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refactor: add SlowQueryRecorder to record slow query in system table and refactor slow query options (#6008)

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* refactor: add common-slow-query crate

* refactor: refine the naming

* chore: fix clippy

* chore: fix typo

* chore: sperate SlowQueryOptions From Logging

* chore: fix clippy

* chore: fix ci

* chore: refine the code

* chore: update config example

* refactor: use drop() to end the slow query timer

* refactor: move common-slow-query to frontend crate

* chore: polish some code

* refactor: code review

* refactor: add promql_range/promql_step/promql_start/promql_end fields in slow_queries

* refactor: add build_slow_query_logger()

* refactor: turn on slow query on frontend by default
This commit is contained in:
zyy17
2025-05-15 12:18:48 +08:00
committed by GitHub
parent c780746171
commit 14b655ea57
26 changed files with 713 additions and 249 deletions
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12
config/standalone.example.toml
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@@ -724,17 +724,21 @@ max_log_files = 720
default_ratio = 1.0
## The slow query log options.
[logging.slow_query]
[slow_query]
## Whether to enable slow query log.
enable = false
#+ enable = false
## The record type of slow queries. It can be `system_table` or `log`.
## @toml2docs:none-default
#+ record_type = "system_table"
## The threshold of slow query.
## @toml2docs:none-default
threshold = "10s"
#+ threshold = "10s"
## The sampling ratio of slow query log. The value should be in the range of (0, 1].
## @toml2docs:none-default
sample_ratio = 1.0
#+ sample_ratio = 1.0
## The datanode can export its metrics and send to Prometheus compatible service (e.g. send to `greptimedb` itself) from remote-write API.
## This is only used for `greptimedb` to export its own metrics internally. It's different from prometheus scrape.