Data Placement Algorithm for Improving I/O Load Balance without Using Popularity Information

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:7.38em"/><col style="width:8.38em"/><col style="width:3.77em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> Algorithm</td><td class="align_center"><span style="width: 93.5382ptpx;"><svg height="12.5794pt" id="M286" style="vertical-align:-3.29107pt" version="1.1" viewbox="-0.0498162 -9.28833 93.5382 12.5794" width="93.5382pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M541 160L512 170C485 116 462 88 439 67C411 41 376 35 318 35C272 35 238 37 224 48C207 61 205 85 212 121L290 533C305 611 308 615 391 622L397 650H139L133 622C217 615 221 612 206 533L126 118C111 41 103 34 23 26L17 0H474C489 31 528 124 541 160Z"></path></g><g transform="matrix(.013,0,0,-0.013,7.576,0)"><path d="M445 282C445 390 384 448 297 448C266 448 231 437 189 418C96 376 23 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270Z"></path></g></svg></span></td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Pseudorandom</td><td class="align_center">16266.8/498.0</td><td class="align_center">1610.1</td></tr><tr><td class="align_left">Kinesis</td><td class="align_center">10572.3/647.6</td><td class="align_center">1594.9</td></tr><tr><td class="align_left">BEAG</td><td class="align_center">10174.7/1013.7</td><td class="align_center">1410.0</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of three algorithms (100 Storage Nodes).</div>

Mathematical Problems in Engineering

tab4

Table 4

Table 4: Data Placement Algorithm for Improving I/O Load Balance without Using Popularity Information 