Only allow reusable ByteBuffers when not compressing. Snappy-compression doesn't work in that code path. (#1141)

Author: mattl-netflix

priam/src/main/java/com/netflix/priam/aws/S3FileSystem.java

@@ -138,7 +138,7 @@ private Map<String, String> getFileMetadata(File file) {
 
     private long uploadMultipart(AbstractBackupPath path, Instant target)
             throws BackupRestoreException {
-        if (config.useReusableBufferForMultipartUploads()) {
+        if (config.useReusableBufferForMultipartUploads() && path.getCompression() == CompressionType.NONE) {
             return uploadMultipartWithBuffers(path, target);
         } else {
             return uploadMultipartLegacy(path, target);
@@ -355,7 +355,7 @@ protected long uploadFileImpl(AbstractBackupPath path, Instant target)
         if (localFile.length() >= config.getBackupChunkSize())
             return uploadMultipart(path, target);
 
-        if (config.useReusableBufferForMultipartUploads()) {
+        if (config.useReusableBufferForMultipartUploads() && path.getCompression() == CompressionType.NONE) {
             return uploadFileWithByteBuffer(path, target);
         } else {
             return uploadFileWithByteArray(path, target);