使用水位记录仪监测流量：最佳实践指南

灌溉机构和个体农场面临的挑战之一是在明渠应用中准确监测和记录灌溉用水量。本指南介绍了如何使用水位数据记录仪记录水深，并利用该水深数据计算各种明渠应用中的流量和用水量。

Categories

白皮书

开始使用

The website encountered an unexpected error. Try again later.

Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[HY000]: General error: 1114 The table 'watchdog' is full: INSERT INTO "watchdog" ("uid", "type", "message", "variables", "severity", "link", "location", "referer", "hostname", "timestamp") VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array ( [:db_insert_placeholder_0] => 0 [:db_insert_placeholder_1] => purge [:db_insert_placeholder_2] => @purge_channel_part: @sev: @title: @msg [:db_insert_placeholder_3] => a:4:{s:4:"@sev";s:5:"ERROR";s:4:"@msg";O:48:"Drupal\Core\StringTranslation\TranslatableMarkup":3:{s:9:"*string";s:294:"Your queue exceeded 100,000 items! @dangerous This can happen when no processors are clearing your queue, or when queueing outpaces processing. Please first solve the structural nature of the issue by adding processing power or reducing your queue loads. Empty the queue to unblock your system.";s:12:"*arguments";a:1:{s:10:"@dangerous";O:48:"Drupal\Core\StringTranslation\TranslatableMarkup":3:{s:9:"*string";s:86:"Purge has shut down cache invalidation to prevent your servers from actually crashing.";s:12:"*arguments";a:0:{}s:10:"*options";a:0:{}}}s:10:"*options";a:0:{}}s:6:"@title";O:48:"Drupal\Core\StringTranslation\TranslatableMarkup":3:{s:9:"*string";s:10:"Queue size";s:12:"*arguments";a:0:{}s:10:"*options";a:0:{}}s:19:"@purge_channel_part";s:11:"diagnostics";} [:db_insert_placeholder_4] => 3 [:db_insert_placeholder_5] => [:db_insert_placeholder_6] => https://www.hobodataloggers.cn/resources/white-papers/monitoring-flow-water-level-loggers-best-practices-guide [:db_insert_placeholder_7] => [:db_insert_placeholder_8] => 216.73.216.202 [:db_insert_placeholder_9] => 1787023223 ) in Drupal\dblog\Logger\DbLog->log() (line 78 of core/modules/dblog/src/Logger/DbLog.php).

Drupal\dblog\Logger\DbLog->log() (Line: 103)
Drupal\dblog\Logger\DbLog->log() (Line: 127)
Drupal\Core\Logger\LoggerChannel->log() (Line: 127)
Drupal\Core\Logger\LoggerChannel->log() (Line: 99)
Drupal\purge\Logger\LoggerChannelPartBase->doLog() (Line: 16)
Drupal\purge\Logger\LoggerChannelPartForV3->log() (Line: 50)
Drupal\purge\Logger\LoggerChannelPartBase->error() (Line: 274)
Drupal\purge\Plugin\Purge\DiagnosticCheck\DiagnosticsService->next() (Line: 226)
Drupal\purge\Plugin\Purge\DiagnosticCheck\DiagnosticsService->isSystemOnFire() (Line: 169)
Drupal\purge\Plugin\Purge\Purger\PurgersService->checksBeforeTakeoff() (Line: 427)
Drupal\purge\Plugin\Purge\Purger\PurgersService->invalidate() (Line: 104)
Drupal\purge_processor_lateruntime\EventSubscriber\LateRuntimeProcessor->onKernelTerminate()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 115)
Symfony\Component\HttpKernel\HttpKernel->terminate() (Line: 66)
Drupal\Core\StackMiddleware\StackedHttpKernel->terminate() (Line: 715)
Drupal\Core\DrupalKernel->terminate() (Line: 22)