mchades commented on code in PR #8602:
URL: https://github.com/apache/gravitino/pull/8602#discussion_r2366654578
##########
catalogs/catalog-fileset/src/main/java/org/apache/gravitino/catalog/fileset/FilesetCatalogOperations.java:
##########
@@ -257,6 +240,44 @@ public void initialize(
this.defaultFileSystemProvider =
FileSystemUtils.getFileSystemProviderByName(
fileSystemProvidersMap, defaultFileSystemProviderName);
+
+ scheduler =
+ new ScheduledThreadPoolExecutor(
+ 1,
+ new ThreadFactoryBuilder()
+ .setDaemon(true)
+ .setNameFormat("file-system-cache-for-fileset" + "-%d")
+ .build());
+
+ Caffeine<Object, Object> cacheBuilder =
+ Caffeine.newBuilder()
+ .expireAfterAccess(1, TimeUnit.HOURS)
+ .removalListener(
+ (ignored, value, cause) -> {
+ try {
+ ((FileSystem) value).close();
+ } catch (IOException e) {
+ LOG.warn("Failed to close FileSystem instance in cache",
e);
+ }
+ })
+ .scheduler(Scheduler.forScheduledExecutorService(scheduler));
+
+ MetricsSystem metricsSystem = GravitinoEnv.getInstance().metricsSystem();
+ // Metrics System could be null in UT.
+ if (metricsSystem != null) {
+ cacheBuilder.recordStats(
+ () -> {
+ String metricsPrefix =
+ String.join(
+ ".",
+ GRAVITINO_FILESET_CATALOG_METRIC_PREFIX,
+ catalogInfo.namespace().toString(),
+ catalogInfo.name(),
+ FILESYSTEM_CACHE);
+ return new
MetricsStatsCounter(metricsSystem.getMetricRegistry(), metricsPrefix);
Review Comment:
fixed and local tested:
<img width="1857" height="848" alt="image"
src="https://github.com/user-attachments/assets/5a83db09-cfbb-40a3-bb97-60139ed66be0";
/>
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