hililiwei commented on a change in pull request #4126:
URL: https://github.com/apache/iceberg/pull/4126#discussion_r806381378
##########
File path:
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/procedures/BaseProcedure.java
##########
@@ -151,4 +161,25 @@ TableCatalog tableCatalog() {
return tableCatalog;
}
}
+
+ /**
+ * Closes the procedure's executor service if a new one was created.
+ */
+ protected void closeService() {
+ if (executorService != null) {
+ executorService.shutdown();
+ }
+ }
+
+ protected ExecutorService executorService(int concurrentDeletes, String
nameFormat) {
+ Preconditions.checkArgument(executorService == null, "Cannot create a new
executor service, one already exists.");
+ executorService = MoreExecutors.getExitingExecutorService(
+ (ThreadPoolExecutor) Executors.newFixedThreadPool(
+ concurrentDeletes,
+ new ThreadFactoryBuilder()
+ .setNameFormat(nameFormat + "-%d")
Review comment:
give `nameFormat` a default? Or cannot be null via a `Preconditions`?
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