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<td height=17 class=xl6712838 colspan=2 style='height:12.75pt'>Machine
details</td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
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<td height=17 class=xl6512838 style='height:12.75pt'>CPU</td>
<td class=xl6812838 style='border-left:none'>8 core</td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
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<td class=xl1512838></td>
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<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6512838 style='height:12.75pt;border-top:none'>OS</td>
<td class=xl6812838 style='border-top:none;border-left:none'>suse linux 10.3</td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
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<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6512838 style='height:12.75pt;border-top:none'>RAM</td>
<td class=xl6812838 style='border-top:none;border-left:none'>24GB</td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
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<tr height=17 style='height:12.75pt'>
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<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl1512838 style='height:12.75pt'></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
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<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6712838 colspan=2 style='height:12.75pt'>Modified
pgbench</td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
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<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6712838 colspan=5 style='height:12.75pt'>one char, one
varchar and one integer update</td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
</tr>
<tr height=17 style='height:12.75pt'>
<td rowspan=2 height=34 class=xl6912838 style='border-bottom:.5pt solid black;
height:25.5pt'>pgbench<span style='mso-spacerun:yes'> </span></td>
<td colspan=2 class=xl7112838 style='border-right:.5pt solid black;
border-left:none'>old code</td>
<td colspan=2 class=xl7112838 style='border-right:.5pt solid black;
border-left:none'>Modified code</td>
<td colspan=2 class=xl7112838 style='border-right:.5pt solid black;
border-left:none'>Difference(%)</td>
<td class=xl1512838></td>
<td class=xl6512838>Base records</td>
<td class=xl6512838 align=right style='border-left:none'>1000000</td>
<td class=xl6512838 style='border-left:none'>fill factor</td>
<td class=xl6512838 align=right style='border-left:none'>100</td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6312838 style='height:12.75pt;border-top:none;
border-left:none'>TPS</td>
<td class=xl6312838 style='border-top:none;border-left:none'>Total</td>
<td class=xl6312838 style='border-top:none;border-left:none'>TPS</td>
<td class=xl6312838 style='border-top:none;border-left:none'>Total</td>
<td class=xl6312838 style='border-top:none;border-left:none'>TPS</td>
<td class=xl6312838 style='border-top:none;border-left:none'>Total</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>update</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3</td>
<td class=xl6512838 style='border-top:none;border-left:none'>shared buffers</td>
<td class=xl6812838 style='border-top:none;border-left:none'>2GB</td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Run1</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1165</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>703621</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3786</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2274842</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>224.9785</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>223.305</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>record size</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1800</td>
<td class=xl6512838 style='border-top:none;border-left:none'>update size</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>300</td>
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<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Run2</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1361</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>819818</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3594</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2157678</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>164.0705</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>163.1899</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>sync commit</td>
<td class=xl6812838 style='border-top:none;border-left:none'>off</td>
<td class=xl6512838 style='border-top:none;border-left:none'> </td>
<td class=xl6812838 style='border-top:none;border-left:none'> </td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Run3</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1407</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>846262</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3449</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2075738</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>145.1315</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>145.2831</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>threads</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>8</td>
<td class=xl6512838 style='border-top:none;border-left:none'>clients</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>16</td>
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<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Avg</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1311</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>789900.3</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3609.667</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2169419</td>
<td class=xl6612838 align=right style='border-top:none;border-left:none'>175.3369</td>
<td class=xl6612838 align=right style='border-top:none;border-left:none'>174.6447</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>auto vacuum</td>
<td class=xl6812838 style='border-top:none;border-left:none'>off</td>
<td class=xl6512838 style='border-top:none;border-left:none'> </td>
<td class=xl6512838 style='border-top:none;border-left:none'> </td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl1512838 style='height:12.75pt'></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>ckpt seg</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>256</td>
<td class=xl6512838 style='border-top:none;border-left:none'>ckpt interval</td>
<td class=xl6512838 style='border-top:none;border-left:none'>15min</td>
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<tr height=17 style='height:12.75pt'>
<td height=17 class=xl1512838 style='height:12.75pt'></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl1512838 style='height:12.75pt'></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
</tr>
<tr height=17 style='height:12.75pt'>
<td rowspan=2 height=34 class=xl6912838 style='border-bottom:.5pt solid black;
height:25.5pt'>pgbench<span style='mso-spacerun:yes'> </span></td>
<td colspan=2 class=xl7112838 style='border-right:.5pt solid black;
border-left:none'>old code</td>
<td colspan=2 class=xl7112838 style='border-right:.5pt solid black;
border-left:none'>Modified code</td>
<td colspan=2 class=xl7112838 style='border-right:.5pt solid black;
border-left:none'>Difference(%)</td>
<td class=xl1512838></td>
<td class=xl6512838>Base records</td>
<td class=xl6512838 align=right style='border-left:none'>1000000</td>
<td class=xl6512838 style='border-left:none'>fill factor</td>
<td class=xl6512838 align=right style='border-left:none'>80</td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6312838 style='height:12.75pt;border-top:none;
border-left:none'>TPS</td>
<td class=xl6312838 style='border-top:none;border-left:none'>Total</td>
<td class=xl6312838 style='border-top:none;border-left:none'>TPS</td>
<td class=xl6312838 style='border-top:none;border-left:none'>Total</td>
<td class=xl6312838 style='border-top:none;border-left:none'>TPS</td>
<td class=xl6312838 style='border-top:none;border-left:none'>Total</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>update</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3</td>
<td class=xl6512838 style='border-top:none;border-left:none'>shared buffers</td>
<td class=xl6812838 style='border-top:none;border-left:none'>2GB</td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Run1</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1604</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>967190</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3674</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2205483</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>129.0524</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>128.03</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>record size</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1800</td>
<td class=xl6512838 style='border-top:none;border-left:none'>update size</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>300</td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Run2</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1713</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1029704</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>4457</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2681401</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>160.1868</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>160.405</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>sync commit</td>
<td class=xl6812838 style='border-top:none;border-left:none'>off</td>
<td class=xl6512838 style='border-top:none;border-left:none'> </td>
<td class=xl6812838 style='border-top:none;border-left:none'> </td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Run3</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1684</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1011621</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>5422</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>3255457</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>221.9715</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>221.806</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>threads</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>8</td>
<td class=xl6512838 style='border-top:none;border-left:none'>clients</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>16</td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl6412838 style='height:12.75pt;border-top:none'>Avg</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1667</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>1002838</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>4517.667</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>2714114</td>
<td class=xl6612838 align=right style='border-top:none;border-left:none'>171.0058</td>
<td class=xl6612838 align=right style='border-top:none;border-left:none'>170.6432</td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>auto vacuum</td>
<td class=xl6812838 style='border-top:none;border-left:none'>off</td>
<td class=xl6512838 style='border-top:none;border-left:none'> </td>
<td class=xl6512838 style='border-top:none;border-left:none'> </td>
</tr>
<tr height=17 style='height:12.75pt'>
<td height=17 class=xl1512838 style='height:12.75pt'></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl1512838></td>
<td class=xl6512838 style='border-top:none'>ckpt seg</td>
<td class=xl6512838 align=right style='border-top:none;border-left:none'>256</td>
<td class=xl6512838 style='border-top:none;border-left:none'>ckpt interval</td>
<td class=xl6512838 style='border-top:none;border-left:none'>15min</td>
</tr>
<![if supportMisalignedColumns]>
<tr height=0 style='display:none'>
<td width=64 style='width:48pt'></td>
<td width=95 style='width:71pt'></td>
<td width=64 style='width:48pt'></td>
<td width=64 style='width:48pt'></td>
<td width=64 style='width:48pt'></td>
<td width=64 style='width:48pt'></td>
<td width=64 style='width:48pt'></td>
<td width=64 style='width:48pt'></td>
<td width=84 style='width:63pt'></td>
<td width=64 style='width:48pt'></td>
<td width=88 style='width:66pt'></td>
<td width=64 style='width:48pt'></td>
</tr>
<![endif]>
</table>
</div>
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