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.
   *

 * <li>the unreleased <b>minor</b>,  M.N.0 on the `M.x` (x is literal) branch</li>
 * <li>the unreleased <b>bugfix</b>, M.N.c (c &gt; 0) on the `M.N` branch</li>
 * <li>the unreleased <b>maintenance</b>, M-1.d.e ( d &gt; 0, e &gt; 0) on the `(M-1).d` branch</li>
 * </ul>
 * In addition to these, there will be a fifth one when a minor reaches feature freeze, we call this the <i>staged</i>
 * version:
 * <ul>

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

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;

	"sync"
	"sync/atomic"
	"time"

	"github.com/minio/minio/internal/dsync"
)

// Reject new lock requests immediately when this many are queued
// for the local lock mutex.
// We do not block unlocking or maintenance, but they add to the count.
// The limit is set to allow for bursty behavior,
// but prevent requests to overload the server completely.
// Rejected clients are expected to retry.
const lockMutexWaitLimit = 1000

  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

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

import jakarta.annotation.PreDestroy;

/**
 * Helper for inter-instance coordination via OpenSearch.
 * Provides heartbeat registration, distributed operation locking, and event notification
 * to prevent concurrent execution of maintenance operations across multiple Fess instances.
 */
public class CoordinatorHelper {

    private static final Logger logger = LogManager.getLogger(CoordinatorHelper.class);

online.help.name.accesstoken=accesstoken
# Online help key for suggest.
online.help.name.suggest=suggest
# Online help key for search log.
online.help.name.searchlog=searchlog
# Online help key for maintenance.
online.help.name.maintenance=maintenance
# Online help key for plugin.
online.help.name.plugin=plugin
# Online help key for storage.
online.help.name.storage=storage

# Supported languages for online help.

- [ ] Security testing (authentication, authorization)
- [ ] Integration testing with client applications
- [ ] 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