diff options
Diffstat (limited to 'topics')
| -rw-r--r-- | topics/xapian-index-building-scalability.svg | 148 | ||||
| -rw-r--r-- | topics/xapian-scalability.gmi | 21 |
2 files changed, 81 insertions, 88 deletions
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M394.23,422.40 L394.23,417.90 M394.23,54.01 L394.23,58.51 M402.65,422.40 L402.65,417.90 M402.65,54.01 L402.65,58.51 + <path stroke='black' d='M284.92,422.40 L284.92,417.90 M284.92,54.01 L284.92,58.51 M314.97,422.40 L314.97,417.90 M314.97,54.01 L314.97,58.51 + M336.28,422.40 L336.28,417.90 M336.28,54.01 L336.28,58.51 M352.82,422.40 L352.82,417.90 M352.82,54.01 L352.82,58.51 + M366.33,422.40 L366.33,417.90 M366.33,54.01 L366.33,58.51 M377.76,422.40 L377.76,417.90 M377.76,54.01 L377.76,58.51 + M387.65,422.40 L387.65,417.90 M387.65,54.01 L387.65,58.51 M396.38,422.40 L396.38,417.90 M396.38,54.01 L396.38,58.51 '/></g> <g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter"> </g> <g fill="none" color="gray" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter"> - <path stroke='gray' stroke-dasharray='2,4' class="gridline" d='M410.19,422.40 L410.19,54.01 '/></g> + <path stroke='gray' stroke-dasharray='2,4' class="gridline" d='M404.19,422.40 L404.19,54.01 '/></g> <g fill="none" color="gray" stroke="gray" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <path stroke='black' d='M410.19,422.40 L410.19,413.40 M410.19,54.01 L410.19,63.01 '/> <g transform="translate(410.19,444.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> - <text><tspan font-family="Arial" > 1x10</tspan><tspan font-family="Arial" font-size="9.6" dy="-6.00px">6</tspan><tspan font-size="12.0" dy="6.00"></tspan></text> + <path stroke='black' d='M404.19,422.40 L404.19,413.40 M404.19,54.01 L404.19,63.01 '/> <g transform="translate(404.19,444.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> + <text><tspan font-family="Arial" >1M</tspan></text> </g> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <path stroke='black' d='M459.75,422.40 L459.75,417.90 M459.75,54.01 L459.75,58.51 M488.74,422.40 L488.74,417.90 M488.74,54.01 L488.74,58.51 - M509.31,422.40 L509.31,417.90 M509.31,54.01 L509.31,58.51 M525.26,422.40 L525.26,417.90 M525.26,54.01 L525.26,58.51 - M538.30,422.40 L538.30,417.90 M538.30,54.01 L538.30,58.51 M549.32,422.40 L549.32,417.90 M549.32,54.01 L549.32,58.51 - M558.87,422.40 L558.87,417.90 M558.87,54.01 L558.87,58.51 M567.29,422.40 L567.29,417.90 M567.29,54.01 L567.29,58.51 + <path stroke='black' d='M455.55,422.40 L455.55,417.90 M455.55,54.01 L455.55,58.51 M485.60,422.40 L485.60,417.90 M485.60,54.01 L485.60,58.51 + M506.92,422.40 L506.92,417.90 M506.92,54.01 L506.92,58.51 M523.45,422.40 L523.45,417.90 M523.45,54.01 L523.45,58.51 + M536.97,422.40 L536.97,417.90 M536.97,54.01 L536.97,58.51 M548.39,422.40 L548.39,417.90 M548.39,54.01 L548.39,58.51 + M558.28,422.40 L558.28,417.90 M558.28,54.01 L558.28,58.51 M567.01,422.40 L567.01,417.90 M567.01,54.01 L567.01,58.51 '/></g> <g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter"> </g> @@ -245,21 +245,16 @@ </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> <path stroke='black' d='M574.82,422.40 L574.82,413.40 M574.82,54.01 L574.82,63.01 '/> <g transform="translate(574.82,444.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> - <text><tspan font-family="Arial" > 1x10</tspan><tspan font-family="Arial" font-size="9.6" dy="-6.00px">7</tspan><tspan font-size="12.0" dy="6.00"></tspan></text> + <text><tspan font-family="Arial" >10M</tspan></text> </g> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <path stroke='black' d='M80.92,54.01 L80.92,422.40 L574.82,422.40 L574.82,54.01 L80.92,54.01 Z '/></g> -<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <g transform="translate(19.18,238.21) rotate(270)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> - <text><tspan font-family="Arial" >Time (in ms)</tspan></text> - </g> -</g> + <path stroke='black' d='M62.92,54.01 L62.92,422.40 L574.82,422.40 L574.82,54.01 L62.92,54.01 Z '/></g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <g transform="translate(327.87,471.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> - <text><tspan font-family="Arial" >Index size (in number of documents)</tspan></text> + <g transform="translate(318.87,471.30)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> + <text><tspan font-family="Arial" >Xapian index size (in number of documents)</tspan></text> </g> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> @@ -268,17 +263,16 @@ <g fill="none" color="white" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter"> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter"> - <path stroke='black' d='M80.92,422.05 L130.48,284.78 L180.04,325.51 L229.60,314.53 L279.16,257.71 L328.72,234.14 L378.28,227.15 L427.84,170.55 - L477.40,114.08 L526.96,78.48 '/> <use xlink:href='#gpPt0' transform='translate(80.92,422.05) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(130.48,284.78) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(180.04,325.51) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(229.60,314.53) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(279.16,257.71) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(328.72,234.14) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(378.28,227.15) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(427.84,170.55) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(477.40,114.08) scale(9.00)' color='black'/> - <use xlink:href='#gpPt0' transform='translate(526.96,78.48) scale(9.00)' color='black'/> + <path stroke='black' d='M62.92,403.76 L114.29,297.84 L165.65,164.44 L217.02,122.94 L268.38,163.79 L319.75,202.70 L371.11,208.05 L422.48,168.36 + L473.85,89.51 '/> <use xlink:href='#gpPt0' transform='translate(62.92,403.76) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(114.29,297.84) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(165.65,164.44) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(217.02,122.94) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(268.38,163.79) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(319.75,202.70) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(371.11,208.05) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(422.48,168.36) scale(9.00)' color='black'/> + <use xlink:href='#gpPt0' transform='translate(473.85,89.51) scale(9.00)' color='black'/> </g> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter"> @@ -286,10 +280,10 @@ <g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <path stroke='black' d='M80.92,54.01 L80.92,422.40 L574.82,422.40 L574.82,54.01 L80.92,54.01 Z '/></g> + <path stroke='black' d='M62.92,54.01 L62.92,422.40 L574.82,422.40 L574.82,54.01 L62.92,54.01 Z '/></g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> - <g transform="translate(327.87,30.91)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> - <text><tspan font-family="Arial" >Time per document to build an index of various sizes</tspan></text> + <g transform="translate(318.87,30.91)" stroke="none" fill="black" font-family="Arial" font-size="12.00" text-anchor="middle"> + <text><tspan font-family="Arial" >Time (in ms) per document to build a Xapian index of various sizes</tspan></text> </g> </g> <g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter"> diff --git a/topics/xapian-scalability.gmi b/topics/xapian-scalability.gmi index 21eb1d4..cfc4e46 100644 --- a/topics/xapian-scalability.gmi +++ b/topics/xapian-scalability.gmi @@ -2,17 +2,16 @@ As the index grows larger, Xapian takes longer to insert new documents. Shown below is the time (in seconds) taken to build indices of various sizes (in number of documents). -* 10k: 5.0 -* 20k: 10.7 -* 40k: 21.1 -* 80k: 42.3 -* 160k: 87.2 -* 320k: 176.4 -* 640k: 353.9 -* 1280k: 727.5 -* 2560k: 1494.3 -* 5120k: 3037.9 +* 10k: 4.45 +* 20k: 9.48 +* 40k: 20.40 +* 80k: 41.70 +* 160k: 81.63 +* 320k: 159.88 +* 640k: 318.84 +* 1280k: 651.47 +* 2560k: 1357.73 -Notice that it takes 607x, not 512x, more time to build the 5120k index than it takes to build the 10k index. In terms of time, the 10k index takes on average 0.5 ms per document while the 5120k index takes on average 0.59 ms per document. We show this graphically below. +Notice that it takes 305x, not 256x, more time to build the 2560k index than it takes to build the 10k index. In terms of time, the 10k index takes on average 0.45 ms per document while the 2560k index takes on average 0.53 ms per document. We show this graphically below. => xapian-index-building-scalability.svg |
