adoroszlai commented on a change in pull request #551: HDDS-2717. Handle chunk
increments in datanode
URL: https://github.com/apache/hadoop-ozone/pull/551#discussion_r386910268
##########
File path:
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/storage/BlockOutputStream.java
##########
@@ -360,20 +360,33 @@ private void watchForCommit(boolean bufferFull) throws
IOException {
}
private CompletableFuture<ContainerProtos.
- ContainerCommandResponseProto> executePutBlock()
- throws IOException {
+ ContainerCommandResponseProto> executePutBlock(boolean close,
+ boolean force) throws IOException {
checkOpen();
long flushPos = totalDataFlushedLength;
- Preconditions.checkNotNull(bufferList);
- final List<ChunkBuffer> byteBufferList = bufferList;
- bufferList = null;
- Preconditions.checkNotNull(byteBufferList);
+ final List<ChunkBuffer> byteBufferList;
+ if (!force) {
+ Preconditions.checkNotNull(bufferList);
+ byteBufferList = bufferList;
+ bufferList = null;
+ Preconditions.checkNotNull(byteBufferList);
+ } else {
+ byteBufferList = null;
+ }
CompletableFuture<ContainerProtos.
ContainerCommandResponseProto> flushFuture;
try {
+ BlockData blockData = containerBlockData.build();
+ if (close) {
+ blockData = BlockData.newBuilder(blockData)
+ .addMetadata(KeyValue.newBuilder()
+ .setKey(OzoneConsts.LAST_PUT_FOR_BLOCK)
+ .setValue(Boolean.TRUE.toString()))
+ .build();
+ }
Review comment:
Good point, but that's only part of the problem. Old client is anyway
incompatible with new layout because it always sends 0 offset. If backward
compatibility is required, I think we would need to force old layout for old
client. For this, even block allocation needs to account for client version.
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