Details
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Task
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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None
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Q4/2026 Server Development
Description
Exploring the current state of the innodb table chunking parallel query project.
The tree being tested here is in bb-13.2-parallel_query, which is a rebase onto the main mariadb tree at commit 5104ebf86a1 (Date: Wed Aug 19 15:31:10 2026)
TPC-H queries will initially be tested against a TPROC-H scale 1 database.
Setup: as root
echo performance | tee /sys/devices/system/cpu/cpu/cpufreq/energy_performance_preference*
echo performance | tee /sys/devices/system/cpu/cpu/cpufreq/scaling_governor*
check output of lscpu -e to review how many of each sorts of cores the CPU has.
Mine is currently
root@trr:/home/rj/src/mariadb/bb-13.2-parallel_query# lscpu -e
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CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE MAXMHZ MINMHZ MHZ
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0 0 0 0 0:0:0:0 yes 5100.0000 400.0000 400.0000
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1 0 0 1 4:4:1:0 yes 5100.0000 400.0000 400.0000
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2 0 0 2 16:16:4:0 yes 5100.0000 400.0000 400.0000
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3 0 0 3 20:20:5:0 yes 5100.0000 400.0000 400.0000
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4 0 0 4 24:24:6:0 yes 5100.0000 400.0000 400.0000
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5 0 0 5 28:28:7:0 yes 5100.0000 400.0000 400.0000
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6 0 0 6 2:0 yes 4400.0000 400.0000 400.0000
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7 0 0 7 18:18:2:0 yes 4400.0000 400.0000 400.0000
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8 0 0 8 2:0 yes 4400.0000 400.0000 400.0000
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9 0 0 9 22:22:2:0 yes 4400.0000 400.0000 4288.5391
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10 0 0 10 3:0 yes 4400.0000 400.0000 400.0000
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11 0 0 11 26:26:3:0 yes 4400.0000 400.0000 4401.9058
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12 0 0 12 3:0 yes 4400.0000 400.0000 400.0000
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13 0 0 13 30:30:3:0 yes 4400.0000 400.0000 4401.4521
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14 0 0 14 64:64:8 yes 2500.0000 400.0000 2500.1499
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15 0 0 15 66:66:8 yes 2500.0000 400.0000 400.0000
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