
GitHub aswan huk plataformallamanta waqaychasqakuna quypaq —huk ancha escalable rakisqa sistema kan mayqinchus sapa p'unchaw millones ruwanakuna ruwan. git tanqay mañakuykunata allinta llamk'achiyta willakuypa chiqan kayninkunata allinta yupaykama, GitHub sinchi algoritmokuna chaymanta arquitectura kaqpi hapirin hatun ruwayta chaymanta atiyniyuq kayta qhawanapaq.
Kay qillqa imayna GitHub hatun willayta ruwan, millonnintin ruwanakuna ruwanapaq escalakunata ruwan chaymanta diff algoritmokuna llamk'achin willañiqi tikraykunata allinta qatinanpaq. Qillqaqa JavaScript ruwanakuna detallada kaqtapas churan chaymanta algoritmos centrales kaqmanta llamk'achisqa laya kamachiy sistemakunapi.
Kunan pacha laya kamachiy sistemakuna achka llalliq sasachakuykunawan ruwananku tiyan:
Kay kamachiykunaqa manam GitHub kaqllachu. Chayhina arquitecturakuna chaymanta algoritmokuna GitLab kaqpi, Bitbucket kaqpi chaymanta wak plataformakunapi llamk'achkanku mayqinkunachus laya kamachiyta escala kaqpi ruwanku.
Huk willañiqipi tikraykunata qatispa, GitHub (hinallataq kikin Git) diff algoritmokunata llamk'achin, aswan pisi yupay llamk'achiyta yupanapaq, huk willañiqip huk laya layaman huk layaman tikranapaq. Chaypaqqa ancha llamk'achisqa algoritmoqa Myerspa Diff Algorithm nisqa.
Myerspa algoritmonqa tarinmi aswan pisi qatiqnin churaykunata chaymanta qulluykunata huk willañiqita huk willañiqiman tikranapaq. Llamkanmi kuti-kutirispa atikuq allichay karukuna (d) kaqnintakama chaymanta atikuq tikraykunata yupaspa “diagonales” nisqawan allichay grafico nisqapi.
/** * Computes the minimum edit distance between two arrays using Myers' Diff Algorithm. * @param {Array} a - The original array (eg, characters of a file) * @param {Array} b - The modified array * @returns {number} The minimum number of edit operations required */ function myersDiff(a, b) { const N = a.length; const M = b.length; const maxD = N + M; let v = { 1: 0 }; for (let d = 0; d <= maxD; d++) { for (let k = -d; k <= d; k += 2) { let x; if (k === -d || (k !== d && (v[k - 1] || 0) < (v[k + 1] || 0))) { x = v[k + 1] || 0; } else { x = (v[k - 1] || 0) + 1; } let y = x - k; while (x < N && y < M && a[x] === b[y]) { x++; y++; } v[k] = x; if (x >= N && y >= M) { return d; } } } return maxD; } // Example usage: const oldVersion = Array.from("Hello World"); const newVersion = Array.from("Hello GitHub World"); const operations = myersDiff(oldVersion, newVersion); console.log(`Minimum number of edits: ${operations}`);
Código nisqap rakiynin:
Qallariy: Algoritmoqa huk matriz v nisqatam qallarichin, sapa diagonalpaq aswan x chanikunata llamk'achiyta siq'ipi waqaychananpaq.
Atikuq llamk'apuy karukuna (d): Sapa atikuq yupay llamk'apuykuna necesitasqankuta yapamanta ruwan.
Allin ñanta yupay: v[k] chanikunaman hapipakuspa churanapaq utaq qullunapaq kamachin.
“Munapayay tupachiy” llamk’ay: Diagonal nisqapi kuyun, caracterkuna tupaptinkukama, mana necesario ruwaykunata pisiyachispa.
Millones ruwanakuna ruwanapaq, GitHub huk achka qatayuq arquitectura llamk'achin. Kaypi imayna huk típico ruway purin:
Kay arquitectura GitHub allin escala ruwayta saqin, mana huk componente cuello de botella kaqman tukunanpaq qhawaspa
GitHub ruwanakunata mana sincrónicamente ruwan hatun t'ikrayta qhawanapaq. Kay qatiq JavaScript codigo ruwanakuna ruwanakuna paralelo ruwayta Promises kaqwan simula.
/** * Simulates a transaction in a version control system. */ class Transaction { constructor(id, action, payload) { this.id = id; this.action = action; this.payload = payload; } } /** * Simulates processing a transaction step-by-step. * @param {Transaction} tx - The transaction to process * @returns {Promise<string>} The result of processing */ function processTransaction(tx) { return new Promise((resolve) => { console.log(`Processing transaction ${tx.id}: ${tx.action}`); setTimeout(() => { console.log(`Indexing ${tx.id}...`); setTimeout(() => { console.log(`Computing diff for ${tx.id}...`); setTimeout(() => { console.log(`Updating database for ${tx.id}...`); resolve("success"); }, 100); }, 50); }, 100); }); } /** * Simulates processing multiple transactions in parallel. */ async function processTransactions() { const transactions = [ new Transaction("tx001", "commit", "Modified file A"), new Transaction("tx002", "commit", "Fixed bug in file B"), new Transaction("tx003", "merge", "Merged branches"), ]; const promises = transactions.map(async (tx) => { const result = await processTransaction(tx); console.log(`Transaction ${tx.id} result: ${result}`); }); await Promise.all(promises); console.log("All transactions processed."); } // Run transaction processing processTransactions();
Kay codigomanta llave apakuna:
GitHubpa atiyninqa millonnintin ruwanakuna sapa p'unchaw ruwaypaq huk huñusqapi hapirin:
Kay técnicas mana GitHub kaqllachu kanku —GitLab, Bitbucket chaymanta hatun willay ruwana sistemakunapi anchata llamk'achkanku. Kay kamachiykunata hamut'ayqa ruwaqkunata yanapan allin, escalable ruwanakuna ruwayta hatun volúmenes ruwanakuna ruwanapaq.