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<h4>sortDataByValMemSort</h4>
<pre class="methodSignature">public static&nbsp;org.apache.spark.api.java.JavaPairRDD&lt;<a href="../../../matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,&#8203;<a href="../../../matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&nbsp;sortDataByValMemSort&#8203;(org.apache.spark.api.java.JavaPairRDD&lt;<a h