adoroszlai opened a new pull request #2387:
URL: https://github.com/apache/ozone/pull/2387
## What changes were proposed in this pull request?
Fix the issue that Ozone Insight prints binary data for `dataBuffers`:
```
[TRACE|org.apache.hadoop.ozone.container.common.impl.HddsDispatcher|OzoneProtocolMessageDispatcher]
[service=DatanodeClient] [type=ReadChunk] request is processed. Response:
cmdType: ReadChunk
traceID: ""
result: SUCCESS
readChunk {
...
dataBuffers {
buffers: "4w7u1Zp8@{"
buffers: "<redacted>"
}
}
```
This is caused by appending to the list of buffers in `processForDebug`
instead of replacing the list with a single item.
https://issues.apache.org/jira/browse/HDDS-5414
## How was this patch tested?
Added unit test. Also tested on compose-based cluster:
```
# console 1
ozone insight logs -v datanode.dispatcher -f datanode=ozone_datanode_1
# console 2
ozone freon ockg -n10 -t1 -p test -s 10
ozone freon ockv -n10 -t1 -p test
```
Output:
```
[TRACE|org.apache.hadoop.ozone.container.common.impl.HddsDispatcher|OzoneProtocolMessageDispatcher]
[service=DatanodeClient] [type=ReadChunk] request is processed. Response:
cmdType: ReadChunk
traceID: ""
result: SUCCESS
readChunk {
...
dataBuffers {
buffers: "<redacted>"
}
}
```
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