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  1. Spark
  2. SPARK-25055

MessageWithHeader transfer ByteBuffer from Netty's CompositeByteBuf many times

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Duplicate
    • 2.3.1
    • None
    • Block Manager, Spark Core
    • None

    Description

      MessageWithHeader transfer header and body if they are ByteBuf, in the case of  fetch remote big block with greater than 'NIO_BUFFER_LIMIT', because of ChunkedByteBuffer#toNetty avoid consolidate, CompositeByteBuf.nioByteBuf will allocate from heap every times,  lead to fetch timeout.

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          relates to

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-21517 Fetch local data via block manager cause oom

          • Major - Major loss of function.
          • Resolved

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              Unassigned Unassigned
              Deng FEI DENG FEI
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              Dates

                Created:
                Updated:
                Resolved: