List of fetchChunk() Examples

Examples of fetchChunk()

org.apache.spark.network.client.TransportClient.fetchChunk()

Requests a single chunk from the remote side, from the pre-negotiated streamId. Chunk indices go from 0 onwards. It is valid to request the same chunk multiple times, though some streams may not support this. Multiple fetchChunk requests may be outstanding simultaneously, and the chunks are guaranteed to be returned in the same order that they were requested, assuming only a single TransportClient is used to fetch the chunks. @param streamId Identifier that refers to a stream in the remote StreamManager. This shouldbe agreed upon by client and server beforehand. @param chunkIndex 0-based index of the chunk to fetch @param callback Callback invoked upon successful receipt of chunk, or upon any failure.

        sem.release();
      }
    };


    for (int chunkIndex : chunkIndices) {
      client.fetchChunk(STREAM_ID, chunkIndex, callback);
    }
    if (!sem.tryAcquire(chunkIndices.size(), 5, TimeUnit.SECONDS)) {
      fail("Timeout getting response from the server");
    }
    client.close();

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Examples of fetchChunk()

Examples of org.apache.spark.network.client.TransportClient.fetchChunk()