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test(perf): add real indexed postings regression fixture

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Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
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discord9
2026-09-29 18:14:33 +08:00
parent b8286499d0
commit fa5f44ac60
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tests/perf/query_cases/opt08_many_postings/case.toml
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# Fixture-only OPT08 Stage A case: one wide (all-matching) indexed host regex
# predicate over inverted-index SSTs produced by a real Prometheus remote-write
# ingest. Expected counts for manual inspection only; no regression threshold is
# set, so no speedup can be assumed from this case:
# host ~ '^host.*$' -> 131072 (2048 series x 64 samples)
# count(*) -> 131072 (no-filter control)
# host = 'host9999' -> 0 (absent control; hosts are host0000..host1023)
# The single EXPLAIN ANALYZE VERBOSE sample is the diagnostic for OPT08 index
# behavior, but it is not a comparable measurement, and its aggregate metrics
# cannot by themselves prove how many postings one file contributed to one call.
# sample_chunk_size=64 with flush_every_sample_chunks=1 fixes the flush layout
# without changing the expected counts.
[case]
name = "opt08_many_postings"
description = "OPT08 Stage A wide indexed host predicate over flushed inverted-index Prometheus SSTs"
[scenario]
kind = "prom_remote_write_then_query"
[scenario.remote_write]
database = "public"
metric = "opt08_many_postings"
physical_table = "opt08_many_postings_physical"
disable_index_result_cache = true
series_count = 2048
samples_per_series = 64
sample_chunk_size = 64
flush_every_sample_chunks = 1
start_unix_millis = 1704067200000
step_millis = 15000
chunk_series_count = 256
timeout_seconds = 600
visibility_timeout_seconds = 120
base_setup_sql = [
"CREATE TABLE opt08_many_postings_physical (greptime_timestamp TIMESTAMP TIME INDEX, greptime_value DOUBLE) ENGINE=metric WITH ('physical_metric_table'='', 'index.type'='inverted', 'compaction.twcs.trigger_file_num'='100')",
]
candidate_setup_sql = [
"CREATE TABLE opt08_many_postings_physical (greptime_timestamp TIMESTAMP TIME INDEX, greptime_value DOUBLE) ENGINE=metric WITH ('physical_metric_table'='', 'index.type'='inverted', 'compaction.twcs.trigger_file_num'='100')",
]
[scenario.remote_write.prom_store]
pending_rows_flush_interval = "1s"
max_batch_rows = 100000
[[scenario.queries]]
name = "host_regex_all_present"
kind = "sql"
query = "SELECT count(*) FROM opt08_many_postings WHERE host ~ '^host.*$'"
warmup = 3
iterations = 20
[[scenario.queries]]
name = "explain_host_regex_all_present"
kind = "sql"
query = "EXPLAIN ANALYZE VERBOSE SELECT count(*) FROM opt08_many_postings WHERE host ~ '^host.*$'"
warmup = 0
iterations = 1
[[scenario.queries]]
name = "all_rows_control"
kind = "sql"
query = "SELECT count(*) FROM opt08_many_postings"
warmup = 3
iterations = 9
[[scenario.queries]]
name = "absent_host_control"
kind = "sql"
query = "SELECT count(*) FROM opt08_many_postings WHERE host = 'host9999'"
warmup = 3
iterations = 9