- [ ] User acceptance testing
- [ ] Load testing for production capacity

### Go-Live

- [ ] Schedule maintenance window
- [ ] Final incremental data sync
- [ ] Switch DNS or endpoints to Fess
- [ ] Monitor logs for errors
- [ ] Monitor search performance metrics
- [ ] Have rollback plan ready

### Post-Migration

- [ ] Monitor search quality and relevance

 * <li>Web crawling - crawls web sites and web content</li>
 * <li>File system crawling - crawls file systems and documents</li>
 * <li>Data store crawling - crawls databases and other data sources</li>
 * <li>Combined crawling - runs multiple crawling types simultaneously</li>
 * </ul>
 *
 * <p>Command line usage:
 * <pre>
 * java org.codelibs.fess.exec.Crawler [options...]
 *   -s, --sessionId sessionId     : Session ID for the crawling session

YYYY",LLL:"D MMMM YYYY HH:mm",LLLL:"dddd D MMMM YYYY HH:mm"},calendar:{sameDay:"[Aujourd\u2019hui \xe0] LT",nextDay:"[Demain \xe0] LT",nextWeek:"dddd [\xe0] LT",lastDay:"[Hier \xe0] LT",lastWeek:"dddd [dernier \xe0] LT",sameElse:"L"},relativeTime:{future:"dans %s",past:"il y a %s",s:"quelques secondes",ss:"%d secondes",m:"une minute",mm:"%d minutes",h:"une heure",hh:"%d heures",d:"un jour",dd:"%d jours",M:"un mois",MM:"%d mois",y:"un an",yy:"%d ans"},dayOfMonthOrdinalParse:/\d{1,2}(er|e)/,ordinal:functi...

- Your custom options to override the ones defined in [Defaults](#defaults)\n   * @return {Object} instance - The generated Popper.js instance\n   */\n  constructor(reference, popper, options = {}) {\n    // make update() debounced, so that it only runs at most once-per-tick\n    this.update = debounce(this.update.bind(this));\n\n    // with {} we create a new object with the options inside it\n    this.options = { ...Popper.Defaults, ...options };\n\n    // init state\n    this.state = {\n      isDestroyed:...