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Posted to commits@hive.apache.org by om...@apache.org on 2015/11/20 22:46:51 UTC

[11/12] hive git commit: HIVE-12319 : Remove HadoopShims::getHadoopConfNames() (Aleksei Statkevich via Ashutosh Chauhan)

HIVE-12319 : Remove HadoopShims::getHadoopConfNames() (Aleksei Statkevich via Ashutosh Chauhan)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/b9650be8
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/b9650be8
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/b9650be8

Branch: refs/heads/master-fixed
Commit: b9650be8e48da18b357d502c4d4be2700d956469
Parents: 82705f0
Author: Aleksei Statkevich <me...@gmail.com>
Authored: Sun Nov 15 20:55:00 2015 -0800
Committer: Owen O'Malley <om...@apache.org>
Committed: Fri Nov 20 13:46:23 2015 -0800

----------------------------------------------------------------------
 .../org/apache/hadoop/hive/conf/HiveConf.java   | 21 ++++++-----------
 .../metrics/metrics2/TestCodahaleMetrics.java   |  6 ++---
 .../rcfile/RCFileMapReduceInputFormat.java      |  8 +++----
 .../rcfile/TestRCFileMapReduceInputFormat.java  |  4 ++--
 ...estDDLWithRemoteMetastoreSecondNamenode.java |  3 ++-
 .../org/apache/hadoop/hive/ql/QTestUtil.java    |  3 ++-
 .../java/org/apache/hadoop/hive/ql/Driver.java  |  7 +++---
 .../org/apache/hadoop/hive/ql/exec/DDLTask.java |  5 ++--
 .../hadoop/hive/ql/exec/FetchOperator.java      |  3 ++-
 .../apache/hadoop/hive/ql/exec/Utilities.java   |  6 ++---
 .../hadoop/hive/ql/exec/mr/ExecDriver.java      |  8 +++----
 .../hive/ql/exec/persistence/RowContainer.java  |  8 ++++---
 .../hadoop/hive/ql/exec/tez/DagUtils.java       |  2 +-
 .../hive/ql/exec/tez/HiveSplitGenerator.java    | 15 ++----------
 .../hive/ql/io/CombineHiveInputFormat.java      |  7 +++---
 .../hadoop/hive/ql/io/HiveFileFormatUtils.java  |  6 ++---
 .../hadoop/hive/ql/io/HiveInputFormat.java      |  5 +---
 .../hadoop/hive/ql/io/merge/MergeFileTask.java  |  6 ++---
 .../hadoop/hive/ql/io/orc/OrcInputFormat.java   |  8 ++-----
 .../ql/io/rcfile/stats/PartialScanTask.java     |  6 ++---
 .../rcfile/truncate/ColumnTruncateMapper.java   |  4 ++--
 .../io/rcfile/truncate/ColumnTruncateTask.java  |  7 +++---
 .../hadoop/hive/ql/exec/TestOperators.java      |  5 ++--
 .../apache/hadoop/hive/ql/io/TestRCFile.java    |  9 ++------
 .../hive/ql/io/orc/TestInputOutputFormat.java   | 20 ++++++++--------
 .../hive/ql/io/orc/TestOrcSplitElimination.java | 14 ++++++------
 .../apache/hadoop/hive/shims/Hadoop23Shims.java | 24 --------------------
 .../apache/hadoop/hive/shims/HadoopShims.java   |  3 ---
 .../hadoop/hive/shims/HadoopShimsSecure.java    | 15 ++++++++----
 29 files changed, 95 insertions(+), 143 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
----------------------------------------------------------------------
diff --git a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
index 0afb964..4f8209a 100644
--- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
+++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
@@ -28,9 +28,10 @@ import org.apache.hadoop.hive.conf.Validator.RangeValidator;
 import org.apache.hadoop.hive.conf.Validator.RatioValidator;
 import org.apache.hadoop.hive.conf.Validator.StringSet;
 import org.apache.hadoop.hive.conf.Validator.TimeValidator;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.hive.shims.Utils;
 import org.apache.hadoop.mapred.JobConf;
+import org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.util.Shell;
 import org.apache.hive.common.HiveCompat;
@@ -386,22 +387,14 @@ public class HiveConf extends Configuration {
     HADOOPBIN("hadoop.bin.path", findHadoopBinary(), "", true),
     HIVE_FS_HAR_IMPL("fs.har.impl", "org.apache.hadoop.hive.shims.HiveHarFileSystem",
         "The implementation for accessing Hadoop Archives. Note that this won't be applicable to Hadoop versions less than 0.20"),
-    HADOOPFS(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPFS"), null, "", true),
-    HADOOPMAPFILENAME(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPMAPFILENAME"), null, "", true),
-    HADOOPMAPREDINPUTDIR(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPMAPREDINPUTDIR"), null, "", true),
-    HADOOPMAPREDINPUTDIRRECURSIVE(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPMAPREDINPUTDIRRECURSIVE"), false, "", true),
-    MAPREDMAXSPLITSIZE(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), 256000000L, "", true),
-    MAPREDMINSPLITSIZE(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), 1L, "", true),
-    MAPREDMINSPLITSIZEPERNODE(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZEPERNODE"), 1L, "", true),
-    MAPREDMINSPLITSIZEPERRACK(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZEPERRACK"), 1L, "", true),
+    MAPREDMAXSPLITSIZE(FileInputFormat.SPLIT_MAXSIZE, 256000000L, "", true),
+    MAPREDMINSPLITSIZE(FileInputFormat.SPLIT_MINSIZE, 1L, "", true),
+    MAPREDMINSPLITSIZEPERNODE(CombineFileInputFormat.SPLIT_MINSIZE_PERNODE, 1L, "", true),
+    MAPREDMINSPLITSIZEPERRACK(CombineFileInputFormat.SPLIT_MINSIZE_PERRACK, 1L, "", true),
     // The number of reduce tasks per job. Hadoop sets this value to 1 by default
     // By setting this property to -1, Hive will automatically determine the correct
     // number of reducers.
-    HADOOPNUMREDUCERS(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPNUMREDUCERS"), -1, "", true),
-    HADOOPJOBNAME(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPJOBNAME"), null, "", true),
-    HADOOPSPECULATIVEEXECREDUCERS(ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPSPECULATIVEEXECREDUCERS"), true, "", true),
-    MAPREDSETUPCLEANUPNEEDED(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDSETUPCLEANUPNEEDED"), false, "", true),
-    MAPREDTASKCLEANUPNEEDED(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDTASKCLEANUPNEEDED"), false, "", true),
+    HADOOPNUMREDUCERS("mapreduce.job.reduces", -1, "", true),
 
     // Metastore stuff. Be sure to update HiveConf.metaVars when you add something here!
     METASTOREWAREHOUSE("hive.metastore.warehouse.dir", "/user/hive/warehouse",

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/common/src/test/org/apache/hadoop/hive/common/metrics/metrics2/TestCodahaleMetrics.java
----------------------------------------------------------------------
diff --git a/common/src/test/org/apache/hadoop/hive/common/metrics/metrics2/TestCodahaleMetrics.java b/common/src/test/org/apache/hadoop/hive/common/metrics/metrics2/TestCodahaleMetrics.java
index 27825b1..55bb2c2 100644
--- a/common/src/test/org/apache/hadoop/hive/common/metrics/metrics2/TestCodahaleMetrics.java
+++ b/common/src/test/org/apache/hadoop/hive/common/metrics/metrics2/TestCodahaleMetrics.java
@@ -22,11 +22,10 @@ import com.codahale.metrics.MetricRegistry;
 import com.codahale.metrics.Timer;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import org.apache.hadoop.hive.common.metrics.common.MetricsConstant;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.hive.common.metrics.common.MetricsFactory;
 import org.apache.hadoop.hive.common.metrics.common.MetricsVariable;
 import org.apache.hadoop.hive.conf.HiveConf;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
@@ -57,8 +56,7 @@ public class TestCodahaleMetrics {
 
     jsonReportFile = new File(workDir, "json_reporting");
     jsonReportFile.delete();
-    String defaultFsName = ShimLoader.getHadoopShims().getHadoopConfNames().get("HADOOPFS");
-    conf.set(defaultFsName, "local");
+    conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, "local");
     conf.setVar(HiveConf.ConfVars.HIVE_METRICS_CLASS, CodahaleMetrics.class.getCanonicalName());
     conf.setVar(HiveConf.ConfVars.HIVE_METRICS_REPORTER, MetricsReporting.JSON_FILE.name() + "," + MetricsReporting.JMX.name());
     conf.setVar(HiveConf.ConfVars.HIVE_METRICS_JSON_FILE_LOCATION, jsonReportFile.toString());

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/hcatalog/core/src/main/java/org/apache/hive/hcatalog/rcfile/RCFileMapReduceInputFormat.java
----------------------------------------------------------------------
diff --git a/hcatalog/core/src/main/java/org/apache/hive/hcatalog/rcfile/RCFileMapReduceInputFormat.java b/hcatalog/core/src/main/java/org/apache/hive/hcatalog/rcfile/RCFileMapReduceInputFormat.java
index 0c3d707..d5fa93c 100644
--- a/hcatalog/core/src/main/java/org/apache/hive/hcatalog/rcfile/RCFileMapReduceInputFormat.java
+++ b/hcatalog/core/src/main/java/org/apache/hive/hcatalog/rcfile/RCFileMapReduceInputFormat.java
@@ -21,8 +21,8 @@ package org.apache.hive.hcatalog.rcfile;
 import java.io.IOException;
 import java.util.List;
 
+import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.io.LongWritable;
 import org.apache.hadoop.io.SequenceFile;
 import org.apache.hadoop.mapreduce.InputSplit;
@@ -44,10 +44,8 @@ public class RCFileMapReduceInputFormat<K extends LongWritable, V extends BytesR
 
   @Override
   public List<InputSplit> getSplits(JobContext job) throws IOException {
-
-    job.getConfiguration().setLong(
-        ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"),
-        SequenceFile.SYNC_INTERVAL);
+    HiveConf.setLongVar(job.getConfiguration(),
+        HiveConf.ConfVars.MAPREDMINSPLITSIZE, SequenceFile.SYNC_INTERVAL);
     return super.getSplits(job);
   }
 }

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/hcatalog/core/src/test/java/org/apache/hive/hcatalog/rcfile/TestRCFileMapReduceInputFormat.java
----------------------------------------------------------------------
diff --git a/hcatalog/core/src/test/java/org/apache/hive/hcatalog/rcfile/TestRCFileMapReduceInputFormat.java b/hcatalog/core/src/test/java/org/apache/hive/hcatalog/rcfile/TestRCFileMapReduceInputFormat.java
index 02a13b3..bb6c582 100644
--- a/hcatalog/core/src/test/java/org/apache/hive/hcatalog/rcfile/TestRCFileMapReduceInputFormat.java
+++ b/hcatalog/core/src/test/java/org/apache/hive/hcatalog/rcfile/TestRCFileMapReduceInputFormat.java
@@ -230,8 +230,8 @@ public class TestRCFileMapReduceInputFormat extends TestCase {
     Configuration jonconf = new Configuration(cloneConf);
     jonconf.set("mapred.input.dir", testDir.toString());
     JobContext context = new Job(jonconf);
-    context.getConfiguration().setLong(
-        ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), maxSplitSize);
+    HiveConf.setLongVar(context.getConfiguration(),
+        HiveConf.ConfVars.MAPREDMAXSPLITSIZE, maxSplitSize);
     List<InputSplit> splits = inputFormat.getSplits(context);
     assertEquals("splits length should be " + splitNumber, splits.size(), splitNumber);
     int readCount = 0;

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/TestDDLWithRemoteMetastoreSecondNamenode.java
----------------------------------------------------------------------
diff --git a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/TestDDLWithRemoteMetastoreSecondNamenode.java b/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/TestDDLWithRemoteMetastoreSecondNamenode.java
index 7ed6436..bfb25aa 100644
--- a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/TestDDLWithRemoteMetastoreSecondNamenode.java
+++ b/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/TestDDLWithRemoteMetastoreSecondNamenode.java
@@ -23,6 +23,7 @@ import java.util.HashMap;
 import junit.framework.JUnit4TestAdapter;
 import junit.framework.TestCase;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
@@ -97,7 +98,7 @@ public class TestDDLWithRemoteMetastoreSecondNamenode extends TestCase {
       }
       fs2.mkdirs(tmppathFs2);
       fs2Uri = fs2.getUri().toString();
-      jobConf.setVar(HiveConf.ConfVars.HADOOPFS, fs2Uri);
+      jobConf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, fs2Uri);
 
       driver = new Driver(jobConf);
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java
----------------------------------------------------------------------
diff --git a/itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java b/itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java
index bf6bea7..ac1f15e 100644
--- a/itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java
+++ b/itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java
@@ -56,6 +56,7 @@ import java.util.regex.Pattern;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -299,7 +300,7 @@ public class QTestUtil {
 
       // set fs.default.name to the uri of mini-dfs
       String dfsUriString = WindowsPathUtil.getHdfsUriString(dfs.getFileSystem().getUri().toString());
-      conf.setVar(HiveConf.ConfVars.HADOOPFS, dfsUriString);
+      conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, dfsUriString);
       // hive.metastore.warehouse.dir needs to be set relative to the mini-dfs
       conf.setVar(HiveConf.ConfVars.METASTOREWAREHOUSE,
                   (new Path(dfsUriString,

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/Driver.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/Driver.java b/ql/src/java/org/apache/hadoop/hive/ql/Driver.java
index fbde9eb..8fafd61 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/Driver.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/Driver.java
@@ -36,6 +36,7 @@ import java.util.Set;
 import java.util.concurrent.locks.ReentrantLock;
 
 import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.fs.FSDataInputStream;
@@ -1459,7 +1460,7 @@ public class Driver implements CommandProcessor {
   public int execute() throws CommandNeedRetryException {
     PerfLogger perfLogger = SessionState.getPerfLogger();
     perfLogger.PerfLogBegin(CLASS_NAME, PerfLogger.DRIVER_EXECUTE);
-    boolean noName = StringUtils.isEmpty(conf.getVar(HiveConf.ConfVars.HADOOPJOBNAME));
+    boolean noName = StringUtils.isEmpty(conf.get(MRJobConfig.JOB_NAME));
     int maxlen = conf.getIntVar(HiveConf.ConfVars.HIVEJOBNAMELENGTH);
 
     String queryId = plan.getQueryId();
@@ -1703,7 +1704,7 @@ public class Driver implements CommandProcessor {
         SessionState.get().getHiveHistory().endQuery(queryId);
       }
       if (noName) {
-        conf.setVar(HiveConf.ConfVars.HADOOPJOBNAME, "");
+        conf.set(MRJobConfig.JOB_NAME, "");
       }
       dumpMetaCallTimingWithoutEx("execution");
       perfLogger.PerfLogEnd(CLASS_NAME, PerfLogger.DRIVER_EXECUTE);
@@ -1786,7 +1787,7 @@ public class Driver implements CommandProcessor {
     }
     if (tsk.isMapRedTask() && !(tsk instanceof ConditionalTask)) {
       if (noName) {
-        conf.setVar(HiveConf.ConfVars.HADOOPJOBNAME, jobname + "(" + tsk.getId() + ")");
+        conf.set(MRJobConfig.JOB_NAME, jobname + "(" + tsk.getId() + ")");
       }
       conf.set("mapreduce.workflow.node.name", tsk.getId());
       Utilities.setWorkflowAdjacencies(conf, plan);

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
index 9ab3e98..a210b95 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
@@ -21,6 +21,7 @@ package org.apache.hadoop.hive.ql.exec;
 import com.google.common.collect.Iterables;
 import org.apache.commons.lang.StringEscapeUtils;
 import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.fs.FSDataOutputStream;
@@ -1368,7 +1369,7 @@ public class DDLTask extends Task<DDLWork> implements Serializable {
         String jobname = String.format("Archiving %s@%s",
             tbl.getTableName(), partSpecInfo.getName());
         jobname = Utilities.abbreviate(jobname, maxJobNameLen - 6);
-        conf.setVar(HiveConf.ConfVars.HADOOPJOBNAME, jobname);
+        conf.set(MRJobConfig.JOB_NAME, jobname);
         HadoopArchives har = new HadoopArchives(conf);
         List<String> args = new ArrayList<String>();
 
@@ -1378,7 +1379,7 @@ public class DDLTask extends Task<DDLWork> implements Serializable {
         args.add(originalDir.toString());
         args.add(tmpPath.toString());
 
-        ret = ToolRunner.run(har, args.toArray(new String[0]));;
+        ret = ToolRunner.run(har, args.toArray(new String[0]));
       } catch (Exception e) {
         throw new HiveException(e);
       }

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java
index ad36093..3aafe89 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java
@@ -66,6 +66,7 @@ import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.JobConfigurable;
 import org.apache.hadoop.mapred.RecordReader;
 import org.apache.hadoop.mapred.Reporter;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hive.common.util.AnnotationUtils;
 import org.apache.hive.common.util.ReflectionUtil;
@@ -648,7 +649,7 @@ public class FetchOperator implements Serializable {
    * @return list of file status entries
    */
   private FileStatus[] listStatusUnderPath(FileSystem fs, Path p) throws IOException {
-    boolean recursive = HiveConf.getBoolVar(job, HiveConf.ConfVars.HADOOPMAPREDINPUTDIRRECURSIVE);
+    boolean recursive = job.getBoolean(FileInputFormat.INPUT_DIR_RECURSIVE, false);
     // If this is in acid format always read it recursively regardless of what the jobconf says.
     if (!recursive && !AcidUtils.isAcid(p, job)) {
       return fs.listStatus(p, FileUtils.HIDDEN_FILES_PATH_FILTER);

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
index 0700e2f..9dbb45a 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
@@ -75,7 +75,6 @@ import java.util.concurrent.Future;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicLong;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.zip.Deflater;
@@ -92,6 +91,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.filecache.DistributedCache;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.ContentSummary;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
@@ -207,7 +207,6 @@ import org.apache.hadoop.mapred.SequenceFileOutputFormat;
 import org.apache.hadoop.util.Progressable;
 import org.apache.hadoop.util.Shell;
 import org.apache.hive.common.util.ReflectionUtil;
-import org.slf4j.Logger;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.io.Input;
@@ -3952,7 +3951,8 @@ public final class Utilities {
    * @return True/False
    */
   public static boolean isDefaultNameNode(HiveConf conf) {
-    return !conf.getChangedProperties().containsKey(HiveConf.ConfVars.HADOOPFS.varname);
+    return !conf.getChangedProperties().containsKey(
+        CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY);
   }
 
   /**

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java
index 380cf08..df96d8c 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java
@@ -31,6 +31,7 @@ import java.util.List;
 import java.util.Properties;
 
 import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -275,8 +276,7 @@ public class ExecDriver extends Task<MapredWork> implements Serializable, Hadoop
     // Turn on speculative execution for reducers
     boolean useSpeculativeExecReducers = HiveConf.getBoolVar(job,
         HiveConf.ConfVars.HIVESPECULATIVEEXECREDUCERS);
-    HiveConf.setBoolVar(job, HiveConf.ConfVars.HADOOPSPECULATIVEEXECREDUCERS,
-        useSpeculativeExecReducers);
+    job.setBoolean(MRJobConfig.REDUCE_SPECULATIVE, useSpeculativeExecReducers);
 
     String inpFormat = HiveConf.getVar(job, HiveConf.ConfVars.HIVEINPUTFORMAT);
 
@@ -316,11 +316,11 @@ public class ExecDriver extends Task<MapredWork> implements Serializable, Hadoop
       initializeFiles("tmpfiles", addedFiles);
     }
     int returnVal = 0;
-    boolean noName = StringUtils.isEmpty(HiveConf.getVar(job, HiveConf.ConfVars.HADOOPJOBNAME));
+    boolean noName = StringUtils.isEmpty(job.get(MRJobConfig.JOB_NAME));
 
     if (noName) {
       // This is for a special case to ensure unit tests pass
-      HiveConf.setVar(job, HiveConf.ConfVars.HADOOPJOBNAME, "JOB" + Utilities.randGen.nextInt());
+      job.set(MRJobConfig.JOB_NAME, "JOB" + Utilities.randGen.nextInt());
     }
     String addedArchives = HiveConf.getVar(job, HiveConf.ConfVars.HIVEADDEDARCHIVES);
     // Transfer HIVEADDEDARCHIVES to "tmparchives" so hadoop understands it

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/RowContainer.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/RowContainer.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/RowContainer.java
index c2d0d68..358f692 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/RowContainer.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/RowContainer.java
@@ -23,13 +23,14 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.LocalFileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.exec.FileSinkOperator.RecordWriter;
 import org.apache.hadoop.hive.ql.exec.Utilities;
 import org.apache.hadoop.hive.ql.io.HiveFileFormatUtils;
@@ -147,7 +148,8 @@ public class RowContainer<ROW extends List<Object>>
   private JobConf getLocalFSJobConfClone(Configuration jc) {
     if (this.jobCloneUsingLocalFs == null) {
       this.jobCloneUsingLocalFs = new JobConf(jc);
-      HiveConf.setVar(jobCloneUsingLocalFs, HiveConf.ConfVars.HADOOPFS, Utilities.HADOOP_LOCAL_FS);
+      jobCloneUsingLocalFs.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY,
+          Utilities.HADOOP_LOCAL_FS);
     }
     return this.jobCloneUsingLocalFs;
   }
@@ -217,7 +219,7 @@ public class RowContainer<ROW extends List<Object>>
                 tblDesc.getInputFileFormatClass(), localJc);
           }
 
-          HiveConf.setVar(localJc, HiveConf.ConfVars.HADOOPMAPREDINPUTDIR,
+          localJc.set(FileInputFormat.INPUT_DIR,
               org.apache.hadoop.util.StringUtils.escapeString(parentFile.getAbsolutePath()));
           inputSplits = inputFormat.getSplits(localJc, 1);
           actualSplitNum = inputSplits.length;

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java
index 6dcfe8d..db4d73d 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java
@@ -665,7 +665,7 @@ public class DagUtils {
 
     boolean useSpeculativeExecReducers = HiveConf.getBoolVar(conf,
         HiveConf.ConfVars.HIVESPECULATIVEEXECREDUCERS);
-    HiveConf.setBoolVar(conf, HiveConf.ConfVars.HADOOPSPECULATIVEEXECREDUCERS,
+    conf.setBoolean(org.apache.hadoop.mapreduce.MRJobConfig.REDUCE_SPECULATIVE,
         useSpeculativeExecReducers);
 
     return conf;

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HiveSplitGenerator.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HiveSplitGenerator.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HiveSplitGenerator.java
index 8902acb..532d242 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HiveSplitGenerator.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HiveSplitGenerator.java
@@ -38,7 +38,6 @@ import org.apache.hadoop.hive.ql.plan.MapWork;
 import org.apache.hadoop.hive.serde2.SerDeException;
 import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.mapred.FileSplit;
-import org.apache.hadoop.hive.shims.HadoopShims;
 import org.apache.hadoop.mapred.InputFormat;
 import org.apache.hadoop.mapred.InputSplit;
 import org.apache.hadoop.mapred.JobConf;
@@ -81,16 +80,6 @@ public class HiveSplitGenerator extends InputInitializer {
   private final MapWork work;
   private final SplitGrouper splitGrouper = new SplitGrouper();
 
-  private static final String MIN_SPLIT_SIZE;
-  @SuppressWarnings("unused")
-  private static final String MAX_SPLIT_SIZE;
-
-  static {
-    final HadoopShims SHIMS = ShimLoader.getHadoopShims();
-    MIN_SPLIT_SIZE = SHIMS.getHadoopConfNames().get("MAPREDMINSPLITSIZE");
-    MAX_SPLIT_SIZE = SHIMS.getHadoopConfNames().get("MAPREDMAXSPLITSIZE");
-  }
-
   public HiveSplitGenerator(InputInitializerContext initializerContext) throws IOException,
       SerDeException {
     super(initializerContext);
@@ -143,7 +132,7 @@ public class HiveSplitGenerator extends InputInitializer {
         int taskResource = getContext().getVertexTaskResource().getMemory();
         int availableSlots = totalResource / taskResource;
 
-        if (conf.getLong(MIN_SPLIT_SIZE, 1) <= 1) {
+        if (HiveConf.getLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 1) <= 1) {
           // broken configuration from mapred-default.xml
           final long blockSize = conf.getLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY,
               DFSConfigKeys.DFS_BLOCK_SIZE_DEFAULT);
@@ -151,7 +140,7 @@ public class HiveSplitGenerator extends InputInitializer {
               TezMapReduceSplitsGrouper.TEZ_GROUPING_SPLIT_MIN_SIZE,
               TezMapReduceSplitsGrouper.TEZ_GROUPING_SPLIT_MIN_SIZE_DEFAULT);
           final long preferredSplitSize = Math.min(blockSize / 2, minGrouping);
-          jobConf.setLong(MIN_SPLIT_SIZE, preferredSplitSize);
+          HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, preferredSplitSize);
           LOG.info("The preferred split size is " + preferredSplitSize);
         }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java b/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
index 323ac43..a598ccc 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
@@ -39,7 +39,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.PathFilter;
-import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.exec.Operator;
 import org.apache.hadoop.hive.ql.exec.Utilities;
 import org.apache.hadoop.hive.ql.log.PerfLogger;
@@ -507,11 +506,11 @@ public class CombineHiveInputFormat<K extends WritableComparable, V extends Writ
     }
 
     // Store the previous value for the path specification
-    String oldPaths = job.get(HiveConf.ConfVars.HADOOPMAPREDINPUTDIR.varname);
+    String oldPaths = job.get(org.apache.hadoop.mapreduce.lib.input.FileInputFormat.INPUT_DIR);
     if (LOG.isDebugEnabled()) {
       LOG.debug("The received input paths are: [" + oldPaths +
           "] against the property "
-          + HiveConf.ConfVars.HADOOPMAPREDINPUTDIR.varname);
+          + org.apache.hadoop.mapreduce.lib.input.FileInputFormat.INPUT_DIR);
     }
 
     // Process the normal splits
@@ -540,7 +539,7 @@ public class CombineHiveInputFormat<K extends WritableComparable, V extends Writ
     // This is just to prevent incompatibilities with previous versions Hive
     // if some application depends on the original value being set.
     if (oldPaths != null) {
-      job.set(HiveConf.ConfVars.HADOOPMAPREDINPUTDIR.varname, oldPaths);
+      job.set(org.apache.hadoop.mapreduce.lib.input.FileInputFormat.INPUT_DIR, oldPaths);
     }
 
     // clear work from ThreadLocal after splits generated in case of thread is reused in pool.

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java b/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java
index bc13862..8b229af 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java
@@ -48,7 +48,6 @@ import org.apache.hadoop.hive.ql.plan.OperatorDesc;
 import org.apache.hadoop.hive.ql.plan.PartitionDesc;
 import org.apache.hadoop.hive.ql.plan.TableDesc;
 import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.io.SequenceFile.CompressionType;
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.io.compress.CompressionCodec;
@@ -63,6 +62,7 @@ import org.apache.hadoop.mapred.SequenceFileInputFormat;
 import org.apache.hadoop.mapred.SequenceFileOutputFormat;
 import org.apache.hadoop.mapred.TaskAttemptContext;
 import org.apache.hadoop.mapred.TextInputFormat;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.apache.hadoop.util.Shell;
 import org.apache.hive.common.util.ReflectionUtil;
 import org.slf4j.Logger;
@@ -567,10 +567,10 @@ public final class HiveFileFormatUtils {
 
     // option to bypass job setup and cleanup was introduced in hadoop-21 (MAPREDUCE-463)
     // but can be backported. So we disable setup/cleanup in all versions >= 0.19
-    conf.setBoolean(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDSETUPCLEANUPNEEDED"), false);
+    conf.setBoolean(MRJobConfig.SETUP_CLEANUP_NEEDED, false);
 
     // option to bypass task cleanup task was introduced in hadoop-23 (MAPREDUCE-2206)
     // but can be backported. So we disable setup/cleanup in all versions >= 0.19
-    conf.setBoolean(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDTASKCLEANUPNEEDED"), false);
+    conf.setBoolean(MRJobConfig.TASK_CLEANUP_NEEDED, false);
   }
 }

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java b/ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java
index b63deb2..3feab1a 100755
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java
@@ -54,7 +54,6 @@ import org.apache.hadoop.hive.ql.plan.PartitionDesc;
 import org.apache.hadoop.hive.ql.plan.TableScanDesc;
 import org.apache.hadoop.hive.ql.session.SessionState;
 import org.apache.hadoop.hive.serde2.ColumnProjectionUtils;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.io.WritableComparable;
 import org.apache.hadoop.mapred.FileInputFormat;
@@ -360,9 +359,7 @@ public class HiveInputFormat<K extends WritableComparable, V extends Writable>
       footerCount = Utilities.getFooterCount(table, conf);
       if (headerCount != 0 || footerCount != 0) {
         // Input file has header or footer, cannot be splitted.
-        conf.setLong(
-            ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"),
-            Long.MAX_VALUE);
+        HiveConf.setLongVar(conf, ConfVars.MAPREDMINSPLITSIZE, Long.MAX_VALUE);
       }
     }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeFileTask.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeFileTask.java b/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeFileTask.java
index 2f09014..7453145 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeFileTask.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/merge/MergeFileTask.java
@@ -43,6 +43,7 @@ import org.apache.hadoop.mapred.FileInputFormat;
 import org.apache.hadoop.mapred.JobClient;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.RunningJob;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 
 import java.io.IOException;
 import java.io.Serializable;
@@ -106,8 +107,7 @@ public class MergeFileTask extends Task<MergeFileWork> implements Serializable,
       }
 
       // set job name
-      boolean noName = StringUtils.isEmpty(HiveConf.getVar(job,
-          HiveConf.ConfVars.HADOOPJOBNAME));
+      boolean noName = StringUtils.isEmpty(job.get(MRJobConfig.JOB_NAME));
 
       String jobName = null;
       if (noName && this.getQueryPlan() != null) {
@@ -118,7 +118,7 @@ public class MergeFileTask extends Task<MergeFileWork> implements Serializable,
 
       if (noName) {
         // This is for a special case to ensure unit tests pass
-        HiveConf.setVar(job, HiveConf.ConfVars.HADOOPJOBNAME,
+        job.set(MRJobConfig.JOB_NAME,
             jobName != null ? jobName : "JOB" + Utilities.randGen.nextInt());
       }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java b/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java
index 714af23..0567cbe 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java
@@ -129,10 +129,6 @@ public class OrcInputFormat implements InputFormat<NullWritable, OrcStruct>,
   private static final Logger LOG = LoggerFactory.getLogger(OrcInputFormat.class);
   private static boolean isDebugEnabled = LOG.isDebugEnabled();
   static final HadoopShims SHIMS = ShimLoader.getHadoopShims();
-  static final String MIN_SPLIT_SIZE =
-      SHIMS.getHadoopConfNames().get("MAPREDMINSPLITSIZE");
-  static final String MAX_SPLIT_SIZE =
-      SHIMS.getHadoopConfNames().get("MAPREDMAXSPLITSIZE");
 
   private static final long DEFAULT_MIN_SPLIT_SIZE = 16 * 1024 * 1024;
   private static final long DEFAULT_MAX_SPLIT_SIZE = 256 * 1024 * 1024;
@@ -497,8 +493,8 @@ public class OrcInputFormat implements InputFormat<NullWritable, OrcStruct>,
     Context(Configuration conf, final int minSplits) {
       this.conf = conf;
       this.sarg = ConvertAstToSearchArg.createFromConf(conf);
-      minSize = conf.getLong(MIN_SPLIT_SIZE, DEFAULT_MIN_SPLIT_SIZE);
-      maxSize = conf.getLong(MAX_SPLIT_SIZE, DEFAULT_MAX_SPLIT_SIZE);
+      minSize = HiveConf.getLongVar(conf, ConfVars.MAPREDMINSPLITSIZE, DEFAULT_MIN_SPLIT_SIZE);
+      maxSize = HiveConf.getLongVar(conf, ConfVars.MAPREDMAXSPLITSIZE, DEFAULT_MAX_SPLIT_SIZE);
       String ss = conf.get(ConfVars.HIVE_ORC_SPLIT_STRATEGY.varname);
       if (ss == null || ss.equals(SplitStrategyKind.HYBRID.name())) {
         splitStrategyKind = SplitStrategyKind.HYBRID;

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/stats/PartialScanTask.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/stats/PartialScanTask.java b/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/stats/PartialScanTask.java
index fd04fb5..188e9a6 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/stats/PartialScanTask.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/stats/PartialScanTask.java
@@ -24,6 +24,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
@@ -157,8 +158,7 @@ public class PartialScanTask extends Task<PartialScanWork> implements
 
     int returnVal = 0;
     RunningJob rj = null;
-    boolean noName = StringUtils.isEmpty(HiveConf.getVar(job,
-        HiveConf.ConfVars.HADOOPJOBNAME));
+    boolean noName = StringUtils.isEmpty(job.get(MRJobConfig.JOB_NAME));
 
     String jobName = null;
     if (noName && this.getQueryPlan() != null) {
@@ -169,7 +169,7 @@ public class PartialScanTask extends Task<PartialScanWork> implements
 
     if (noName) {
       // This is for a special case to ensure unit tests pass
-      HiveConf.setVar(job, HiveConf.ConfVars.HADOOPJOBNAME,
+      job.set(MRJobConfig.JOB_NAME,
           jobName != null ? jobName : "JOB" + Utilities.randGen.nextInt());
     }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateMapper.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateMapper.java b/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateMapper.java
index 34a18cb..bd537cd 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateMapper.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateMapper.java
@@ -20,12 +20,12 @@ package org.apache.hadoop.hive.ql.io.rcfile.truncate;
 
 import java.io.IOException;
 
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.exec.Utilities;
 import org.apache.hadoop.hive.ql.io.RCFile;
 import org.apache.hadoop.hive.ql.io.RCFileOutputFormat;
@@ -95,7 +95,7 @@ public class ColumnTruncateMapper extends MapReduceBase implements
     String taskId = Utilities.getTaskId(jc);
     this.tmpPath = tmpPath;
     this.taskTmpPath = taskTmpPath;
-    String inputFile = HiveConf.getVar(jc, HiveConf.ConfVars.HADOOPMAPFILENAME);
+    String inputFile = jc.get(MRJobConfig.MAP_INPUT_FILE);
     int lastSeparator = inputFile.lastIndexOf(Path.SEPARATOR) + 1;
     finalPath = new Path(tmpPath, inputFile.substring(lastSeparator));
     outPath = new Path(taskTmpPath, Utilities.toTempPath(taskId));

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateTask.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateTask.java b/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateTask.java
index 79b3cfa..08e3d80 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateTask.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/truncate/ColumnTruncateTask.java
@@ -46,6 +46,7 @@ import org.apache.hadoop.mapred.FileInputFormat;
 import org.apache.hadoop.mapred.JobClient;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.RunningJob;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 
 @SuppressWarnings( { "deprecation", "unchecked" })
 public class ColumnTruncateTask extends Task<ColumnTruncateWork> implements Serializable,
@@ -142,8 +143,8 @@ public class ColumnTruncateTask extends Task<ColumnTruncateWork> implements Seri
 
     int returnVal = 0;
     RunningJob rj = null;
-    boolean noName = StringUtils.isEmpty(HiveConf.getVar(job,
-        HiveConf.ConfVars.HADOOPJOBNAME));
+
+    boolean noName = StringUtils.isEmpty(job.get(MRJobConfig.JOB_NAME));
 
     String jobName = null;
     if (noName && this.getQueryPlan() != null) {
@@ -154,7 +155,7 @@ public class ColumnTruncateTask extends Task<ColumnTruncateWork> implements Seri
 
     if (noName) {
       // This is for a special case to ensure unit tests pass
-      HiveConf.setVar(job, HiveConf.ConfVars.HADOOPJOBNAME,
+      job.set(MRJobConfig.JOB_NAME,
           jobName != null ? jobName : "JOB" + Utilities.randGen.nextInt());
     }
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/test/org/apache/hadoop/hive/ql/exec/TestOperators.java
----------------------------------------------------------------------
diff --git a/ql/src/test/org/apache/hadoop/hive/ql/exec/TestOperators.java b/ql/src/test/org/apache/hadoop/hive/ql/exec/TestOperators.java
index 21dcf86..e18117a 100644
--- a/ql/src/test/org/apache/hadoop/hive/ql/exec/TestOperators.java
+++ b/ql/src/test/org/apache/hadoop/hive/ql/exec/TestOperators.java
@@ -32,7 +32,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.Driver;
-import org.apache.hadoop.hive.ql.io.IOContext;
 import org.apache.hadoop.hive.ql.io.IOContextMap;
 import org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory;
 import org.apache.hadoop.hive.ql.plan.CollectDesc;
@@ -58,6 +57,7 @@ import org.apache.hadoop.io.Text;
 import org.apache.hadoop.mapred.InputSplit;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.TextInputFormat;
+import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -287,8 +287,7 @@ public class TestOperators extends TestCase {
       System.out.println("Testing Map Operator");
       // initialize configuration
       JobConf hconf = new JobConf(TestOperators.class);
-      HiveConf.setVar(hconf, HiveConf.ConfVars.HADOOPMAPFILENAME,
-          "hdfs:///testDir/testFile");
+      hconf.set(MRJobConfig.MAP_INPUT_FILE, "hdfs:///testDir/testFile");
       IOContextMap.get(hconf).setInputPath(
           new Path("hdfs:///testDir/testFile"));
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/test/org/apache/hadoop/hive/ql/io/TestRCFile.java
----------------------------------------------------------------------
diff --git a/ql/src/test/org/apache/hadoop/hive/ql/io/TestRCFile.java b/ql/src/test/org/apache/hadoop/hive/ql/io/TestRCFile.java
index a68049f..2914194 100644
--- a/ql/src/test/org/apache/hadoop/hive/ql/io/TestRCFile.java
+++ b/ql/src/test/org/apache/hadoop/hive/ql/io/TestRCFile.java
@@ -59,7 +59,6 @@ import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils;
 import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.ObjectInspectorCopyOption;
 import org.apache.hadoop.hive.serde2.objectinspector.StructField;
 import org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.io.LongWritable;
 import org.apache.hadoop.io.Text;
@@ -642,9 +641,7 @@ public class TestRCFile {
     RCFileInputFormat inputFormat = new RCFileInputFormat();
     JobConf jobconf = new JobConf(cloneConf);
     jobconf.set("mapred.input.dir", testDir.toString());
-    jobconf.setLong(
-        ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"),
-        fileLen);
+    HiveConf.setLongVar(jobconf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, fileLen);
     InputSplit[] splits = inputFormat.getSplits(jobconf, 1);
     RCFileRecordReader rr = new RCFileRecordReader(jobconf, (FileSplit)splits[0]);
     long lastSync = 0;
@@ -711,9 +708,7 @@ public class TestRCFile {
     RCFileInputFormat inputFormat = new RCFileInputFormat();
     JobConf jonconf = new JobConf(cloneConf);
     jonconf.set("mapred.input.dir", testDir.toString());
-    jonconf.setLong(
-        ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"),
-        minSplitSize);
+    HiveConf.setLongVar(jonconf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, minSplitSize);
     InputSplit[] splits = inputFormat.getSplits(jonconf, splitNumber);
     assertEquals("splits length should be " + splitNumber, splits.length, splitNumber);
     int readCount = 0;

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestInputOutputFormat.java
----------------------------------------------------------------------
diff --git a/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestInputOutputFormat.java b/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestInputOutputFormat.java
index b8d39d2..9f616ab 100644
--- a/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestInputOutputFormat.java
+++ b/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestInputOutputFormat.java
@@ -1080,8 +1080,8 @@ public class TestInputOutputFormat {
           new MockBlock("host0", "host3-2", "host3-3"),
           new MockBlock("host4-1", "host4-2", "host4-3"),
           new MockBlock("host5-1", "host5-2", "host5-3")));
-    conf.setInt(OrcInputFormat.MAX_SPLIT_SIZE, 300);
-    conf.setInt(OrcInputFormat.MIN_SPLIT_SIZE, 200);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 300);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 200);
     OrcInputFormat.Context context = new OrcInputFormat.Context(conf);
     OrcInputFormat.SplitGenerator splitter =
         new OrcInputFormat.SplitGenerator(new OrcInputFormat.SplitInfo(context, fs,
@@ -1104,8 +1104,8 @@ public class TestInputOutputFormat {
     assertEquals(1800, result.getStart());
     assertEquals(200, result.getLength());
     // test min = 0, max = 0 generates each stripe
-    conf.setInt(OrcInputFormat.MIN_SPLIT_SIZE, 0);
-    conf.setInt(OrcInputFormat.MAX_SPLIT_SIZE, 0);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 0);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 0);
     context = new OrcInputFormat.Context(conf);
     splitter = new OrcInputFormat.SplitGenerator(new OrcInputFormat.SplitInfo(context, fs,
       AcidUtils.createOriginalObj(null, fs.getFileStatus(new Path("/a/file"))), null, true,
@@ -1129,8 +1129,8 @@ public class TestInputOutputFormat {
             new MockBlock("host0", "host3-2", "host3-3"),
             new MockBlock("host4-1", "host4-2", "host4-3"),
             new MockBlock("host5-1", "host5-2", "host5-3")));
-    conf.setInt(OrcInputFormat.MAX_SPLIT_SIZE, 300);
-    conf.setInt(OrcInputFormat.MIN_SPLIT_SIZE, 200);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 300);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 200);
     conf.setBoolean(ColumnProjectionUtils.READ_ALL_COLUMNS, false);
     conf.set(ColumnProjectionUtils.READ_COLUMN_IDS_CONF_STR, "0");
     OrcInputFormat.Context context = new OrcInputFormat.Context(conf);
@@ -1154,8 +1154,8 @@ public class TestInputOutputFormat {
     assertEquals(41867, result.getProjectedColumnsUncompressedSize());
 
     // test min = 0, max = 0 generates each stripe
-    conf.setInt(OrcInputFormat.MIN_SPLIT_SIZE, 0);
-    conf.setInt(OrcInputFormat.MAX_SPLIT_SIZE, 0);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 0);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 0);
     context = new OrcInputFormat.Context(conf);
     splitter = new OrcInputFormat.SplitGenerator(new OrcInputFormat.SplitInfo(context, fs,
         fs.getFileStatus(new Path("/a/file")), null, true,
@@ -1174,8 +1174,8 @@ public class TestInputOutputFormat {
     }
 
     // single split
-    conf.setInt(OrcInputFormat.MIN_SPLIT_SIZE, 100000);
-    conf.setInt(OrcInputFormat.MAX_SPLIT_SIZE, 1000);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 1000);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 100000);
     context = new OrcInputFormat.Context(conf);
     splitter = new OrcInputFormat.SplitGenerator(new OrcInputFormat.SplitInfo(context, fs,
         fs.getFileStatus(new Path("/a/file")), null, true,

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcSplitElimination.java
----------------------------------------------------------------------
diff --git a/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcSplitElimination.java b/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcSplitElimination.java
index 02f015c..3560c43 100644
--- a/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcSplitElimination.java
+++ b/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcSplitElimination.java
@@ -28,6 +28,7 @@ import java.util.List;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hive.common.type.HiveDecimal;
+import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.ql.exec.Utilities;
 import org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc;
 import org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc;
@@ -40,7 +41,6 @@ import org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPEqualOrLessThan;
 import org.apache.hadoop.hive.serde2.ColumnProjectionUtils;
 import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
 import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory;
-import org.apache.hadoop.hive.shims.ShimLoader;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.mapred.FileInputFormat;
 import org.apache.hadoop.mapred.InputFormat;
@@ -109,8 +109,8 @@ public class TestOrcSplitElimination {
         100000, CompressionKind.NONE, 10000, 10000);
     writeData(writer);
     writer.close();
-    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
-    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "5000");
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 1000);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 5000);
     InputFormat<?, ?> in = new OrcInputFormat();
     FileInputFormat.setInputPaths(conf, testFilePath.toString());
 
@@ -187,8 +187,8 @@ public class TestOrcSplitElimination {
         100000, CompressionKind.NONE, 10000, 10000);
     writeData(writer);
     writer.close();
-    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
-    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "150000");
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 1000);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 150000);
     InputFormat<?, ?> in = new OrcInputFormat();
     FileInputFormat.setInputPaths(conf, testFilePath.toString());
 
@@ -276,8 +276,8 @@ public class TestOrcSplitElimination {
         100000, CompressionKind.NONE, 10000, 10000);
     writeData(writer);
     writer.close();
-    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
-    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "150000");
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMINSPLITSIZE, 1000);
+    HiveConf.setLongVar(conf, HiveConf.ConfVars.MAPREDMAXSPLITSIZE, 150000);
     InputFormat<?, ?> in = new OrcInputFormat();
     FileInputFormat.setInputPaths(conf, testFilePath.toString());
 

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java
----------------------------------------------------------------------
diff --git a/shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java b/shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java
index 4da98e4..0b5c092 100644
--- a/shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java
+++ b/shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java
@@ -21,21 +21,16 @@ import java.io.DataInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.InetSocketAddress;
 import java.net.MalformedURLException;
 import java.net.URI;
-import java.net.URL;
 import java.nio.ByteBuffer;
 import java.security.AccessControlException;
 import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -1041,25 +1036,6 @@ public class Hadoop23Shims extends HadoopShimsSecure {
   }
 
   @Override
-  public Map<String, String> getHadoopConfNames() {
-    Map<String, String> ret = new HashMap<String, String>();
-    ret.put("HADOOPFS", "fs.defaultFS");
-    ret.put("HADOOPMAPFILENAME", "mapreduce.map.input.file");
-    ret.put("HADOOPMAPREDINPUTDIR", "mapreduce.input.fileinputformat.inputdir");
-    ret.put("HADOOPMAPREDINPUTDIRRECURSIVE", "mapreduce.input.fileinputformat.input.dir.recursive");
-    ret.put("MAPREDMAXSPLITSIZE", "mapreduce.input.fileinputformat.split.maxsize");
-    ret.put("MAPREDMINSPLITSIZE", "mapreduce.input.fileinputformat.split.minsize");
-    ret.put("MAPREDMINSPLITSIZEPERNODE", "mapreduce.input.fileinputformat.split.minsize.per.node");
-    ret.put("MAPREDMINSPLITSIZEPERRACK", "mapreduce.input.fileinputformat.split.minsize.per.rack");
-    ret.put("HADOOPNUMREDUCERS", "mapreduce.job.reduces");
-    ret.put("HADOOPJOBNAME", "mapreduce.job.name");
-    ret.put("HADOOPSPECULATIVEEXECREDUCERS", "mapreduce.reduce.speculative");
-    ret.put("MAPREDSETUPCLEANUPNEEDED", "mapreduce.job.committer.setup.cleanup.needed");
-    ret.put("MAPREDTASKCLEANUPNEEDED", "mapreduce.job.committer.task.cleanup.needed");
-    return ret;
- }
-
-  @Override
   public ZeroCopyReaderShim getZeroCopyReader(FSDataInputStream in, ByteBufferPoolShim pool) throws IOException {
     if(zeroCopy) {
       return ZeroCopyShims.getZeroCopyReader(in, pool);

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShims.java
----------------------------------------------------------------------
diff --git a/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShims.java b/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShims.java
index 47b3caa..f9785ec 100644
--- a/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShims.java
+++ b/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShims.java
@@ -27,7 +27,6 @@ import java.security.AccessControlException;
 import java.security.NoSuchAlgorithmException;
 import java.util.Comparator;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
 
@@ -411,8 +410,6 @@ public interface HadoopShims {
    */
   public FileSystem createProxyFileSystem(FileSystem fs, URI uri);
 
-  public Map<String, String> getHadoopConfNames();
-
   /**
    * Create a shim for DFS storage policy.
    */

http://git-wip-us.apache.org/repos/asf/hive/blob/b9650be8/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShimsSecure.java
----------------------------------------------------------------------
diff --git a/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShimsSecure.java b/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShimsSecure.java
index 0a0f52d..63d48a5 100644
--- a/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShimsSecure.java
+++ b/shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShimsSecure.java
@@ -294,18 +294,25 @@ public abstract class HadoopShimsSecure implements HadoopShims {
 
     @Override
     public CombineFileSplit[] getSplits(JobConf job, int numSplits) throws IOException {
-      long minSize = job.getLong(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), 0);
+
+      long minSize =
+          job.getLong(org.apache.hadoop.mapreduce.lib.input.FileInputFormat.SPLIT_MINSIZE, 0);
 
       // For backward compatibility, let the above parameter be used
-      if (job.getLong(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZEPERNODE"), 0) == 0) {
+      if (job.getLong(
+          org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.SPLIT_MINSIZE_PERNODE,
+          0) == 0) {
         super.setMinSplitSizeNode(minSize);
       }
 
-      if (job.getLong(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZEPERRACK"), 0) == 0) {
+      if (job.getLong(
+          org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.SPLIT_MINSIZE_PERRACK,
+          0) == 0) {
         super.setMinSplitSizeRack(minSize);
       }
 
-      if (job.getLong(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), 0) == 0) {
+      if (job.getLong(org.apache.hadoop.mapreduce.lib.input.FileInputFormat.SPLIT_MAXSIZE,
+          0) == 0) {
         super.setMaxSplitSize(minSize);
       }