trAvis - MANAGER

Edit File: cache_req_fsm.svg

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<title>cache_req_fsm</title>
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<g id="node1" class="node"><title>acceptor</title>
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<text text-anchor="middle" x="311" y="-1204.8" font-family="Times,serif" font-size="14.00">Request received</text>
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<g id="node5" class="node"><title>recv</title>
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<text text-anchor="middle" x="497.5" y="-1109.3" font-family="Times,serif" font-size="14.00">vcl_recv{}</text>
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<text text-anchor="middle" x="618.5" y="-1086.3" font-family="Times,serif" font-size="14.00">synth</text>
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<text text-anchor="middle" x="658" y="-1086.3" font-family="Times,serif" font-size="14.00">vcl</text>
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<g id="edge2" class="edge"><title>acceptor&#45;&gt;recv</title>
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<g id="node2" class="node"><title>label_select</title>
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<text text-anchor="middle" x="483" y="-1204.8" font-family="Times,serif" font-size="14.00">Label selected</text>
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<g id="edge3" class="edge"><title>label_select&#45;&gt;recv</title>
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<g id="node3" class="node"><title>ESI_REQ</title>
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<text text-anchor="middle" x="632" y="-1204.8" font-family="Times,serif" font-size="14.00">ESI request</text>
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<g id="edge1" class="edge"><title>ESI_REQ&#45;&gt;recv</title>
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<g id="node4" class="node"><title>RESTART</title>
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<g id="node24" class="node"><title>restart</title>
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<text text-anchor="middle" x="728" y="-1193.3" font-family="Times,serif" font-size="14.00" fill="grey">ok?</text>
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<g id="edge29" class="edge"><title>RESTART&#45;&gt;restart</title>
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<g id="node26" class="node"><title>hash</title>
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<text text-anchor="middle" x="513" y="-1025.3" font-family="Times,serif" font-size="14.00">cnt_recv:</text>
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<text text-anchor="middle" x="491" y="-1002.3" font-family="Times,serif" font-size="14.00">vcl_hash{}</text>
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<text text-anchor="middle" x="513" y="-979.3" font-family="Times,serif" font-size="14.00">lookup</text>
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<g id="edge32" class="edge"><title>recv:hash&#45;&gt;hash</title>
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<g id="edge33" class="edge"><title>recv:pipe&#45;&gt;hash</title>
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<g id="edge34" class="edge"><title>recv:pass&#45;&gt;hash</title>
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<g id="edge39" class="edge"><title>recv:purge:s&#45;&gt;hash</title>
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<g id="node28" class="node"><title>vcl_label</title>
<text text-anchor="middle" x="658" y="-1002.3" font-family="Times,serif" font-size="14.00">LABEL</text>
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<g id="edge40" class="edge"><title>recv:vcl:s&#45;&gt;vcl_label</title>
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<g id="node6" class="node"><title>SYNTH</title>
<text text-anchor="middle" x="388" y="-313.3" font-family="Times,serif" font-size="14.00">SYNTH</text>
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<g id="node12" class="node"><title>synth</title>
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<text text-anchor="middle" x="388" y="-234.8" font-family="Times,serif" font-size="14.00">cnt_synth:</text>
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<text text-anchor="middle" x="422" y="-165.8" font-family="Times,serif" font-size="14.00">restart</text>
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<g id="edge9" class="edge"><title>SYNTH&#45;&gt;synth</title>
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<polygon fill="purple" stroke="purple" points="391.5,-260.468 388,-250.468 384.5,-260.468 391.5,-260.468"/>
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<g id="node7" class="node"><title>LABEL</title>
<text text-anchor="middle" x="861" y="-1283.3" font-family="Times,serif" font-size="14.00">LABEL</text>
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<g id="node8" class="node"><title>deliver</title>
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<text text-anchor="middle" x="174.5" y="-177.3" font-family="Times,serif" font-size="14.00">resp.*</text>
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<text text-anchor="middle" x="77" y="-154.3" font-family="Times,serif" font-size="14.00">restart</text>
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<text text-anchor="middle" x="129" y="-154.3" font-family="Times,serif" font-size="14.00">deliver</text>
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<text text-anchor="middle" x="179" y="-154.3" font-family="Times,serif" font-size="14.00">synth</text>
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<g id="node9" class="node"><title>V1D_Deliver</title>
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<text text-anchor="middle" x="218" y="-87.3" font-family="Times,serif" font-size="14.00">V1D_Deliver</text>
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<g id="edge4" class="edge"><title>deliver:deliver:s&#45;&gt;V1D_Deliver</title>
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<g id="edge5" class="edge"><title>deliver:deliver:s&#45;&gt;V1D_Deliver</title>
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<g id="edge6" class="edge"><title>deliver:deliver:s&#45;&gt;V1D_Deliver</title>
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<g id="node11" class="node"><title>DONE</title>
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<g id="edge8" class="edge"><title>V1D_Deliver&#45;&gt;DONE</title>
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<g id="node10" class="node"><title>stream</title>
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<text text-anchor="middle" x="262" y="-192.8" font-family="Times,serif" font-size="14.00">body</text>
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<g id="edge7" class="edge"><title>stream&#45;&gt;V1D_Deliver</title>
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<g id="edge10" class="edge"><title>synth:del:s&#45;&gt;V1D_Deliver</title>
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<g id="node13" class="node"><title>see backend graph</title>
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<g id="node14" class="node"><title>BGFETCH</title>
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<g id="node15" class="node"><title>FETCH</title>
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<text text-anchor="middle" x="154" y="-386.3" font-family="Times,serif" font-size="14.00">FETCH</text>
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<g id="node16" class="node"><title>FETCH_DONE</title>
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<text text-anchor="middle" x="127" y="-313.3" font-family="Times,serif" font-size="14.00">FETCH_DONE</text>
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<g id="edge15" class="edge"><title>FETCH&#45;&gt;FETCH_DONE</title>
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<g id="node17" class="node"><title>FETCH_FAIL</title>
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<text text-anchor="middle" x="268" y="-313.3" font-family="Times,serif" font-size="14.00">FETCH_FAIL</text>
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<g id="edge16" class="edge"><title>FETCH&#45;&gt;FETCH_FAIL</title>
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<g id="edge13" class="edge"><title>FETCH_DONE&#45;&gt;deliver</title>
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<g id="edge14" class="edge"><title>FETCH_DONE&#45;&gt;deliver</title>
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<g id="edge12" class="edge"><title>FETCH_FAIL&#45;&gt;synth</title>
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<g id="node18" class="node"><title>lookup2</title>
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<text text-anchor="middle" x="128" y="-765.3" font-family="Times,serif" font-size="14.00">cnt_lookup:</text>
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<text text-anchor="middle" x="76" y="-730.8" font-family="Times,serif" font-size="14.00">vcl_hit{}</text>
<polyline fill="none" stroke="black" points="140,-711.5 140,-757.5 "/>
<text text-anchor="middle" x="192" y="-742.3" font-family="Times,serif" font-size="14.00">req.*</text>
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<text text-anchor="middle" x="192" y="-719.3" font-family="Times,serif" font-size="14.00">obj.*</text>
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<text text-anchor="middle" x="39" y="-696.3" font-family="Times,serif" font-size="14.00">deliver</text>
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<text text-anchor="middle" x="87" y="-696.3" font-family="Times,serif" font-size="14.00">miss</text>
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<text text-anchor="middle" x="133" y="-696.3" font-family="Times,serif" font-size="14.00">restart</text>
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<text text-anchor="middle" x="181" y="-696.3" font-family="Times,serif" font-size="14.00">synth</text>
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<text text-anchor="middle" x="224" y="-696.3" font-family="Times,serif" font-size="14.00">pass</text>
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<g id="edge21" class="edge"><title>lookup2:deliver:s&#45;&gt;deliver:n</title>
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<g id="edge11" class="edge"><title>lookup2:deliver:s&#45;&gt;BGFETCH</title>
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<text text-anchor="middle" x="75" y="-551.8" font-family="Times,serif" font-size="14.00">parallel</text>
<text text-anchor="middle" x="75" y="-536.8" font-family="Times,serif" font-size="14.00">if obj expired</text>
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<g id="node20" class="node"><title>miss</title>
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<text text-anchor="middle" x="156" y="-635.3" font-family="Times,serif" font-size="14.00">cnt_miss:</text>
<polyline fill="none" stroke="black" points="66,-627.5 246,-627.5 "/>
<text text-anchor="middle" x="119.5" y="-612.3" font-family="Times,serif" font-size="14.00">vcl_miss{}</text>
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<text text-anchor="middle" x="209.5" y="-612.3" font-family="Times,serif" font-size="14.00">req.*</text>
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<text text-anchor="middle" x="88" y="-589.3" font-family="Times,serif" font-size="14.00">fetch</text>
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<text text-anchor="middle" x="133" y="-589.3" font-family="Times,serif" font-size="14.00">synth</text>
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<text text-anchor="middle" x="181" y="-589.3" font-family="Times,serif" font-size="14.00">restart</text>
<polyline fill="none" stroke="black" points="206,-581.5 206,-604.5 "/>
<text text-anchor="middle" x="226" y="-589.3" font-family="Times,serif" font-size="14.00">pass</text>
</g>

<g id="edge22" class="edge"><title>lookup2:miss:s&#45;&gt;miss</title>
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<polygon fill="blue" stroke="blue" stroke-width="2" points="100.599,-660.416 104.412,-650.531 95.2668,-655.881 100.599,-660.416"/>
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<g id="node21" class="node"><title>pass</title>
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<text text-anchor="middle" x="274" y="-499.3" font-family="Times,serif" font-size="14.00">cnt_pass:</text>
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<text text-anchor="middle" x="247" y="-476.3" font-family="Times,serif" font-size="14.00">vcl_pass{}</text>
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<text text-anchor="middle" x="317" y="-476.3" font-family="Times,serif" font-size="14.00">req.*</text>
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<text text-anchor="middle" x="226" y="-453.3" font-family="Times,serif" font-size="14.00">fetch</text>
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<text text-anchor="middle" x="271" y="-453.3" font-family="Times,serif" font-size="14.00">synth</text>
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<text text-anchor="middle" x="319" y="-453.3" font-family="Times,serif" font-size="14.00">restart</text>
</g>

<g id="edge23" class="edge"><title>lookup2:pass:s&#45;&gt;pass</title>
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<polygon fill="red" stroke="red" stroke-width="2" points="279.441,-524.678 275.846,-514.712 272.441,-524.745 279.441,-524.678"/>
</g>

<g id="node19" class="node"><title>lookup</title>
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<text text-anchor="middle" x="219" y="-895.3" font-family="Times,serif" font-size="14.00" fill="grey">cnt_lookup:</text>
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<text text-anchor="middle" x="219" y="-872.3" font-family="Times,serif" font-size="14.00" fill="grey">hash lookup</text>
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<text text-anchor="middle" x="171" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">miss?</text>
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<text text-anchor="middle" x="237.5" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">hit&#45;for&#45;pass?</text>
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<text text-anchor="middle" x="304" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">busy?</text>
</g>

<g id="edge20" class="edge"><title>lookup:h:s&#45;&gt;lookup2</title>
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<polygon fill="green" stroke="green" stroke-width="2" points="131.5,-790.507 128,-780.507 124.5,-790.507 131.5,-790.507"/>
</g>

<g id="edge17" class="edge"><title>lookup:busy:e&#45;&gt;lookup:top:e</title>
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<polygon fill="grey" stroke="grey" points="335.515,-906.469 328,-899 329.217,-909.525 335.515,-906.469"/>
<text text-anchor="middle" x="379.5" y="-872.3" font-family="Times,serif" font-size="14.00" fill="grey">(waitinglist)</text>
</g>

<g id="edge18" class="edge"><title>lookup:miss:s&#45;&gt;miss</title>
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</g>

<g id="edge19" class="edge"><title>lookup:hfp:s&#45;&gt;pass</title>
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</g>

<g id="edge24" class="edge"><title>miss:fetch:s&#45;&gt;FETCH</title>
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<polygon fill="blue" stroke="blue" stroke-width="2" points="157.693,-418.125 154.359,-408.068 150.694,-418.008 157.693,-418.125"/>
</g>

<g id="edge25" class="edge"><title>miss:pass:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M226,-581C226,-561.014 233.889,-540.798 243.27,-523.823"/>
<polygon fill="red" stroke="red" stroke-width="2" points="246.553,-525.144 248.594,-514.748 240.515,-521.602 246.553,-525.144"/>
</g>

<g id="edge26" class="edge"><title>pass:fetch:s&#45;&gt;FETCH</title>
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<polygon fill="red" stroke="red" stroke-width="2" points="194.073,-408.908 183.701,-406.745 190.46,-414.904 194.073,-408.908"/>
</g>

<g id="node22" class="node"><title>pipe</title>
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<text text-anchor="middle" x="698" y="-918.3" font-family="Times,serif" font-size="14.00">cnt_pipe:</text>
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<text text-anchor="middle" x="698" y="-895.3" font-family="Times,serif" font-size="14.00">filter req.*&#45;&gt;bereq.*</text>
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<text text-anchor="middle" x="669.5" y="-860.8" font-family="Times,serif" font-size="14.00">vcl_pipe{}</text>
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<text text-anchor="middle" x="736.5" y="-872.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="708,-864.5 765,-864.5 "/>
<text text-anchor="middle" x="736.5" y="-849.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="631,-841.5 765,-841.5 "/>
<text text-anchor="middle" x="663" y="-826.3" font-family="Times,serif" font-size="14.00">pipe</text>
<polyline fill="none" stroke="black" points="695,-818.5 695,-841.5 "/>
<text text-anchor="middle" x="730" y="-826.3" font-family="Times,serif" font-size="14.00">synth</text>
</g>

<g id="node23" class="node"><title>pipe_do</title>
<ellipse fill="none" stroke="black" cx="710" cy="-734.5" rx="95.4188" ry="26.7407"/>
<text text-anchor="middle" x="710" y="-738.3" font-family="Times,serif" font-size="14.00">send bereq,</text>
<text text-anchor="middle" x="710" y="-723.3" font-family="Times,serif" font-size="14.00">copy bytes until close</text>
</g>

<g id="edge27" class="edge"><title>pipe:pipe&#45;&gt;pipe_do</title>
<path fill="none" stroke="orange" stroke-width="2" d="M663,-818C663,-800.39 671.184,-783.111 680.723,-768.953"/>
<polygon fill="orange" stroke="orange" stroke-width="2" points="683.761,-770.724 686.775,-760.566 678.085,-766.627 683.761,-770.724"/>
</g>

<g id="edge28" class="edge"><title>pipe_do&#45;&gt;DONE</title>
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</g>

<g id="edge30" class="edge"><title>restart:ok:s&#45;&gt;recv</title>
<path fill="none" stroke="black" d="M728,-1185C728,-1157.58 709.471,-1140.47 684.403,-1129.87"/>
<polygon fill="black" stroke="black" points="685.485,-1126.53 674.894,-1126.25 682.996,-1133.08 685.485,-1126.53"/>
</g>

<g id="node25" class="node"><title>err_restart</title>
<text text-anchor="middle" x="792" y="-1109.3" font-family="Times,serif" font-size="14.00">SYNTH</text>
</g>

<g id="edge31" class="edge"><title>restart:max:s&#45;&gt;err_restart</title>
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<polygon fill="purple" stroke="purple" points="795.5,-1141.22 792,-1131.22 788.5,-1141.22 795.5,-1141.22"/>
</g>

<g id="edge35" class="edge"><title>hash:lookup:w&#45;&gt;lookup</title>
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<polygon fill="green" stroke="green" stroke-width="2" points="272.75,-913.279 262.515,-910.539 268.807,-919.063 272.75,-913.279"/>
</g>

<g id="edge37" class="edge"><title>hash:lookup:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M513,-971C513,-941.539 550.166,-957.45 568,-934 584.165,-912.745 587,-903.704 587,-877 587,-877 587,-877 587,-615 587,-513.87 447.204,-488.063 354.465,-482.069"/>
<polygon fill="red" stroke="red" stroke-width="2" points="354.429,-478.561 344.243,-481.475 354.024,-485.549 354.429,-478.561"/>
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<g id="edge38" class="edge"><title>hash:lookup:e&#45;&gt;pipe</title>
<path fill="none" stroke="orange" stroke-width="2" d="M575,-983C605.899,-983 632.887,-963.568 653.648,-941.344"/>
<polygon fill="orange" stroke="orange" stroke-width="2" points="656.401,-943.516 660.447,-933.724 651.178,-938.855 656.401,-943.516"/>
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<g id="node27" class="node"><title>purge</title>
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<text text-anchor="middle" x="495" y="-895.3" font-family="Times,serif" font-size="14.00">cnt_purge:</text>
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<text text-anchor="middle" x="473" y="-872.3" font-family="Times,serif" font-size="14.00">vcl_purge{}</text>
<polyline fill="none" stroke="black" points="515,-864.5 515,-887.5 "/>
<text text-anchor="middle" x="537" y="-872.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="431,-864.5 559,-864.5 "/>
<text text-anchor="middle" x="462" y="-849.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="493,-841.5 493,-864.5 "/>
<text text-anchor="middle" x="526" y="-849.3" font-family="Times,serif" font-size="14.00">restart</text>
</g>

<g id="edge36" class="edge"><title>hash:lookup:s&#45;&gt;purge:top:n</title>
<path fill="none" stroke="purple" stroke-width="2" d="M513,-971C513,-947.333 499.585,-940.99 495.917,-922.06"/>
<polygon fill="purple" stroke="purple" stroke-width="2" points="499.394,-921.641 495,-912 492.423,-922.277 499.394,-921.641"/>
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