exec_option')['mt_dop'] = vector.get_value('mt_dop')
     self.run_test_case('QueryTest/mt-dop-parquet-nested', vector)
 
+  # Impala scans fewer row groups than it should with erasure coding.
+  @SkipIfEC.fix_later
   def test_parquet_filtering(self, vector):
     """IMPALA-4624: Test that dictionary filtering eliminates row groups correctly."""
     vector.get_value('exec_option')['mt_dop'] = vector.get_value('mt_dop')

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_nested_types.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_nested_types.py b/tests/query_test/test_nested_types.py
index e62bf4f..0603745 100644
--- a/tests/query_test/test_nested_types.py
+++ b/tests/query_test/test_nested_types.py
@@ -27,8 +27,10 @@ from tests.common.skip import (
     SkipIfIsilon,
     SkipIfS3,
     SkipIfADLS,
+    SkipIfEC,
     SkipIfLocal,
-    SkipIfNotHdfsMinicluster)
+    SkipIfNotHdfsMinicluster
+    )
 from tests.common.test_vector import ImpalaTestDimension
 from tests.util.filesystem_utils import WAREHOUSE, get_fs_path
 
@@ -86,6 +88,7 @@ class TestNestedTypes(ImpalaTestSuite):
     a 3-node HDFS minicluster."""
     self.run_test_case('QueryTest/nested-types-tpch-mem-limit', vector)
 
+  @SkipIfEC.fix_later
   def test_parquet_stats(self, vector):
     """Queries that test evaluation of Parquet row group statistics."""
     self.run_test_case('QueryTest/nested-types-parquet-stats', vector)

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_queries.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_queries.py b/tests/query_test/test_queries.py
index a4fb91e..90cb392 100644
--- a/tests/query_test/test_queries.py
+++ b/tests/query_test/test_queries.py
@@ -22,6 +22,7 @@ import pytest
 import re
 
 from tests.common.impala_test_suite import ImpalaTestSuite
+from tests.common.skip import SkipIfEC
 from tests.common.test_dimensions import create_uncompressed_text_dimension, extend_exec_option_dimension
 from tests.common.test_vector import ImpalaTestVector
 
@@ -166,12 +167,14 @@ class TestQueriesTextTables(ImpalaTestSuite):
     vector.get_value('exec_option')['num_nodes'] = 1
     self.run_test_case('QueryTest/distinct-estimate', vector)
 
+  @SkipIfEC.oom
   def test_random(self, vector):
     # These results will vary slightly depending on how the values get split up
     # so only run with 1 node and on text.
     vector.get_value('exec_option')['num_nodes'] = 1
     self.run_test_case('QueryTest/random', vector)
 
+  @SkipIfEC.oom
   def test_values(self, vector):
     self.run_test_case('QueryTest/values', vector)
 
@@ -188,6 +191,7 @@ class TestQueriesParquetTables(ImpalaTestSuite):
   def get_workload(cls):
     return 'functional-query'
 
+  @SkipIfEC.oom
   @pytest.mark.execute_serially
   def test_very_large_strings(self, vector):
     """Regression test for IMPALA-1619. Doesn't need to be run on all file formats.
@@ -219,6 +223,7 @@ class TestHdfsQueries(ImpalaTestSuite):
   def get_workload(cls):
     return 'functional-query'
 
+  @SkipIfEC.oom
   def test_hdfs_scan_node(self, vector):
     self.run_test_case('QueryTest/hdfs-scan-node', vector)
 

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_query_mem_limit.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_query_mem_limit.py b/tests/query_test/test_query_mem_limit.py
index 17ea9f5..97d3ae7 100644
--- a/tests/query_test/test_query_mem_limit.py
+++ b/tests/query_test/test_query_mem_limit.py
@@ -24,6 +24,7 @@ from copy import copy
 
 from tests.beeswax.impala_beeswax import ImpalaBeeswaxException
 from tests.common.impala_test_suite import ImpalaTestSuite
+from tests.common.skip import SkipIfEC
 from tests.common.test_dimensions import (
     ImpalaTestDimension,
     create_single_exec_option_dimension,
@@ -87,6 +88,7 @@ class TestQueryMemLimit(ImpalaTestSuite):
     cls.ImpalaTestMatrix.add_constraint(
         lambda v: v.get_value('exec_option')['batch_size'] == 0)
 
+  @SkipIfEC.oom
   @pytest.mark.execute_serially
   def test_mem_limit(self, vector):
     mem_limit = copy(vector.get_value('mem_limit'))

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/query_test/test_scanners.py
----------------------------------------------------------------------
diff --git a/tests/query_test/test_scanners.py b/tests/query_test/test_scanners.py
index 4ded221..61a4862 100644
--- a/tests/query_test/test_scanners.py
+++ b/tests/query_test/test_scanners.py
@@ -35,6 +35,7 @@ from tests.common.impala_test_suite import ImpalaTestSuite, LOG
 from tests.common.skip import (
     SkipIfS3,
     SkipIfADLS,
+    SkipIfEC,
     SkipIfIsilon,
     SkipIfLocal)
 from tests.common.test_dimensions import (
@@ -485,6 +486,7 @@ class TestParquet(ImpalaTestSuite):
   @SkipIfADLS.hdfs_block_size
   @SkipIfIsilon.hdfs_block_size
   @SkipIfLocal.multiple_impalad
+  @SkipIfEC.fix_later
   def test_misaligned_parquet_row_groups(self, vector):
     """IMPALA-3989: Test that no warnings are issued when misaligned row groups are
     encountered. Make sure that 'NumScannersWithNoReads' counters are set to the number of
@@ -555,6 +557,7 @@ class TestParquet(ImpalaTestSuite):
   @SkipIfADLS.hdfs_block_size
   @SkipIfIsilon.hdfs_block_size
   @SkipIfLocal.multiple_impalad
+  @SkipIfEC.fix_later
   def test_multiple_blocks_one_row_group(self, vector):
     # For IMPALA-1881. The table functional_parquet.lineitem_multiblock_one_row_group has
     # 3 blocks but only one row group across these blocks. We test to see that only one
@@ -954,6 +957,7 @@ class TestOrc(ImpalaTestSuite):
 
   @SkipIfS3.hdfs_block_size
   @SkipIfADLS.hdfs_block_size
+  @SkipIfEC.fix_later
   @SkipIfIsilon.hdfs_block_size
   @SkipIfLocal.multiple_impalad
   def test_misaligned_orc_stripes(self, vector, unique_database):

http://git-wip-us.apache.org/repos/asf/impala/blob/21d92aac/tests/util/filesystem_utils.py
----------------------------------------------------------------------
diff --git a/tests/util/filesystem_utils.py b/tests/util/filesystem_utils.py
index 77112be..82f6584 100644
--- a/tests/util/filesystem_utils.py
+++ b/tests/util/filesystem_utils.py
@@ -30,6 +30,7 @@ IS_ISILON = FILESYSTEM == "isilon"
 IS_LOCAL = FILESYSTEM == "local"
 IS_HDFS = FILESYSTEM == "hdfs"
 IS_ADLS = FILESYSTEM == "adls"
+IS_EC = os.getenv("ERASURE_CODING") == "true"
 # This condition satisfies both the states where one can assume a default fs
 #   - The environment variable is set to an empty string.
 #   - Tne environment variables is unset ( None )