Reamer commented on code in PR #4382:
URL: https://github.com/apache/zeppelin/pull/4382#discussion_r912790957
##########
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Notebook.java:
##########
@@ -109,6 +119,60 @@ public void recoveryIfNecessary() {
}
}
+ /**
+ * Subsystems can add a consumer, which is executed during initialization.
+ * Initialization is performed in parallel and with multiple threads.
+ *
+ * The consumer must be thread safe.
+ *
+ * @param initConsumer Consumer, which is passed the NoteId.
+ */
+ public void addInitConsumer(Consumer<String> initConsumer) {
+ this.initConsumers.add(initConsumer);
+ }
+
+ /**
+ * Asynchronous and parallel initialization of notes (during startup)
+ */
+ public void initNotebook() {
+ initExecutor = new ThreadPoolExecutor(0,
Runtime.getRuntime().availableProcessors(), 1, TimeUnit.MINUTES,
Review Comment:
@jongyoul Please check again.
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