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Merge pull request #6768 from vvlladd28/improvement/js-executor/script-map/frequirence

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[3.4] JS-executor: Improvement logs and clear cache
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Igor Kulikov 2022-06-21 17:26:27 +03:00 committed by GitHub
commit 2eaa4660bf
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 35 additions and 5 deletions
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40
msa/js-executor/api/jsInvokeMessageProcessor.js
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@ -32,15 +32,17 @@ const maxActiveScripts = Number(config.get('script.max_active_scripts'));
const slowQueryLogMs = Number(config.get('script.slow_query_log_ms'));
const slowQueryLogBody = config.get('script.slow_query_log_body') === 'true';
const {performance} = require('perf_hooks');
const { performance } = require('node:perf_hooks');
function JsInvokeMessageProcessor(producer) {
this.producer = producer;
this.executor = new JsExecutor(useSandbox);
this.scriptMap = new Map();
this.scriptIds = [];
this.executedScriptIdsCounter = [];
this.executedScriptsCounter = 0;
this.lastStatTime = performance.now();
this.compilationTime = 0;
}
JsInvokeMessageProcessor.prototype.onJsInvokeMessage = function (message) {
@ -125,7 +127,8 @@ JsInvokeMessageProcessor.prototype.processInvokeRequest = function (requestId, r
const msSinceLastStat = nowMs - this.lastStatTime;
const requestsPerSec = msSinceLastStat == 0 ? statFrequency : statFrequency / msSinceLastStat * 1000;
this.lastStatTime = nowMs;
logger.info('STAT[%s]: requests [%s], took [%s]ms, request/s [%s]', this.executedScriptsCounter, statFrequency, msSinceLastStat, requestsPerSec);
logger.info('STAT[%s]: requests [%s], took [%s]ms, request/s [%s], compilation [%s]ms', this.executedScriptsCounter, statFrequency, msSinceLastStat, requestsPerSec, this.compilationTime);
this.compilationTime = 0;
}
if (this.executedScriptsCounter % scriptBodyTraceFrequency == 0) {
@ -167,6 +170,7 @@ JsInvokeMessageProcessor.prototype.processReleaseRequest = function (requestId,
var index = this.scriptIds.indexOf(scriptId);
if (index > -1) {
this.scriptIds.splice(index, 1);
this.executedScriptIdsCounter.splice(index, 1);
}
this.scriptMap.delete(scriptId);
}
@ -198,14 +202,18 @@ JsInvokeMessageProcessor.prototype.getOrCompileScript = function (scriptId, scri
return new Promise(function (resolve, reject) {
const script = self.scriptMap.get(scriptId);
if (script) {
incrementUseScriptId.call(self, scriptId);
resolve(script);
} else {
const startTime = performance.now();
self.executor.compileScript(scriptBody).then(
(compiledScript) => {
self.compilationTime += (performance.now() - startTime);
self.cacheScript(scriptId, compiledScript);
resolve(compiledScript);
},
(err) => {
self.compilationTime += (performance.now() - startTime);
reject(err);
}
);
@ -216,11 +224,10 @@ JsInvokeMessageProcessor.prototype.getOrCompileScript = function (scriptId, scri
JsInvokeMessageProcessor.prototype.cacheScript = function (scriptId, script) {
if (!this.scriptMap.has(scriptId)) {
this.scriptIds.push(scriptId);
this.executedScriptIdsCounter.push(0);
while (this.scriptIds.length > maxActiveScripts) {
logger.info('Active scripts count [%s] exceeds maximum limit [%s]', this.scriptIds.length, maxActiveScripts);
const prevScriptId = this.scriptIds.shift();
logger.info('Removing active script with id [%s]', prevScriptId);
this.scriptMap.delete(prevScriptId);
deleteMinUsedScript.apply(this);
}
}
this.scriptMap.set(scriptId, script);
@ -291,4 +298,27 @@ function getScriptId(request) {
return Utils.toUUIDString(request.scriptIdMSB, request.scriptIdLSB);
}
function incrementUseScriptId(scriptId) {
const index = this.scriptIds.indexOf(scriptId);
if (this.executedScriptIdsCounter[index] < Number.MAX_SAFE_INTEGER) {
this.executedScriptIdsCounter[index]++;
}
}
function deleteMinUsedScript() {
let min = Infinity;
let minIndex = 0;
const scriptIdsLength = this.executedScriptIdsCounter.length - 1; // ignored last added script
for (let i = 0; i < scriptIdsLength; i++) {
if (this.executedScriptIdsCounter[i] < min) {
min = this.executedScriptIdsCounter[i];
minIndex = i;
}
}
const prevScriptId = this.scriptIds.splice(minIndex, 1)[0];
this.executedScriptIdsCounter.splice(minIndex, 1)
logger.info('Removing active script with id [%s]', prevScriptId);
this.scriptMap.delete(prevScriptId);
}
module.exports = JsInvokeMessageProcessor;