Zhijun Fu created ARROW-4711:
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Summary: [Plasma] enhance plasma client interfaces to work with
multiple objects
Key: ARROW-4711
URL: https://issues.apache.org/jira/browse/ARROW-4711
Project: Apache Arrow
Issue Type: Improvement
Components: C++ - Plasma
Reporter: Zhijun Fu
Right now the Delete() interface in plasma client supports deleting multiple
objects in a single shot, so that we can save IPCs (inter-processing
communication) between plasma clients and plasma store. This reduces latency
for plasma clients, and also improve the actual throughput for plasma store.
I made a simple prototype for changing Release() function as well, when
batching release 10 objects in a single IPC, it only takes about 1/6 of the
time compared with using 10 separate IPCs. Also from profiling, processing IPCs
takes a lot of CPU cycles in plasma store currently, as UNIX domain socket
processing needs to go through kernel, thus batching multiple IPCs into a
single one should greatly improve the plasma store performance as well.
This change mostly applies to Release(), Seal(), and Create() interfaces.
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