diff --git a/documentation/images/internal_architecture.jpg b/documentation/images/internal_architecture.jpg
deleted file mode 100644
index bc7c300a7..000000000
Binary files a/documentation/images/internal_architecture.jpg and /dev/null differ
diff --git a/documentation/images/internal_architecture.svg b/documentation/images/internal_architecture.svg
new file mode 100644
index 000000000..5948186a7
--- /dev/null
+++ b/documentation/images/internal_architecture.svg
@@ -0,0 +1,2 @@
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="766px" height="505px" version="1.1"><defs/><g transform="translate(0.5,0.5)"><rect x="0" y="64" width="660" height="440" fill="#f5f5f5" stroke="#b3b3b3" pointer-events="none"/><rect x="277.5" y="234" width="85" height="50" fill="#ffe6cc" stroke="#d79b00" pointer-events="none"/><g transform="translate(279.5,245.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Fanout Storage</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Fanout Storage</text></switch></g><path d="M 265 404 L 265 432.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 265 437.88 L 261.5 430.88 L 265 432.63 L 268.5 430.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(281.5,411.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="57" height="24" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">read/write<br />series data </div></div></foreignObject><text x="29" y="18" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><rect x="222.5" y="354" width="85" height="50" fill="#ffe6cc" stroke="#d79b00" pointer-events="none"/><g transform="translate(243.5,365.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="43" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 43px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Local<br />Storage</div></div></foreignObject><text x="22" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Local&lt;br&gt;Storage</text></switch></g><path d="M 247.5 445 C 247.5 437 282.5 437 282.5 445 L 282.5 463 C 282.5 471 247.5 471 247.5 463 Z" fill="#ffe6cc" stroke="#d79b00" stroke-miterlimit="10" pointer-events="none"/><path d="M 247.5 445 C 247.5 451 282.5 451 282.5 445" fill="none" stroke="#d79b00" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(254.5,451.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="21" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 23px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">disk</div></div></foreignObject><text x="11" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">disk</text></switch></g><path d="M 418 392 L 673.65 408.59" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 678.88 408.93 L 671.67 411.97 L 673.65 408.59 L 672.13 404.98 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(508.5,406.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="80" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">write series data</div></div></foreignObject><text x="40" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">write series data</text></switch></g><rect x="332.5" y="354" width="85" height="50" fill="#ffe6cc" stroke="#d79b00" pointer-events="none"/><g transform="translate(334.5,365.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Remote Storage</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Remote Storage</text></switch></g><path d="M 470 199 L 516.63 199" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 521.88 199 L 514.88 202.5 L 516.63 199 L 514.88 195.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(483.5,186.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="27" height="24" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">send<br />alerts</div></div></foreignObject><text x="14" y="18" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 449 224 L 449 272 L 369.37 272" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 364.12 272 L 371.12 268.5 L 369.37 272 L 371.12 275.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(382.5,278.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="94" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">append rule results</div></div></foreignObject><text x="47" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">append rule results</text></switch></g><rect x="385" y="174" width="85" height="50" fill="#dae8fc" stroke="#6c8ebf" pointer-events="none"/><g transform="translate(389.5,192.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="75" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 77px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Rule Manager</div></div></foreignObject><text x="38" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Rule Manager</text></switch></g><rect x="522.5" y="174" width="85" height="50" fill="#dae8fc" stroke="#6c8ebf" pointer-events="none"/><g transform="translate(545.5,192.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="39" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 39px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Notifier</div></div></foreignObject><text x="20" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Notifier</text></switch></g><path d="M 565 74 L 565 25 L 501.37 25" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 496.12 25 L 503.12 21.5 L 501.37 25 L 503.12 28.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(555.5,10.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="147" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;">discover Alertmanager targets</div></div></foreignObject><text x="74" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">discover Alertmanager targets</text></switch></g><rect x="522.5" y="74" width="85" height="50" fill="#e1d5e7" stroke="#9673a6" pointer-events="none"/><g transform="translate(524.5,85.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Notifier Discovery</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Notifier Discovery</text></switch></g><path d="M 565 124 L 565 167.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 565 172.88 L 561.5 165.88 L 565 167.63 L 568.5 165.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(576.5,130.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="66" height="37" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left">update</div><div style="text-align: left">Alertmanager</div><div style="text-align: left">targets</div></div></div></foreignObject><text x="33" y="24" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><rect x="680" y="174" width="85" height="50" fill="#f5f5f5" stroke="#666666" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(682.5,192.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="79" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 79px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Alertmanagers</div></div></foreignObject><text x="40" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Alertmanagers</text></switch></g><path d="M 608 199 L 673.63 199" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 678.88 199 L 671.88 202.5 L 673.63 199 L 671.88 195.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(630.5,186.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="27" height="24" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">send<br />alerts</div></div></foreignObject><text x="14" y="18" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 267.78 348.27 L 299 284" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 265.49 352.99 L 265.4 345.17 L 267.78 348.27 L 271.7 348.23 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(291.5,311.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="54" height="24" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: center"><span>read/write</span></div><div style="text-align: center"><span>series data</span></div></div></div></foreignObject><text x="27" y="18" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 372.22 348.27 L 341 284" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 374.51 352.99 L 368.3 348.23 L 372.22 348.27 L 374.6 345.17 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 278 174 L 205 174 L 205 56.37" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 205 51.12 L 208.5 58.12 L 205 56.37 L 201.5 58.12 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(162.5,141.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="35" height="24" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">scrape<br />metrics</div></div></foreignObject><text x="18" y="18" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><rect x="277.5" y="149" width="85" height="50" fill="#dae8fc" stroke="#6c8ebf" pointer-events="none"/><g transform="translate(279.5,160.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Scrape Manager</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Scrape Manager</text></switch></g><path d="M 320 199 L 320 227.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 320 232.88 L 316.5 225.88 L 320 227.63 L 323.5 225.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(273.5,204.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="44" height="24" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">append <br />samples </div></div></foreignObject><text x="22" y="18" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 320 124 L 320 142.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 320 147.88 L 316.5 140.88 L 320 142.63 L 323.5 140.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(333.5,133.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="106" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left">update scrape targets</div></div></div></foreignObject><text x="53" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 320 74 L 320 25 L 403.63 25" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 408.88 25 L 401.88 28.5 L 403.63 25 L 401.88 21.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(283.5,10.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="114" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;">discover scrape targets</div></div></foreignObject><text x="57" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">discover scrape targets</text></switch></g><rect x="277.5" y="74" width="85" height="50" fill="#e1d5e7" stroke="#9673a6" pointer-events="none"/><g transform="translate(279.5,85.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Scrape Discovery</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Scrape Discovery</text></switch></g><path d="M 410 224 L 410 247 L 369.37 247" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 364.12 247 L 371.12 243.5 L 369.37 247 L 371.12 250.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(383.5,253.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="28" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">query</div></div></foreignObject><text x="14" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">query</text></switch></g><rect x="385" y="209" width="50" height="15" fill="#fff2cc" stroke="#d6b656" pointer-events="none"/><g transform="translate(390.5,210.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="38" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 38px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><font style="font-size: 10px">PromQL</font></div></div></foreignObject><text x="19" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 418 367 L 673.65 349.44" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 678.88 349.08 L 672.14 353.05 L 673.65 349.44 L 671.66 346.06 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(508.5,343.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="79" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">read series data</div></div></foreignObject><text x="40" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">read series data</text></switch></g><rect x="680" y="324" width="85" height="50" fill="#f5f5f5" stroke="#666666" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(681.5,335.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Remote Read Endpoints<br /></div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Remote Read Endpoints&lt;br&gt;</text></switch></g><rect x="680" y="384" width="85" height="50" fill="#f5f5f5" stroke="#666666" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(681.5,395.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Remote Write Endpoints</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Remote Write Endpoints</text></switch></g><rect x="162.5" y="0" width="85" height="50" fill="#f5f5f5" stroke="#666666" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(185.5,18.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="39" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 41px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Targets</div></div></foreignObject><text x="20" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Targets</text></switch></g><rect x="410" y="0" width="85" height="50" fill="#f5f5f5" stroke="#666666" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(411.5,11.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Service Discovery</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Service Discovery</text></switch></g><path d="M 100 277 L 170.88 297.25" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="none"/><path d="M 175.93 298.69 L 168.23 300.14 L 170.88 297.25 L 170.16 293.4 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="15" y="251.5" width="85" height="50" fill="#dae8fc" stroke="#6c8ebf" pointer-events="none"/><g transform="translate(25.5,270.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="63" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 63px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Web API/UI</div></div></foreignObject><text x="32" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Web API/UI</text></switch></g><path d="M 100 259 L 271.63 259" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 276.88 259 L 269.88 262.5 L 271.63 259 L 269.88 255.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(174.5,244.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="28" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">query</div></div></foreignObject><text x="14" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">query</text></switch></g><rect x="50" y="251.5" width="50" height="15" fill="#fff2cc" stroke="#d6b656" pointer-events="none"/><g transform="translate(55.5,252.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="38" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 38px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><font style="font-size: 10px">PromQL</font></div></div></foreignObject><text x="19" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 100 392 L 176.98 331.92" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="none"/><path d="M 181.12 328.69 L 177.75 335.75 L 176.98 331.92 L 173.45 330.24 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="15" y="354" width="85" height="50" fill="#dae8fc" stroke="#6c8ebf" pointer-events="none"/><g transform="translate(16.5,365.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="81" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 81px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Reload Handler</div></div></foreignObject><text x="41" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Reload Handler</text></switch></g><path d="M 100 444 L 194.8 335.79" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="none"/><path d="M 198.26 331.84 L 196.28 339.41 L 194.8 335.79 L 191.02 334.8 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="15" y="419" width="85" height="50" fill="#dae8fc" stroke="#6c8ebf" pointer-events="none"/><g transform="translate(25.5,430.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="63" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 63px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Termination<br />Handler<br /></div></div></foreignObject><text x="32" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Termination&lt;br&gt;Handler&lt;br&gt;</text></switch></g><path d="M 193.75 286.5 C 174.75 286.5 170 306.5 185.2 310.5 C 170 319.3 187.1 338.5 199.45 330.5 C 208 346.5 236.5 346.5 246 330.5 C 265 330.5 265 314.5 253.13 306.5 C 265 290.5 246 274.5 229.38 282.5 C 217.5 270.5 198.5 270.5 193.75 286.5 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(182.5,293.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="69" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 71px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">(most other<br />components)<br /></div></div></foreignObject><text x="35" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><g transform="translate(118.5,345.5)rotate(-38,17,6)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="34" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 34px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">reload</div></div></foreignObject><text x="17" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">reload</text></switch></g><g transform="translate(132.5,386.5)rotate(-50,25.5,6)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="51" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 51px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">terminate<br /></div></div></foreignObject><text x="26" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">terminate&lt;br&gt;</text></switch></g><g transform="translate(106.5,291.5)rotate(15,32,6)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="64" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 64px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">view/control</div></div></foreignObject><text x="32" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">view/control</text></switch></g><path d="M 58 50 L 58 245.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 58 250.88 L 54.5 243.88 L 58 245.63 L 61.5 243.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(71.5,138.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="58" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">view/control</div></div></foreignObject><text x="29" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">view/control</text></switch></g><rect x="15" y="0" width="85" height="50" fill="#f5f5f5" stroke="#666666" stroke-dasharray="3 3" pointer-events="none"/><g transform="translate(24.5,18.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="65" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 65px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Web Clients</div></div></foreignObject><text x="33" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">Web Clients</text></switch></g><g transform="translate(544.5,487.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="110" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 112px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><b>Prometheus Server</b></div></div></foreignObject><text x="55" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">&lt;b&gt;Prometheus Server&lt;/b&gt;</text></switch></g></g></svg>
\ No newline at end of file
diff --git a/documentation/images/internal_architecture.xml b/documentation/images/internal_architecture.xml
new file mode 100644
index 000000000..4541c1c97
--- /dev/null
+++ b/documentation/images/internal_architecture.xml
@@ -0,0 +1 @@
+<mxfile userAgent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36" version="8.9.7" editor="www.draw.io" type="device"><diagram id="c3b11993-33a7-00b8-ccb4-a56210581db2" name="Page-1">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</diagram></mxfile>
\ No newline at end of file
diff --git a/documentation/internal_architecture.md b/documentation/internal_architecture.md
index 8b0f5d07f..dfa572065 100644
--- a/documentation/internal_architecture.md
+++ b/documentation/internal_architecture.md
@@ -4,7 +4,9 @@ The Prometheus server consists of many internal components that work together in
 
 The overall Prometheus server architecture is shown in this diagram:
 
-![Prometheus server architecture](images/internal_architecture.jpg)
+![Prometheus server architecture](images/internal_architecture.svg)
+
+**NOTE**: Arrows indicate request or connection initiation direction, not necessarily dataflow direction.
 
 The sections below will explain each component in the diagram. Code links and explanations are based on Prometheus version 2.3.1. Future Prometheus versions may differ.