Add week 9 materials
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<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="249px" preserveAspectRatio="none" style="width:699px;height:249px;background:#FFFFFF;" version="1.1" viewBox="0 0 699 249" width="699px" zoomAndPan="magnify"><defs/><g><g id="elem_Client"><rect fill="#F1F1F1" height="21.6094" style="stroke:#181818;stroke-width:0.5;" width="50" x="7" y="49"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="36" x="14" y="65.5332">Client</text></g><g id="elem_KVStore"><rect fill="#F1F1F1" height="21.6094" style="stroke:#181818;stroke-width:0.5;" width="66" x="271.5" y="49"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="52" x="278.5" y="65.5332">KVStore</text></g><g id="elem_Log"><rect fill="#F1F1F1" height="108.0469" style="stroke:#181818;stroke-width:0.5;" width="139" x="235" y="134"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="24" x="292.5" y="150.5332">Log</text><line style="stroke:#181818;stroke-width:1.0;" x1="235" x2="374" y1="155.6094" y2="155.6094"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="8" x="240" y="172.1426">1</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="111" x="258" y="172.1426">Set(key1, value1)</text><line style="stroke:#181818;stroke-width:1.0;" x1="253" x2="253" y1="155.6094" y2="177.2188"/><line style="stroke:#181818;stroke-width:1.0;" x1="235" x2="374" y1="177.2188" y2="177.2188"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="8" x="240" y="193.752">2</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="111" x="258" y="193.752">Set(key2, value4)</text><line style="stroke:#181818;stroke-width:1.0;" x1="253" x2="253" y1="177.2188" y2="198.8281"/><line style="stroke:#181818;stroke-width:1.0;" x1="235" x2="374" y1="198.8281" y2="198.8281"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="8" x="240" y="215.3613">3</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="111" x="258" y="215.3613">Set(key3, value3)</text><line style="stroke:#181818;stroke-width:1.0;" x1="253" x2="253" y1="198.8281" y2="220.4375"/><line style="stroke:#181818;stroke-width:1.0;" x1="235" x2="374" y1="220.4375" y2="220.4375"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="8" x="240" y="236.9707">4</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="111" x="258" y="236.9707">Set(key4, value4)</text><line style="stroke:#181818;stroke-width:1.0;" x1="253" x2="253" y1="220.4375" y2="242.0469"/></g><g id="elem_GMN149"><path d="M565,165 L565,182.5 L382.22,186.5 L565,190.5 L565,207.7031 A0,0 0 0 0 565,207.7031 L692,207.7031 A0,0 0 0 0 692,207.7031 L692,175 L682,165 L565,165 A0,0 0 0 0 565,165 " fill="#F7F8FE" style="stroke:#181818;stroke-width:0.5;"/><path d="M682,165 L682,175 L692,175 L682,165 " fill="#F7F8FE" style="stroke:#181818;stroke-width:0.5;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="97" x="571" y="183.4951">Write Ahead Log</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="106" x="571" y="199.8467">/var/log/wal000.log</text></g><g id="elem_Storage"><rect fill="#F1F1F1" height="108.0469" style="stroke:#181818;stroke-width:0.5;" width="92" x="582.5" y="7"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="50" x="603.5" y="23.5332">Storage</text><line style="stroke:#181818;stroke-width:1.0;" x1="582.5" x2="674.5" y1="28.6094" y2="28.6094"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="30" x="587.5" y="45.1426">key1</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="42" x="627.5" y="45.1426">value1</text><line style="stroke:#181818;stroke-width:1.0;" x1="622.5" x2="622.5" y1="28.6094" y2="50.2188"/><line style="stroke:#181818;stroke-width:1.0;" x1="582.5" x2="674.5" y1="50.2188" y2="50.2188"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="30" x="587.5" y="66.752">key2</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="42" x="627.5" y="66.752">value2</text><line style="stroke:#181818;stroke-width:1.0;" x1="622.5" x2="622.5" y1="50.2188" y2="71.8281"/><line style="stroke:#181818;stroke-width:1.0;" x1="582.5" x2="674.5" y1="71.8281" y2="71.8281"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" texLine truncated
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link Client to KVStore--><g id="link_Client_KVStore"><path codeLine="36" d="M65.09,59.5 C112.95,59.5 203.23,59.5 257.92,59.5 " fill="none" id="Client-to-KVStore" style="stroke:#070D4A;stroke-width:1.0;"/><polygon fill="#070D4A" points="263.1,59.5,254.1,55.5,258.1,59.5,254.1,63.5,263.1,59.5" style="stroke:#070D4A;stroke-width:1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="100" x="96" y="55.9951">Set(key4, value4)</text></g><!--MD5=[d15b131dd1a0d42a2b4e7ff26cddba69]
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link KVStore to Log--><g id="link_KVStore_Log"><path codeLine="37" d="M304.5,77.7 C304.5,90.1 304.5,107.32 304.5,124.4 " fill="none" id="KVStore-to-Log" style="stroke:#070D4A;stroke-width:1.0;"/><polygon fill="#070D4A" points="304.5,129.69,308.5,120.69,304.5,124.69,300.5,120.69,304.5,129.69" style="stroke:#070D4A;stroke-width:1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="59" x="263" y="109.2451">1. Append</text></g><!--MD5=[937f200f8032e7ed6e8781237a59e151]
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link KVStore to Storage--><g id="link_KVStore_Storage"><path codeLine="38" d="M345.63,59.5 C401.79,59.5 504.2,59.5 568.9,59.5 " fill="none" id="KVStore-to-Storage" style="stroke:#070D4A;stroke-width:1.0;"/><polygon fill="#070D4A" points="574.26,59.5,565.26,55.5,569.26,59.5,565.26,63.5,574.26,59.5" style="stroke:#070D4A;stroke-width:1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="413" y="55.9951">2. Set(Key4, Value4)</text></g><!--MD5=[5ce81b978b9f5bd89690ef5bf57354bc]
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@startuml
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left to right direction
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!include ../style.puml
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map Client {
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}
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map KVStore {
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}
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map Log {
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1=>Set(key1, value1)
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2=>Set(key2, value4)
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3=>Set(key3, value3)
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4=>Set(key4, value4)
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}
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note right of Log
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Write Ahead Log
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/var/log/wal000.log
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end note
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map Storage {
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key1=>value1
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key2=>value2
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key3=>value3
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key4=>value4
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}
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Client - -> KVStore: Set(key4, value4)
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KVStore -r-> Log: 1. Append
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KVStore -d-> Storage: 2. Set(Key4, Value4)
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@enduml
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@startuml
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left to right direction
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skinparam shadowing false
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skinparam sequenceParticipant{
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BackgroundColor #F7F8FE
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BorderColor #070D4A
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}
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skinparam sequenceLifeLine {
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BackgroundColor #F7F8FE
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BorderColor #070D4A
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}
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skinparam sequence {
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ArrowColor #070D4A
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}
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skinparam Note {
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BackgroundColor #F7F8FE
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BorderColor #070D4A
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}
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skinparam Node {
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BackgroundColor #F7F8FE
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BorderColor #070D4A
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}
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skinparam object {
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BackgroundColor #F7F8FE
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BorderColor #070D4A
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}
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skinparam actor {
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BackgroundColor #F7F8FE
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BorderColor #070D4A
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}
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hide footbox
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map Client {
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}
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map KVStore {
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}
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map Log {
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1=>Set(key1, value1)
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2=>Set(key2, value4)
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3=>Set(key3, value3)
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4=>Set(key4, value4)
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}
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note right of Log
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Write Ahead Log
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/var/log/wal000.log
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end note
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map Storage {
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key1=>value1
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key2=>value2
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key3=>value3
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key4=>value4
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}
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Client - -> KVStore: Set(key4, value4)
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KVStore -r-> Log: 1. Append
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KVStore -d-> Storage: 2. Set(Key4, Value4)
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@enduml
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PlantUML version 1.2022.6(Tue Jun 21 14:34:49 ADT 2022)
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(GPL source distribution)
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Java Runtime: Java(TM) SE Runtime Environment
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JVM: Java HotSpot(TM) 64-Bit Server VM
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Default Encoding: UTF-8
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Language: en
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Country: CA
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--></g></svg>
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|
After Width: | Height: | Size: 8.8 KiB |
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