#!/bin/bashAPP_NAME="orderTest"CHECKPOINT_BASE_PATH="hdfs:///jobs/flink/checkpoints/aaa-test/"is_running=$(yarn application -list | grep -w "$APP_NAME" | grep -c "RUNNING")if [ $is_running -gt 0 ]; thenecho "应用程序 '$APP_NAME' 在运行中，退出脚本"exit 1
elseecho "应用程序 '$APP_NAME' 不在运行中，准备拉起任务"
figet_latest_checkpoint() {latest_checkpoint=$(hdfs dfs -ls -t -R $CHECKPOINT_BASE_PATH  | grep '_metadata' | sort -k6,7r | head -n 1 | awk '{print $8}'  )if [ -z "$latest_checkpoint" ]; thenecho "没有找到适合的ck，退出执行"exit 1ficheckpoint_dir=$(dirname "$latest_checkpoint")echo $checkpoint_dir
}LATEST_CHECKPOINT=$(get_latest_checkpoint)
echo " '$APP_NAME' 任务将从 '$LATEST_CHECKPOINT' 启动"flink run \-t yarn-per-job \-d \-p 1 \-Dyarn.application.queue=realtime \-Dyarn.application.name=$APP_NAME\-Djobmanager.memory.process.size=1024mb \-Dtaskmanager.memory.process.size=1000mb \-Dtaskmanager.memory.managed.size=0mb \-Dtaskmanager.memory.network.max=64mb \-Dtaskmanager.numberOfTaskSlots=1 \-c com.test.Main\-s $LATEST_CHECKPOINT \./ds-test-1.0.jar

备注：由于Flink checkpoint 个别情况下，不一定能保证落地的checkpoint文件一定有效，所以需要人工介入支持。