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Adjust percentile bench case #422

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Adjust percentile bench case #422

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a75205d
adjust percentile bench case
liammclennan Jul 25, 2025
3e6bc6e
bench query the last 2h
liammclennan Jul 25, 2025
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28 changes: 14 additions & 14 deletions src/SeqCli/Cli/Commands/Bench/BenchCases.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2,57 +2,57 @@
"cases": [
{
"id": "count-all",
"query": "select count(*) from stream where @Timestamp >= now() - 30d for no_cache",
"query": "select count(*) from stream where @Timestamp >= now() - 2h for no_cache",
"notes": "Tests page traversal performance only; avoids data copies, serialization, and evaluation."
},
{
"id": "multiple-reductions",
"query": "select count(*), sum(A), min(B), max(C) from stream where @Timestamp >= now() - 30d for no_cache",
"query": "select count(*), sum(A), min(B), max(C) from stream where @Timestamp >= now() - 2h for no_cache",
"notes": "Reducer performance. Percentile is excluded because it prevents parallelization unless time-grouped."
},
{
"id": "percentile-by-12h",
"query": "select percentile(@Timestamp % 1ms, 90) from stream where @Timestamp >= now() - 30d group by @Level, time(12h) for no_cache",
"id": "percentile-by-time",
"query": "select percentile(@Timestamp % 1ms, 90) from stream where @Timestamp >= now() - 2h group by @Level, time(2m) for no_cache",
"notes": "Common reducer/grouping combination used when monitoring performance."
},
{
"id": "count-with-request-id",
"query": "select count(*) from stream where RequestId is not null and @Timestamp >= now() - 30d for no_cache",
"query": "select count(*) from stream where RequestId is not null and @Timestamp >= now() - 2h for no_cache",
"notes": "Tests sparse deserialization and condition evaluation atop basic page traversal."
},
{
"id": "count-exception-starts-with-sys",
"query": "select count(*) from stream where @Exception like 'Sys%' and @Timestamp >= now() - 30d for no_cache",
"query": "select count(*) from stream where @Exception like 'Sys%' and @Timestamp >= now() - 2h for no_cache",
"notes": "Text search performance. Chooses 'Sys' because in .NET data there should be some hits."
},
{
"id": "count-message-starts-with-fai",
"query": "select count(*) from stream where @Message like 'Fai%' and @Timestamp >= now() - 30d for no_cache",
"query": "select count(*) from stream where @Message like 'Fai%' and @Timestamp >= now() - 2h for no_cache",
"notes": "Text search performance; worse on @Message than other properties because fragment pre-filtering is not used."
},
{
"id": "group-by-level",
"query": "select count(*) from stream where @Timestamp >= now() - 30d group by @Level for no_cache",
"query": "select count(*) from stream where @Timestamp >= now() - 2h group by @Level for no_cache",
"notes": "Grouping performance, strings, small number of groups."
},
{
"id": "group-by-millisecond",
"query": "select count(*) from stream where @Timestamp >= now() - 30d group by @Timestamp % 1ms limit 100 for no_cache",
"query": "select count(*) from stream where @Timestamp >= now() - 2h group by @Timestamp % 1ms limit 100 for no_cache",
"notes": "Grouping performance, numbers, up to 10000 groups."
},
{
"id": "group-by-12h",
"query": "select count(*) from stream where @Timestamp >= now() - 30d group by time(12h) for no_cache",
"id": "group-by-time",
"query": "select count(*) from stream where @Timestamp >= now() - 2h group by time(2m) for no_cache",
"notes": "Time partitioning performance."
},
{
"id": "distinct-exception-20ch-limit-100",
"query": "select distinct(substring(@Exception, 0, 20)) from stream where @Exception is not null and @Timestamp >= now() - 30d limit 100",
"query": "select distinct(substring(@Exception, 0, 20)) from stream where @Exception is not null and @Timestamp >= now() - 2h limit 100",
"notes": "Distinct on computed text."
},
{
"id": "order-by-ts-mod-10k",
"query": "select @Timestamp from stream where @Timestamp >= now() - 30d order by @Timestamp % 1ms limit 10",
"query": "select @Timestamp from stream where @Timestamp >= now() - 2h order by @Timestamp % 1ms limit 10",
"notes": "Tests performance of limited sort."
},
{
Expand All @@ -67,7 +67,7 @@
},
{
"id": "count-where-heavy-predicate",
"query": "select count(*) from stream where (A = 1 or B = '2' or C or D <> null or length(E) > 5 or F = {f: 6} or G = '7' or H like '8%' or I > 9 or J % 10 = 0) and @Timestamp >= now() - 30d for no_cache",
"query": "select count(*) from stream where (A = 1 or B = '2' or C or D <> null or length(E) > 5 or F = {f: 6} or G = '7' or H like '8%' or I > 9 or J % 10 = 0) and @Timestamp >= now() - 2h for no_cache",
"notes": "Tests expression evaluation performance."
}
]
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