[jira] [Created] (APEXMALHAR-2126) Suggest: Share Slice Buffer

["bright chen (JIRA)" <ji...@apache.org>]

bright chen created APEXMALHAR-2126:
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             Summary: Suggest: Share Slice Buffer
                 Key: APEXMALHAR-2126
                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2126
             Project: Apache Apex Malhar
          Issue Type: Improvement
            Reporter: bright chen


I think the intention of Slice(com.datatorrent.netlet.util.Slice) was to share the buffer and avoid unnecessary memory allocation/deallocation. But the intension is not self-explain and lack of method to share the memory. And the util class org.apache.apex.malhar.lib.utils.serde.SliceUtils also create new memory and copy the data.

I suggest to implement another class(Say BufferSlice), which 
- initialize buffer with relative large buffer
- support append(byte[] data, int offset, int length)
- dynamic reallocated buffer or throw exception when buffer is full ( based on the management strategy)



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