mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-04 12:22:55 +00:00
6a634f8e5d
* feat: Use DATANODE_LEASE_SECS from distributed_time_constants for heartbeat pause duration * feat: introduce `RegionFailureDetectorController` to manage region failure detectors * feat: add `RegionFailureDetectorController` to `DdlContext` * feat: add `region_failure_detector_controller` to `Context` in region migration * feat: register region failure detectors during rollback region migration procedure * feat: deregister region failure detectors during drop table procedure * feat: register region failure detectors during create table procedure * fix: update meta config * chore: apply suggestions from CR * chore: avoid cloning * chore: rename * chore: reduce the size of the test * chore: apply suggestions from CR * chore: move channel initialization into `RegionSupervisor::channel` * chore: minor refactor * chore: rename ident
159 lines
4.7 KiB
TOML
159 lines
4.7 KiB
TOML
## The working home directory.
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data_home = "/tmp/metasrv/"
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## The bind address of metasrv.
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bind_addr = "127.0.0.1:3002"
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## The communication server address for frontend and datanode to connect to metasrv, "127.0.0.1:3002" by default for localhost.
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server_addr = "127.0.0.1:3002"
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## Etcd server address.
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store_addr = "127.0.0.1:2379"
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## Datanode selector type.
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## - `lease_based` (default value).
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## - `load_based`
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## For details, please see "https://docs.greptime.com/developer-guide/metasrv/selector".
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selector = "lease_based"
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## Store data in memory.
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use_memory_store = false
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## Whether to enable greptimedb telemetry.
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enable_telemetry = true
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## If it's not empty, the metasrv will store all data with this key prefix.
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store_key_prefix = ""
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## The runtime options.
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[runtime]
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## The number of threads to execute the runtime for global read operations.
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read_rt_size = 8
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## The number of threads to execute the runtime for global write operations.
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write_rt_size = 8
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## The number of threads to execute the runtime for global background operations.
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bg_rt_size = 4
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## Procedure storage options.
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[procedure]
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## Procedure max retry time.
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max_retry_times = 12
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## Initial retry delay of procedures, increases exponentially
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retry_delay = "500ms"
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## Auto split large value
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## GreptimeDB procedure uses etcd as the default metadata storage backend.
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## The etcd the maximum size of any request is 1.5 MiB
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## 1500KiB = 1536KiB (1.5MiB) - 36KiB (reserved size of key)
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## Comments out the `max_metadata_value_size`, for don't split large value (no limit).
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max_metadata_value_size = "1500KiB"
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# Failure detectors options.
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[failure_detector]
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threshold = 8.0
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min_std_deviation = "100ms"
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acceptable_heartbeat_pause = "10000ms"
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first_heartbeat_estimate = "1000ms"
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## Datanode options.
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[datanode]
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## Datanode client options.
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[datanode.client]
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timeout = "10s"
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connect_timeout = "10s"
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tcp_nodelay = true
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[wal]
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# Available wal providers:
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# - `raft_engine` (default): there're none raft-engine wal config since metasrv only involves in remote wal currently.
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# - `kafka`: metasrv **have to be** configured with kafka wal config when using kafka wal provider in datanode.
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provider = "raft_engine"
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# Kafka wal config.
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## The broker endpoints of the Kafka cluster.
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broker_endpoints = ["127.0.0.1:9092"]
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## Number of topics to be created upon start.
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num_topics = 64
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## Topic selector type.
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## Available selector types:
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## - `round_robin` (default)
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selector_type = "round_robin"
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## A Kafka topic is constructed by concatenating `topic_name_prefix` and `topic_id`.
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topic_name_prefix = "greptimedb_wal_topic"
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## Expected number of replicas of each partition.
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replication_factor = 1
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## Above which a topic creation operation will be cancelled.
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create_topic_timeout = "30s"
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## The initial backoff for kafka clients.
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backoff_init = "500ms"
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## The maximum backoff for kafka clients.
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backoff_max = "10s"
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## Exponential backoff rate, i.e. next backoff = base * current backoff.
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backoff_base = 2
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## Stop reconnecting if the total wait time reaches the deadline. If this config is missing, the reconnecting won't terminate.
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backoff_deadline = "5mins"
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## The logging options.
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[logging]
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## The directory to store the log files.
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dir = "/tmp/greptimedb/logs"
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## The log level. Can be `info`/`debug`/`warn`/`error`.
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## +toml2docs:none-default
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level = "info"
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## Enable OTLP tracing.
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enable_otlp_tracing = false
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## The OTLP tracing endpoint.
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## +toml2docs:none-default
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otlp_endpoint = ""
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## Whether to append logs to stdout.
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append_stdout = true
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## The percentage of tracing will be sampled and exported.
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## Valid range `[0, 1]`, 1 means all traces are sampled, 0 means all traces are not sampled, the default value is 1.
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## ratio > 1 are treated as 1. Fractions < 0 are treated as 0
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[logging.tracing_sample_ratio]
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default_ratio = 1.0
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## The datanode can export its metrics and send to Prometheus compatible service (e.g. send to `greptimedb` itself) from remote-write API.
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## This is only used for `greptimedb` to export its own metrics internally. It's different from prometheus scrape.
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[export_metrics]
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## whether enable export metrics.
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enable = false
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## The interval of export metrics.
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write_interval = "30s"
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## For `standalone` mode, `self_import` is recommend to collect metrics generated by itself
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[export_metrics.self_import]
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## +toml2docs:none-default
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db = "information_schema"
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[export_metrics.remote_write]
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## The url the metrics send to. The url example can be: `http://127.0.0.1:4000/v1/prometheus/write?db=information_schema`.
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url = ""
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## HTTP headers of Prometheus remote-write carry.
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headers = { }
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## The tracing options. Only effect when compiled with `tokio-console` feature.
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[tracing]
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## The tokio console address.
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## +toml2docs:none-default
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tokio_console_addr = "127.0.0.1"
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