timescaledb/5655_decompression_workers.txt at 8c7843b7a77c13508d856c257d28d02e4a3cc898 - timescaledb - Gitabc: Git with alphabet

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Sotiris Stamokostas 1a93c2d482 Improve parallel workers for decompression

So far, we have set the number of desired workers for decompression to
1. If a query touches only one chunk, we end up with one worker in a
parallel plan. Only if the query touches multiple chunks PostgreSQL
spins up multiple workers. These workers could then be used to process
the data of one chunk.

This patch removes our custom worker calculation and relies on
PostgreSQL logic to calculate the desired parallelity.

Co-authored-by: Jan Kristof Nidzwetzki <jan@timescale.com>

2023-06-02 16:16:08 +03:00

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Implements: #5655 Improve the number of parallel workers for decompression