Github user NicoK commented on a diff in the pull request: https://github.com/apache/flink/pull/4234#discussion_r131431720 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/blob/BlobCacheSuccessTest.java --- @@ -92,15 +100,15 @@ private void uploadFileGetTest(final Configuration config, boolean cacheWorksWit BlobCache blobCache = null; BlobStoreService blobStoreService = null; try { - final Configuration cacheConfig; - if (cacheHasAccessToFs) { - cacheConfig = config; - } else { - // just in case parameters are still read from the server, - // create a separate configuration object for the cache - cacheConfig = new Configuration(config); + final Configuration cacheConfig = new Configuration(config); + cacheConfig.setString(BlobServerOptions.STORAGE_DIRECTORY, + temporaryFolder.newFolder().getAbsolutePath()); + if (!cacheHasAccessToFs) { + // make sure the cache cannot access the HA store directly + cacheConfig.setString(BlobServerOptions.STORAGE_DIRECTORY, + temporaryFolder.newFolder().getAbsolutePath()); --- End diff -- seems that it wasn't used to its full extension - also the meaning of this variable was not what clear
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