Database Reference
In-Depth Information
</property>
<property>
<name>io.sort.mb</name>
<value>50</value>
</property>
<property>
<name>io.sort.factor</name>
<value>64</value>
</property>
<property>
<name>mapred.reduce.parallel.copies</name>
<value>10</value>
</property>
<property>
<name>mapred.submit.replication</name>
<value>2</value>
</property>
<property>
<name>mapred.reduce.tasks</name>
<value>4</value>
</property>
<property>
<name>mapred.userlog.retain.hours</name>
<value>24</value>
</property>
<property>
<name>mapred.child.java.opts</name>
<value> -Xmx112889935</value>
</property>
<property>
<name>mapred.job.reuse.jvm.num.tasks</name>
<value>1</value>
</property>
<property>
<name>mapred.map.tasks.speculative.execution</name>
<value>false</value>
</property>
<property>
<name>mapred.reduce.tasks.speculative.execution</name>
