fix(video): 调整视频处理任务参数以优化性能

- 将探测大小从 32M 减小到 16M 以减少内存占用
- 修改线程池关闭前的等待时间从 5 分钟缩短至 3 分钟
- 添加注释说明批量定时停止的目的

src/main/java/com/ycwl/basic/task/VideoPieceGetter.java

@@ -84,7 +84,7 @@ public class VideoPieceGetter {
     @Autowired
     private MemberRelationRepository memberRelationRepository;
 
-    public static final String PROBE_SIZE = "32M";
+    public static final String PROBE_SIZE = "16M";
 
     @Data
     public static class Task {
@@ -141,6 +141,7 @@ public class VideoPieceGetter {
 //            taskStatusBiz.setFaceCutStatus(task.faceId, 0);
 //        }
         AtomicBoolean invoke = new AtomicBoolean(false);
+        // 为了批量定时停止
         final ThreadFactory threadFactory = new ThreadFactoryBuilder()
                 .setNamePrefix("VPG-" + task.faceId + "-t")
                 .build();
@@ -264,7 +265,7 @@ public class VideoPieceGetter {
             Thread.sleep(1000L);
             log.info("executor等待被结束！[A:{}/T:{}/F:{}]", executor.getActiveCount(), executor.getTaskCount(), executor.getCompletedTaskCount());
             executor.shutdown();
-            executor.awaitTermination(5, TimeUnit.MINUTES);
+            executor.awaitTermination(3, TimeUnit.MINUTES);
             log.info("executor已结束！[A:{}/T:{}/F:{}]", executor.getActiveCount(), executor.getTaskCount(), executor.getCompletedTaskCount());
             executor.close();
         } catch (InterruptedException e) {