HADOOP-12733. Remove references to obsolete io.seqfile configuration variables. Contributed by Ray Chiang.

(cherry picked from commit 01d31fe9389ccdc153d7f4bf6574bf8e509867c1)
(cherry picked from commit 3e2d26a97f83461d491180bbc6aa0ba926c0681b)

hadoop-common-project/hadoop-common/src/main/resources/core-default.xml

@@ -1120,22 +1120,6 @@
   </description>
 </property>
 
-<property>
-  <name>io.seqfile.lazydecompress</name>
-  <value>true</value>
-  <description>Should values of block-compressed SequenceFiles be decompressed
-          only when necessary.
-  </description>
-</property>
-
-<property>
-  <name>io.seqfile.sorter.recordlimit</name>
-  <value>1000000</value>
-  <description>The limit on number of records to be kept in memory in a spill
-          in SequenceFiles.Sorter
-  </description>
-</property>
-
  <property>
   <name>io.mapfile.bloom.size</name>
   <value>1048576</value>

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestCommonConfigurationFields.java

@@ -113,8 +113,6 @@ public class TestCommonConfigurationFields extends TestConfigurationFieldsBase {
     configurationPropsToSkipCompare.add("dr.who");
 
     // XML deprecated properties.
-    xmlPropsToSkipCompare.add("io.seqfile.lazydecompress");
-    xmlPropsToSkipCompare.add("io.seqfile.sorter.recordlimit");
     // - org.apache.hadoop.hdfs.client.HdfsClientConfigKeys
     xmlPropsToSkipCompare
         .add("io.bytes.per.checksum");

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/resources/job_1329348432655_0001_conf.xml

@@ -16,7 +16,6 @@
 <property><!--Loaded from job.xml--><name>mapreduce.reduce.shuffle.memory.limit.percent</name><value>0.25</value></property>
 <property><!--Loaded from job.xml--><name>hadoop.http.authentication.kerberos.keytab</name><value>${user.home}/hadoop.keytab</value></property>
 <property><!--Loaded from job.xml--><name>yarn.nodemanager.keytab</name><value>/etc/krb5.keytab</value></property>
-<property><!--Loaded from job.xml--><name>io.seqfile.sorter.recordlimit</name><value>1000000</value></property>
 <property><!--Loaded from job.xml--><name>s3.blocksize</name><value>67108864</value></property>
 <property><!--Loaded from job.xml--><name>mapreduce.task.io.sort.factor</name><value>10</value></property>
 <property><!--Loaded from job.xml--><name>yarn.nodemanager.disk-health-checker.interval-ms</name><value>120000</value></property>
@@ -111,7 +110,6 @@
 <property><!--Loaded from job.xml--><name>dfs.client.block.write.retries</name><value>3</value></property>
 <property><!--Loaded from job.xml--><name>hadoop.proxyuser.user.groups</name><value>users</value></property>
 <property><!--Loaded from job.xml--><name>dfs.namenode.name.dir.restore</name><value>false</value></property>
-<property><!--Loaded from job.xml--><name>io.seqfile.lazydecompress</name><value>true</value></property>
 <property><!--Loaded from job.xml--><name>mapreduce.reduce.merge.inmem.threshold</name><value>1000</value></property>
 <property><!--Loaded from job.xml--><name>mapreduce.input.fileinputformat.split.minsize</name><value>0</value></property>
 <property><!--Loaded from job.xml--><name>dfs.replication</name><value>3</value></property>

hadoop-tools/hadoop-sls/src/main/data/2jobs2min-rumen-jh.json

@@ -4545,7 +4545,6 @@
     "hadoop.ssl.keystores.factory.class" : "org.apache.hadoop.security.ssl.FileBasedKeyStoresFactory",
     "hadoop.http.authentication.kerberos.keytab" : "${user.home}/hadoop.keytab",
     "yarn.nodemanager.keytab" : "/etc/krb5.keytab",
-    "io.seqfile.sorter.recordlimit" : "1000000",
     "s3.blocksize" : "67108864",
     "mapreduce.task.io.sort.factor" : "10",
     "yarn.nodemanager.disk-health-checker.interval-ms" : "120000",
@@ -4671,7 +4670,6 @@
     "rpc.engine.org.apache.hadoop.mapreduce.v2.api.MRClientProtocolPB" : "org.apache.hadoop.ipc.ProtobufRpcEngine",
     "dfs.datanode.hdfs-blocks-metadata.enabled" : "true",
     "ha.zookeeper.parent-znode" : "/hadoop-ha",
-    "io.seqfile.lazydecompress" : "true",
     "mapreduce.reduce.merge.inmem.threshold" : "1000",
     "mapreduce.input.fileinputformat.split.minsize" : "0",
     "dfs.replication" : "3",
@@ -9654,7 +9652,6 @@
     "hadoop.ssl.keystores.factory.class" : "org.apache.hadoop.security.ssl.FileBasedKeyStoresFactory",
     "hadoop.http.authentication.kerberos.keytab" : "${user.home}/hadoop.keytab",
     "yarn.nodemanager.keytab" : "/etc/krb5.keytab",
-    "io.seqfile.sorter.recordlimit" : "1000000",
     "s3.blocksize" : "67108864",
     "mapreduce.task.io.sort.factor" : "10",
     "yarn.nodemanager.disk-health-checker.interval-ms" : "120000",
@@ -9780,7 +9777,6 @@
     "rpc.engine.org.apache.hadoop.mapreduce.v2.api.MRClientProtocolPB" : "org.apache.hadoop.ipc.ProtobufRpcEngine",
     "dfs.datanode.hdfs-blocks-metadata.enabled" : "true",
     "ha.zookeeper.parent-znode" : "/hadoop-ha",
-    "io.seqfile.lazydecompress" : "true",
     "mapreduce.reduce.merge.inmem.threshold" : "1000",
     "mapreduce.input.fileinputformat.split.minsize" : "0",
     "dfs.replication" : "3",