# Node running mode, see `standalone.example.toml`.
mode = "distributed"
# The datanode identifier, should be unique.
node_id = 42
# gRPC server address, "127.0.0.1:3001" by default.
rpc_addr = "127.0.0.1:3001"
# Hostname of this node.
rpc_hostname = "127.0.0.1"
# The number of gRPC server worker threads, 8 by default.
rpc_runtime_size = 8
# Start services after regions have obtained leases.
# It will block the datanode start if it can't receive leases in the heartbeat from metasrv.
require_lease_before_startup = false

[heartbeat]
# Interval for sending heartbeat messages to the Metasrv in milliseconds, 3000 by default.
interval_millis = 3000

# Metasrv client options.
[meta_client]
# Metasrv address list.
metasrv_addrs = ["127.0.0.1:3002"]
# Heartbeat timeout in milliseconds, 500 by default.
heartbeat_timeout_millis = 500
# Operation timeout in milliseconds, 3000 by default.
timeout_millis = 3000
# Connect server timeout in milliseconds, 5000 by default.
connect_timeout_millis = 1000
# `TCP_NODELAY` option for accepted connections, true by default.
tcp_nodelay = true

# WAL options, see `standalone.example.toml`.
[wal]
# WAL data directory
# dir = "/tmp/greptimedb/wal"
file_size = "256MB"
purge_threshold = "4GB"
purge_interval = "10m"
read_batch_size = 128
sync_write = false

# Storage options, see `standalone.example.toml`.
[storage]
# The working home directory.
data_home = "/tmp/greptimedb/"
type = "File"
# TTL for all tables. Disabled by default.
# global_ttl = "7d"

# Cache configuration for object storage such as 'S3' etc.
# The local file cache directory
# cache_path = "/path/local_cache"
# The local file cache capacity in bytes.
# cache_capacity = "256Mib"

# Compaction options, see `standalone.example.toml`.
[storage.compaction]
max_inflight_tasks = 4
max_files_in_level0 = 8
max_purge_tasks = 32

# Storage manifest options
[storage.manifest]
# Region checkpoint actions margin.
# Create a checkpoint every <checkpoint_margin> actions.
checkpoint_margin = 10
# Region manifest logs and checkpoints gc execution duration
gc_duration = '10m'

# Storage flush options
[storage.flush]
# Max inflight flush tasks.
max_flush_tasks = 8
# Default write buffer size for a region.
region_write_buffer_size = "32MB"
# Interval to check whether a region needs flush.
picker_schedule_interval = "5m"
# Interval to auto flush a region if it has not flushed yet.
auto_flush_interval = "1h"
# Global write buffer size for all regions.
global_write_buffer_size = "1GB"

# Mito engine options
[[region_engine]]
[region_engine.mito]
# Number of region workers
num_workers = 8
# Request channel size of each worker
worker_channel_size = 128
# Max batch size for a worker to handle requests
worker_request_batch_size = 64
# Number of meta action updated to trigger a new checkpoint for the manifest
manifest_checkpoint_distance = 10
# Manifest compression type
manifest_compress_type = "Uncompressed"
# Max number of running background jobs
max_background_jobs = 4
# Interval to auto flush a region if it has not flushed yet.
auto_flush_interval = "1h"
# Global write buffer size for all regions.
global_write_buffer_size = "1GB"
# Global write buffer size threshold to reject write requests (default 2G).
global_write_buffer_reject_size = "2GB"

# Log options
# [logging]
# Specify logs directory.
# dir = "/tmp/greptimedb/logs"
# Specify the log level [info | debug | error | warn]
# level = "info"