yuqi1129 commented on code in PR #6569:
URL: https://github.com/apache/gravitino/pull/6569#discussion_r1986665364
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core/src/main/java/org/apache/gravitino/metalake/MetalakeManager.java:
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@@ -64,6 +71,26 @@ public class MetalakeManager implements MetalakeDispatcher {
private final IdGenerator idGenerator;
+ @VisibleForTesting
+ static final Cache<NameIdentifier, BaseMetalake> METALAKE_CACHE =
+ Caffeine.newBuilder()
+ .expireAfterAccess(24, TimeUnit.HOURS)
+ .removalListener((k, v, c) -> LOG.info("Closing metalake {}.", k))
+ .scheduler(
+ Scheduler.forScheduledExecutorService(
+ new ScheduledThreadPoolExecutor(
+ 1,
+ new ThreadFactoryBuilder()
+ .setDaemon(true)
+ .setNameFormat("metalake-cleaner-%d")
+ .build())))
+ .build();
+
+ @VisibleForTesting
+ public static void clearCache() {
Review Comment:
It's only for test usage; see `VisibleForTesting`. Typically, there is only
one MetalakeManager instance in one Gravitino server, and there is no need to
clear the cache.
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