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Previous database accelerator proposals such as the Q100 provide a fixed set of database operators, chosen to support a target query workload. Some queries may not be well-supported by a fixed accelerator, typically because they need more resources/operators of a particular kind than the accelerator provides. By Amdahl's law, these queries become relatively more expensive as they are not fully accelerated. We propose a second-level accelerator, DB-Mesh, to take up some of this workload. DB-Meshdoi:10.1145/3076113.3076118 dblp:conf/damon/CaoREK17 fatcat:fyt6jnrnzbgmxb5uknvj2xkepe