yuqi1129 commented on code in PR #7782:
URL: https://github.com/apache/gravitino/pull/7782#discussion_r2245480409
##########
catalogs/catalog-fileset/src/main/java/org/apache/gravitino/catalog/fileset/FilesetCatalogOperations.java:
##########
@@ -129,8 +129,75 @@ public class FilesetCatalogOperations extends
ManagedSchemaOperations
private boolean disableFSOps;
+ @VisibleForTesting ScheduledThreadPoolExecutor scheduler;
+ @VisibleForTesting Cache<FileSystemCacheKey, FileSystem> fileSystemCache;
+
FilesetCatalogOperations(EntityStore store) {
this.store = store;
+ scheduler =
+ new ScheduledThreadPoolExecutor(
+ 1,
+ new ThreadFactoryBuilder()
+ .setDaemon(true)
+ .setNameFormat("file-system-cache-for-fileset" + "-%d")
+ .build());
+
+ this.fileSystemCache =
+ Caffeine.newBuilder()
+ .expireAfterAccess(1000 * 60 * 60 /* 1 hour */,
TimeUnit.MILLISECONDS)
Review Comment:
OK
##########
catalogs/catalog-fileset/src/main/java/org/apache/gravitino/catalog/fileset/FilesetCatalogOperations.java:
##########
@@ -1248,10 +1302,59 @@ private boolean hasCallerContext() {
&& !CallerContext.CallerContextHolder.get().context().isEmpty();
}
- private boolean checkSingleFile(Fileset fileset, String locationName) {
+ @VisibleForTesting
+ FileSystem getFileSystemWithCache(
+ Path path, Map<String, String> conf, NameIdentifier identifier) {
+ String pathString = path.toString();
+ // extract the prefix of the path to use as the cache key
+ String prefix = extractPrefix(pathString);
+ return fileSystemCache.get(
+ new FileSystemCacheKey(identifier, conf, prefix),
+ cacheKey -> {
+ try {
+ return getFileSystem(path, conf);
+ } catch (IOException e) {
+ throw new GravitinoRuntimeException(
+ e, "Failed to get FileSystem for fileset: %s", identifier);
+ }
+ });
+ }
+
+ /**
+ * Extracts the prefix from the given path. The prefix is defined as the
scheme and the first
+ * slash after the scheme.
+ *
+ * @param path the path from which to extract the prefix.
+ * @return the prefix of the path, or an empty string if the path is null or
empty.
+ */
+ @VisibleForTesting
+ String extractPrefix(String path) {
Review Comment:
I added, please see L1823 in `TestFilesetCatalogOperations`
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