Sammi Chen

RATIS-1644. Provide a safe async flush.

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https://issues.apache.org/jira/browse/RATIS-1644

HDDS-5265. Leverage getSmallFile in ChunkInputStream

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https://issues.apache.org/jira/browse/HDDS-5265

https://issues.apache.org/jira/browse/HDDS-7220

https://issues.apache.org/jira/browse/HDDS-7182

https://issues.apache.org/jira/browse/HDDS-7320

## What changes were proposed in this pull request? fix the issue that a overwrite file's encryption info is not properly set. ## What is the link to the Apache...

HDDS-10465. Change ozone.client.bytes.per.checksum default to 16KB

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## What changes were proposed in this pull request? When using TestDFSIO to compare the random read performance of HDFS and Ozone, Ozone is way more slow than HDFS. Here...

HDDS-10835. Show overwritten hsync keys in ListOpenFile CLI

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## What changes were proposed in this pull request? When a hsync key is overwritten, it will have the overwrittenHsyncKey metadata. This task will support to show or hide this...

HDDS-10749. Shutdown datanode when RatisServer is down

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## What changes were proposed in this pull request? Currently, when RatisServer is down(mainly due to long GC which exceeds the ratis close threshold), Datanode is still running and in...

HDDS-10488. Datanode OOM due to run out of mmap handler

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## What changes were proposed in this pull request? DN is OOM with following stack found in a test cluster. ``` 6:52:03.601 AM WARN KeyValueHandler Operation: ReadChunk , Trace ID:...