sunchao commented on a change in pull request #2350:
URL: https://github.com/apache/hadoop/pull/2350#discussion_r505690346
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/lz4/Lz4Compressor.java
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@@ -302,11 +303,20 @@ public synchronized long getBytesWritten() {
public synchronized void end() {
}
- private native static void initIDs();
-
- private native int compressBytesDirect();
-
- private native int compressBytesDirectHC();
-
- public native static String getLibraryName();
+ private int compressDirectBuf() {
+ if (uncompressedDirectBufLen == 0) {
+ return 0;
+ } else {
+ // Set the position and limit of `uncompressedDirectBuf` for reading
+ uncompressedDirectBuf.limit(uncompressedDirectBufLen).position(0);
+ compressedDirectBuf.clear();
Review comment:
Okay makes sense.
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