jt2594838 commented on code in PR #18106:
URL: https://github.com/apache/iotdb/pull/18106#discussion_r3526206430
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/scheduler/load/LoadTsFileDispatcherImpl.java:
##########
@@ -97,36 +97,44 @@ public LoadTsFileDispatcherImpl(
this.internalServiceClientManager = internalServiceClientManager;
this.localhostIpAddr =
IoTDBDescriptor.getInstance().getConfig().getInternalAddress();
this.localhostInternalPort =
IoTDBDescriptor.getInstance().getConfig().getInternalPort();
- this.executor =
-
IoTDBThreadPoolFactory.newCachedThreadPool(LoadTsFileDispatcherImpl.class.getName());
this.isGeneratedByPipe = isGeneratedByPipe;
}
+ private synchronized ExecutorService getOrCreateExecutor() {
+ if (executor == null || executor.isShutdown()) {
+ executor =
+
IoTDBThreadPoolFactory.newCachedThreadPool(LoadTsFileDispatcherImpl.class.getName());
+ }
+ return executor;
+ }
+
public void setUuid(String uuid) {
this.uuid = uuid;
}
@Override
public Future<FragInstanceDispatchResult> dispatch(
SubPlan root, List<FragmentInstance> instances) {
- return executor.submit(
- () -> {
- for (FragmentInstance instance : instances) {
- try (SetThreadName threadName =
- new SetThreadName(
- "load-dispatcher" + "-" + instance.getId().getFullId() +
"-" + uuid)) {
- dispatchOneInstance(instance);
- } catch (FragmentInstanceDispatchException e) {
- return new FragInstanceDispatchResult(e.getFailureStatus());
- } catch (Exception t) {
-
LOGGER.warn(DataNodeQueryMessages.CANNOT_DISPATCH_FI_FOR_LOAD_OPERATION, t);
- return new FragInstanceDispatchResult(
- RpcUtils.getStatus(
- TSStatusCode.INTERNAL_SERVER_ERROR, "Unexpected errors:
" + t.getMessage()));
- }
- }
- return new FragInstanceDispatchResult(true);
- });
+ return getOrCreateExecutor()
+ .submit(
+ () -> {
+ for (FragmentInstance instance : instances) {
+ try (SetThreadName threadName =
+ new SetThreadName(
+ "load-dispatcher" + "-" + instance.getId().getFullId()
+ "-" + uuid)) {
+ dispatchOneInstance(instance);
+ } catch (FragmentInstanceDispatchException e) {
+ return new FragInstanceDispatchResult(e.getFailureStatus());
+ } catch (Exception t) {
+
LOGGER.warn(DataNodeQueryMessages.CANNOT_DISPATCH_FI_FOR_LOAD_OPERATION, t);
+ return new FragInstanceDispatchResult(
+ RpcUtils.getStatus(
+ TSStatusCode.INTERNAL_SERVER_ERROR,
+ "Unexpected errors: " + t.getMessage()));
+ }
Review Comment:
i18n
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