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smalldatum.blogspot.com

2023

RocksDB 8.x benchmarks: large server, cached databaseoriginal ↗
29 Dec 2023
RocksDB 8.x benchmarks: large server, cached databaseoriginal ↗
29 Dec 2023
Create InnoDB indexes 2X faster with this simple trickoriginal ↗
24 Dec 2023
Create InnoDB indexes 2X faster with this simple trickoriginal ↗
24 Dec 2023
What is the cost of the performance schema in MySQL 5.7 and 8.0: small server, cached database, simple queriesoriginal ↗
19 Dec 2023
What is the cost of the performance schema in MySQL 5.7 and 8.0: small server, cached database, simple queriesoriginal ↗
19 Dec 2023
Perf regressions in MySQL from 5.6 to 8.0 using the Insert Benchmark and a small server, Dec23: part 1original ↗
18 Dec 2023
Perf regressions in MySQL from 5.6 to 8.0 using the Insert Benchmark and a small server, Dec23: part 1original ↗
18 Dec 2023
Explaining changes in MySQL performance via hardware perf counters: part 4original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 3original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 4original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 3original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 2original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 2original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 1original ↗
27 Nov 2023
Explaining changes in MySQL performance via hardware perf counters: part 1original ↗
27 Nov 2023
Checking RocksDB 8.x for performance regressions on a large server, part 2original ↗
16 Nov 2023
Checking RocksDB 8.x for performance regressions on a large server, part 2original ↗
16 Nov 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using the Insert Benchmark and a medium server, part 1original ↗
15 Nov 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using the Insert Benchmark and a medium server, part 1original ↗
15 Nov 2023
Fixing bug 109595 makes MySQL almost 4X faster on the Insert Benchmarkoriginal ↗
8 Nov 2023
Fixing bug 109595 makes MySQL almost 4X faster on the Insert Benchmarkoriginal ↗
8 Nov 2023
Checking RocksDB 4.x thru 8.x for performance regressions on a small server: IO-bound with O_DIRECToriginal ↗
7 Nov 2023
Checking RocksDB 4.x thru 8.x for performance regressions on a small server: IO-bound with buffered IOoriginal ↗
7 Nov 2023
Checking RocksDB 4.x thru 8.x for performance regressions on a small server: cached workloadoriginal ↗
7 Nov 2023
Checking RocksDB 4.x thru 8.x for performance regressions on a small server: IO-bound with O_DIRECToriginal ↗
7 Nov 2023
Checking RocksDB 4.x thru 8.x for performance regressions on a small server: IO-bound with buffered IOoriginal ↗
7 Nov 2023
Checking RocksDB 4.x thru 8.x for performance regressions on a small server: cached workloadoriginal ↗
7 Nov 2023
Debugging perf changes in RocksDB 8.6 on a small serveroriginal ↗
6 Nov 2023
Debugging perf changes in RocksDB 8.6 on a small serveroriginal ↗
6 Nov 2023
Postgres vs MySQL: the impact of CPU overhead on performanceoriginal ↗
31 Oct 2023
Postgres vs MySQL: the impact of CPU overhead on performanceoriginal ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 5original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 5original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 4original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 4original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 3original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 3original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 2original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 2original ↗
31 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 1original ↗
30 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.35 using sysbench and a medium server, part 1original ↗
30 Oct 2023
Perf regressions for MySQL/InnoDB vs the Insert Benchmark: 8.0.28 to 8.0.30original ↗
23 Oct 2023
Perf regressions for MySQL/InnoDB vs the Insert Benchmark: 8.0.28 to 8.0.30original ↗
23 Oct 2023
Checking RocksDB 7.x and 8.x for performance regressions on a large serveroriginal ↗
20 Oct 2023
Checking RocksDB 7.x and 8.x for performance regressions on a large serveroriginal ↗
20 Oct 2023
Variance in RocksDB benchmarksoriginal ↗
10 Oct 2023
Variance in RocksDB benchmarksoriginal ↗
10 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using the Insert Benchmark and a small server, part 2original ↗
9 Oct 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using the Insert Benchmark and a small server, part 2original ↗
9 Oct 2023
Variance in peak RSS with jemalloc 5.2.1, part 2original ↗
2 Oct 2023
Variance in peak RSS with jemalloc 5.2.1, part 2original ↗
2 Oct 2023
Postgres versions 11, 12, 13, 14, 15, and 16 vs sysbench with a medium serveroriginal ↗
2 Oct 2023
Postgres versions 11, 12, 13, 14, 15, and 16 vs sysbench with a medium serveroriginal ↗
2 Oct 2023
Trying out OrioleDBoriginal ↗
26 Sept 2023
Trying out OrioleDBoriginal ↗
26 Sept 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a large server, revisitedoriginal ↗
26 Sept 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a large server, revisitedoriginal ↗
26 Sept 2023
Checking Postgres for perf regressions from 11.21 to 16.0 with sysbench and a small serveroriginal ↗
25 Sept 2023
Checking Postgres for perf regressions from 11.21 to 16.0 with sysbench and a small serveroriginal ↗
25 Sept 2023
Variance in peak RSS with jemalloc 5.2.1original ↗
25 Sept 2023
Variance in peak RSS with jemalloc 5.2.1original ↗
25 Sept 2023
Postgres 16.0, sysbench and a medium serveroriginal ↗
23 Sept 2023
Postgres 16.0, sysbench and a medium serveroriginal ↗
23 Sept 2023
Postgres 16.0, sysbench and a small serveroriginal ↗
23 Sept 2023
Postgres 16.0, sysbench and a small serveroriginal ↗
23 Sept 2023
Hello world!original ↗
22 Sept 2023
Hello world!original ↗
22 Sept 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using the Insert Benchmark and a small serveroriginal ↗
19 Sept 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using the Insert Benchmark and a small serveroriginal ↗
19 Sept 2023
Postgres 16.0 vs the Insert Benchmark on a medium serveroriginal ↗
18 Sept 2023
Postgres 16.0 vs the Insert Benchmark on a medium serveroriginal ↗
18 Sept 2023
Postgres 16.0 vs the Insert Benchmark on a small serveroriginal ↗
18 Sept 2023
Postgres 16.0 vs the Insert Benchmark on a small serveroriginal ↗
18 Sept 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using sysbench and a small serveroriginal ↗
12 Sept 2023
Perf regressions in MySQL from 5.6.21 to 8.0.34 using sysbench and a small serveroriginal ↗
12 Sept 2023
Checking jemalloc versions for RSS regressions with MyRocks and the Insert Benchmarkoriginal ↗
11 Sept 2023
Checking jemalloc versions for RSS regressions with MyRocks and the Insert Benchmarkoriginal ↗
11 Sept 2023
Chasing a performance regression in MyRocks vs the Insert Benchmarkoriginal ↗
6 Sept 2023
Chasing a performance regression in MyRocks vs the Insert Benchmarkoriginal ↗
6 Sept 2023
Postgres 16, sysbench and a small serveroriginal ↗
2 Sept 2023
Postgres 16, sysbench and a small serveroriginal ↗
2 Sept 2023
RocksDB and glibc malloc don't play nice togetheroriginal ↗
27 Aug 2023
RocksDB and glibc malloc don't play nice togetheroriginal ↗
27 Aug 2023
Postgres 16 beta3 and the Insert Benchmark on a small serveroriginal ↗
26 Aug 2023
Postgres 16 beta3 and the Insert Benchmark on a small serveroriginal ↗
26 Aug 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a large serveroriginal ↗
25 Aug 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a large serveroriginal ↗
25 Aug 2023
Checking MyRocks 5.6 for regressions with sysbench and a small server, part 2original ↗
23 Aug 2023
Checking MyRocks 5.6 for regressions with sysbench and a small server, part 2original ↗
23 Aug 2023
The impact from hyperthreading for RocksDB db_bench on a medium serveroriginal ↗
22 Aug 2023
The impact from hyperthreading for RocksDB db_bench on a medium serveroriginal ↗
22 Aug 2023
Checking MyRocks 5.6 for regressions with sysbench and a medium server, part 3original ↗
22 Aug 2023
Checking MyRocks 5.6 for regressions with sysbench and a medium server, part 3original ↗
22 Aug 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a small server, part 2original ↗
17 Aug 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a small server, part 2original ↗
17 Aug 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a medium server, part 2original ↗
17 Aug 2023
Checking MyRocks 5.6 for regressions with the Insert Benchmark and a medium server, part 2original ↗
17 Aug 2023
Tuning Postgres 15.2 and 15.3 for the Insert Benchmark on a small serveroriginal ↗
16 Aug 2023
Tuning Postgres 15.2 and 15.3 for the Insert Benchmark on a small serveroriginal ↗
16 Aug 2023
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