}
        }

        if (!unhealthy.isEmpty()) {
            log.info("Removed {} unhealthy connections from pool", unhealthy.size());
        }

        // Perform maintenance tasks
        performMaintenanceTasks();
    }

    /**
     * Remove idle connections to free up pool space
     */
    private void removeIdleConnections() {

- **Asynchronous Operations**: Non-blocking suggestion requests with callback support
- **Index Management**: Automatic index creation, switching, and maintenance
- **Customizable Scoring**: User boost, document frequency, and query frequency weighting

## Technology Stack

- **Java**: 21+ (configured via parent POM)
- **OpenSearch**: Latest (provided scope)

    HtmlNext path_AdminLog_AdminLogJsp = new HtmlNext("/admin/log/admin_log.jsp");

    /** The path of the HTML: /admin/maintenance/admin_maintenance.jsp */
    HtmlNext path_AdminMaintenance_AdminMaintenanceJsp = new HtmlNext("/admin/maintenance/admin_maintenance.jsp");

    /** The path of the HTML: /admin/pathmap/admin_pathmap.jsp */

      this.counts = new int[ImmutableCollection.Builder.DEFAULT_INITIAL_CAPACITY];
    }

    /** Check if we need to do deduplication and coalescing, and if so, do it. */
    private void maintenance() {
      if (length == elements.length) {
        dedupAndCoalesce(true);
      } else if (forceCopyElements) {
        this.elements = Arrays.copyOf(elements, elements.length);

labels.menu_jobLog=Job Log
labels.menu_searchLog=Search Log
labels.menu_failure_url=Failure URL
labels.menu_search_list=Search
labels.menu_backup=Backup
labels.menu_access_token=Access Token
labels.menu_maintenance=Maintenance
labels.menu_related_content=Related Content
labels.menu_related_query=Related Query
labels.sidebar.placeholder_search=Search...
labels.menu_plugin=Plugin
labels.menu_storage=Storage
labels.sidebar.menu=Menu

   * Guava to fix them until Guava is ready to <i>require</i> Java 8 for all users.
   */
  ConcurrentMap<K, V> asMap();

  /**
   * Performs any pending maintenance operations needed by the cache. Exactly which activities are
   * performed -- if any -- is implementation-dependent.
   */
  void cleanUp();

        socketToClose.closeQuietly()
        connectionListener.connectionClosed(connection)
      }
    }

    if (connections.isEmpty()) cleanupQueue.cancelAll()
  }

  /**
   * Performs maintenance on this pool, evicting the connection that has been idle the longest if
   * either it has exceeded the keep alive limit or the idle connections limit.
   *

import org.codelibs.fess.app.web.admin.keymatch.AdminKeymatchAction;
import org.codelibs.fess.app.web.admin.labeltype.AdminLabeltypeAction;
import org.codelibs.fess.app.web.admin.log.AdminLogAction;
import org.codelibs.fess.app.web.admin.maintenance.AdminMaintenanceAction;
import org.codelibs.fess.app.web.admin.pathmap.AdminPathmapAction;
import org.codelibs.fess.app.web.admin.plugin.AdminPluginAction;

labels.menu_jobLog=Job Log
labels.menu_searchLog=Search Log
labels.menu_failure_url=Failure URL
labels.menu_search_list=Search
labels.menu_backup=Backup
labels.menu_access_token=Access Token
labels.menu_maintenance=Maintenance
labels.menu_related_content=Related Content
labels.menu_related_query=Related Query
labels.sidebar.placeholder_search=Search...
labels.menu_plugin=Plugin
labels.menu_storage=Storage
labels.sidebar.menu=Menu

  private val taskFaker = TaskFaker()
  private val taskRunner = taskFaker.taskRunner

  /**
   * Note that we don't use the same [TaskFaker] for this factory. That way off-topic tasks like
   * connection pool maintenance tasks don't add noise to route planning tests.
   */
  private val routePlanner = FakeRoutePlanner(taskFaker = taskFaker)
  private val finder = FastFallbackExchangeFinder(routePlanner, taskRunner)

  @AfterEach