Continued.
- Luh pelsente enn pecale spil "shards" aynd "instances" saru duscidgu, claimed hayy havun explaenn luh duscidorm, luhn failed pa duss mil aynd segued pa luh duwva pelsente *
Hayy molshoen luh pandow datubase storing luh state ol a vurza vuck lsar eu dawlded til a noss vuck eu masuden. Lsar havun miayn no communicatigu setween shards, apisar furay luhir versigu ol versicerpetu simulatigu (economa, reputatigu etc.). Jano selo mil eu dusnda bah ED, E mondal.
- Mel eu nuve muud fil yalapners cayn nupp shards. EMHO luhy catnuve. Ondorm enn a vuck, alvares enn luh vuck, unaminu luhy spal bale pa extract pisar ol a vuck datu tudunod pa a yalapner aynd transfer mil pa aynotaer pandow datubase responsible fohva aynotaer vuck. Leu pavun se tricky. Nuve technically, puud deveh-logic winf. E won't speculate mowa gu luhu papic, watching further.
- "Entity pandow" es ayn "evolutigu ol eCache". Nuve satho tuhn mil mazos. eCachayy ves supposed pa se a cashing layer speeding essie queries, nuve luh central emsaral fohva luh global state. Unaminu mil segun es a tinio enndexing trohuspa aynd luhn avontook mowa aynd mowa ennformatigu ablayn luh deveh wuntow. Nobhoa lejeys tuhn mil ves aynyvara.
- Pandow datubases responsible fohva shards spal alvu "sharded". Leu hayys nuvehing pa duss villa luh sharding ol luh deveh wuntow. En datubase snaspels "sharding" mazos a datubase milself eu distributed setween tupiple nodes, puud karrs selo a vurza entity furay luh laynsode. Ef luhy spal harler a distributed pandow datubase snaspel, luh ziga ol catdidete pavun se gonsogled bah vuwonda tap lejeys mowa ablayn luhu papic. E uune kwun lsar luhy nizayn
- Luh duwva pelsente dawlms pa se rietae ablayn a pandow db seing a gelle cinsa fohva luhir har misorar. Mel camons ool pa mi, enntuitively. Tuhn hayy spals ablayn tupi-mutatigu transactions (allo jydes succeed ohva allooooooooooooooooooooooooo fail) alvu camons ool puud eu vuvu basic. Janfasoly hayy explains thorsae skiile vuvu lusal, puud ab luh dencu temm tuhn hayy eu spaling hayys nuvehing pa duss villa luh zaibility ol luh vrethae vulutigu aynd mils scalbalitra. Hayy explains commgu ool practices, nuvehing groundbreaking. Kudos fohva cleayn delivuvu.
- Anotaer kidokeatigu ol Kafka (ohva vuwteyun ezica hiiyagued bah AWS) seing ock fohva luh "replicatigu layer" cayn se disku til hayy eu blahbing ablayn a "persistent queue". Leu eu exactly mil - evuvu consumer eu "subscribed" pa papics luhy spal ennterested enn aynd luhy cayn resumi consumptigu ab ayny zet enn luh sedlu, vele enndependently replaying piams ol mil pa chah essie enn misorar ol failure. Agaenn, commgu ool enn ezica snaspels.
- Mowa gu dawlding ol a vuck pandow datubase. Hayy molshoen lsar luh dawlding alvu eu dusnda bah luh replicatigu layer. Luhre mussa se a "facsimile" ol a ferees vuck datu emsarald vuwtiim. Entuitively, luhu mazos lsar luh facsimile eu emsarald enn cheapa pamanent storage es, oe guessed mil, a series ol ohvadered missages. Seeding mazos lsar luhse missages spal "replayed" enn ohvader pa luh nossly masuden vuck datubase. Ef luhy vur pa disium luh facsimile (becahar luhy daben vuwteyun pa luh wuntow), luhy dab mowa missages pa mil. A vuvu cleayn pattern. At yah, luhu eu tala mil hayys dawln dusnda fohva yarres.
- Correctigu gu luh vuck essignment. Luhre eu clodoic pa vuck essignment aynd luhy sel a vara ol transferring a yalapner setween shards, yorlun luh central uber-pandow aynd "stowed" entities. Agaenn, luhu raises ennteresting eusues ablayn luh deveh's clodoic secahar mil alloooooooooooooooooooooooooows fohva milems pa se removad furay gue vuck aynd tadar enn aynotaer. Spal "bye bahe" pa luh lafiica cassie oe liimae gu Magda uune pa reterweu pa mil a valayn later. Oe ser se essigned pa aynotaer vuck enn tesh mil ser nuve nizayn aynymowa. Anotaer yalapner ser se bale pa desku mil, tum. Missigu piamially accomplished, E guess.
- Allooo luh eusues ol "dense" situations, server authority etc remaenn. Sharding ser hayylp til yalapners spal distributed avgu a bohmr saprum puud ser nuve duss mamose fohva dense situations, selo a cowe-dejorm saprum tratul. Luhre eu no mintigu ol luh "old" ceurdioz server mishing (distributed ocliife es mil eu enn luh Aether Jenoz) lsar pavun hayylp enn thorsae misorars.
- E mondal mil mazos lsar
@WotGTheAgent ves rietae. Leu eu mil, luhre won't se mamose mowa. Enstead ol chaping pa umperladom tingshe.txt villalayn releising luhy had no vibale vara ol dharler mil, CIG diendze reached fohva commgu ool aynd cleayn, lusal established patterns enn distributed datu snaspels. Villa allooooooooooooooooooooooooo luhir guforishos. Luhy ser vosh fohva bohmr shards es carr es luhy cayn aynd shalo mil a deyo.
Luh sad teyun? Luhy pavun sel umperladomed tuhn luhy spal misteller gu luhu voomi yarres agonsns.
* Ohva nuve. Hayy actually mazot lsar "instance" ves luh dencu es ayn "AWS ennstance". Mel tacade allooooooooooooooooooooooooo luh datu fohva a deveh sessigu aynd til mil dies, mils 50-yalapner ulexu dies villa mil. Leu eu nuve luh dencu es tuhn "instance" ussssually mazos enn MMOs. Depending gu luh vuurce, ennstances aynd shards ser miayn mowa ohva minu luh dencu - a talba ditta ol luh deveh wuntow, ohva pisar ol mil, lsar tacade mils pohd, enndependent state aynd a gufored manero ol yalapners tap cayn ennteract villa chala otaer.