Page Comparison

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0 us ---- InfRcTransport Poller picks ups incoming RPC [dispatch thread]
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255 ns -- Invoke service.handleRpc()                   [worker thread]
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833 ns -- Completed service.handleRpc()                [worker thread]
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991 ns -- Begin sending reply                          [dispatch thread]
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1.8 us -- Completed sending reply                      [dispatch thread]

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More detailed timeline

Just as we did for the master, we have the cdf's for the events on the backup server:

Event Invoking appendToBuffer() [dispatch]

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Event Completed appendToBuffer() [dispatch]

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Event Invoking serviceManager->handleRpc() [dispatch]

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Event Completed serviceManager->handleRpc() [dispatch]

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Event Invoking service.handleRpc() [worker]

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Event Invoking service.dispatch() [worker]

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Event Invoking callHandler() [worker]

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Event Invoking SegmentInfo->write() [worker]

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Event Completed SegmentInfo->write() [worker]

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Event Completed callHandler() [worker]

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Event Completed service.dispatch() [worker]

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Event Completed service.handleRpc() [worker]

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Event Invoking worker->rpc->sendReply() [dispatch]

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Event Invoking postSend() [dispatch]

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Event Completed postSend() [dispatch]

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Event Completed worker->rpc->sendReply() [dispatch]

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Benchmark IB Send vs. RDMA

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