Handling Data Skew in MapReduce Cluster by Using Partition Tuning

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Attribute characteristic</td><td class="align_center">Transaction <br/>size (GB)</td><td class="align_center">Numbers <br/>of instances</td><td class="align_center">Numbers <br/>of attributes</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Categorical, integer</td><td class="align_center">3.31</td><td class="align_center">4,905,142</td><td class="align_center">247</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Journal of Healthcare Engineering

tab4

Table 4

Table 4: Handling Data Skew in MapReduce Cluster by Using Partition Tuning 