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Adrien Piquerez
0ccf3325c8
To build the index of all aggregate keys, we were computing the reverse aggregation of each key, before indexing them. And so each aggregate key was indexed many times, once for each aggregated project. It was parallelized to reduce the latency. In this PR, we compute the reverse aggregation of all the keys at once, removing all duplication. We cannot parallelize this process anymore but we don't need to, because it is a lot faster. It reduces the total CPU time by 12%. The impact for the user depends on its number of cores.
sbt
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