@BeforeClass
public static void setupTest() {
EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);
// Track calls to posix_fadvise.
NativeIO.POSIX.setCacheManipulator(tracker);
// Normally, we wait for a few megabytes of data to be read or written
// before dropping the cache. This is to avoid an excessive number of
// JNI calls to the posix_fadvise function. However, for the purpose
// of this test, we want to use small files and see all fadvise calls
// happen.
BlockSender.CACHE_DROP_INTERVAL_BYTES = 4096;
BlockReceiver.CACHE_DROP_LAG_BYTES = 4096;
}
