Chung En Lee

HDDS-6854. Implement List Snapshot API

1

## What changes were proposed in this pull request? Implement list API which will list all the snapshots for a given Bucket. ## What is the link to the Apache...

HDDS-10557. TestBlockOutputStream#testWriteExactlyFlushSize is flaky

2

## What changes were proposed in this pull request? Fix test failure: ``` Error: org.apache.hadoop.ozone.client.rpc.TestBlockOutputStream.testWriteExactlyFlushSize(boolean)[2] Time elapsed: 0.06 s

HDDS-10781. Do not use OFSPath in O3FS BasicOzoneClientAdapterImpl

12

## What changes were proposed in this pull request? In BasicOzoneClientAdapterImpl#isFileClosed we use OFSPath to check if the path was a key, but it Utility class for OFS not O3FS....

HDDS-10338. Implement a Client Datanode API to stream a block

7

## What changes were proposed in this pull request? To reduce round trips between the Client and Datanode for reading a block, we nee a new API to read. ```...

## What changes were proposed in this pull request? KeyValueContainerCheck.verifyChecksum(..) allocates a heap buffer for reading a chunk file. It is better to use a direct buffer or memory mapped...

HDDS-10907. DataNode StorageContainerMetrics numWriteChunk is counted multiple times

1

## What changes were proposed in this pull request? StorageContainerMetrics.incContainerOpsMetrics() updates operation counts. It is incremented not just once for WriteChunk, because it is called by HddsDispatcher.dispatchRequest() during WRITE_DATA (by...