felix-thinkingdata commented on a change in pull request #4645:
URL:
https://github.com/apache/incubator-dolphinscheduler/pull/4645#discussion_r570001267
##########
File path:
dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
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@@ -129,9 +134,20 @@ private void runSender() {
if (alertPluginManager == null ||
alertPluginManager.getAlertChannelMap().size() == 0) {
logger.warn("No Alert Plugin . Can not send alert info. ");
} else {
- List<Alert> alerts = alertDao.listWaitExecutionAlert();
- alertSender = new AlertSender(alerts, alertDao,
alertPluginManager);
- alertSender.run();
+ InterProcessMutex mutex = null;
+ try {
+ logger.error("创建分布式锁 : ");
+ mutex = zookeeperClient.getAlertLockPath();
+ mutex.acquire();
+ List<Alert> alerts = alertDao.listWaitExecutionAlert();
+ alertSender = new AlertSender(alerts, alertDao,
alertPluginManager);
+ alertSender.run();
+ } catch (Exception e) {
+ logger.error("alert server with error : ", e);
+ } finally {
+ zookeeperClient.release(mutex);
+
+ }
Review comment:

通过尝试,选择一个alert告警,失败尝试另一个的方式。兼容sql task同步告警方式。
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