if (!verifySanity(compressedLength, decompressedLength, forReduce, remaining, mapId)) { return new TaskAttemptID[] {mapId};
if (!verifySanity(compressedLength, decompressedLength, forReduce, remaining, mapId)) { return false;
if (!verifySanity(compressedLength, decompressedLength, forReduce, remaining, mapId)) { return new TaskAttemptID[] {mapId};
if (!verifySanity(compressedLength, decompressedLength, forReduce, remaining, mapId)) { return new TaskAttemptID[] {mapId};
if (!verifySanity(compressedLength, decompressedLength, forReduce, remaining, mapId)) { return new TaskAttemptID[] {mapId};