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https://issues.apache.org/jira/browse/HDDS-9549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krishna Kumar Asawa reassigned HDDS-9549:
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Assignee: Tejaskriya Madhan
> defaultReadBufferCapacity should be int instead of long
> -------------------------------------------------------
>
> Key: HDDS-9549
> URL: https://issues.apache.org/jira/browse/HDDS-9549
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Tsz-wo Sze
> Assignee: Tejaskriya Madhan
> Priority: Major
>
> The defaultReadBufferCapacity is long in
> BlockManagerImpl/FilePerBlockStrategy/FilePerChunkStrategy. However, it is
> casted to int when it is used as shown below.
> {code:java}
> //BufferUtils.assignByteBuffers
> for (int i = 0; i < numBuffers - 1; i++) {
> dataBuffers[i] = ByteBuffer.allocate((int) bufferCapacity);
> buffersAllocated += bufferCapacity;
> }
> {code}
> Using long as buffer capacity does NOT work for all the following
> - Java array
> - Java ByteBuffer
> - Protobuf ByteString
> - Netty ByteBuf
> It does not seem to have a good use case for having a buffer with capacity
> >=2GB.
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