Module ra_system

Data Types

config()

config() = 
    #{name := atom(),
      names := names(),
      data_dir := file:filename(),
      wal_data_dir => file:filename(),
      segment_max_entries => non_neg_integer(),
      wal_max_size_bytes => non_neg_integer(),
      wal_compute_checksums => boolean(),
      wal_max_batch_size => non_neg_integer(),
      wal_max_entries => non_neg_integer(),
      wal_write_strategy => default | o_sync | sync_after_notify,
      wal_sync_method => datasync | sync | none,
      wal_hibernate_after => non_neg_integer(),
      wal_garbage_collect => boolean(),
      wal_pre_allocate => boolean(),
      snapshot_chunk_size => non_neg_integer(),
      receive_snapshot_timeout => non_neg_integer()}

names()

names() = 
    #{wal := atom(),
      wal_sup := atom(),
      log_sup := atom(),
      log_ets := atom(),
      log_meta := atom(),
      open_mem_tbls := atom(),
      closed_mem_tbls := atom(),
      segment_writer := atom(),
      server_sup := atom(),
      directory := atom(),
      directory_rev := atom()}

Function Index

start/1
start_default/0
default_config/0
derive_names/1
store/1
fetch/1
fetch/2
lookup_name/2

Function Details

start/1

start(Config :: ra_system:config()) -> supervisor:startchild_ret()

start_default/0

start_default() -> supervisor:startchild_ret()

default_config/0

default_config() -> ra_system:config()

derive_names/1

derive_names(SysName) -> any()

store/1

store(Config :: config()) -> ok

fetch/1

fetch(Name :: atom()) -> config() | undefined

fetch/2

fetch(Name :: atom(), Node :: atom()) ->
         config() | undefined | {badrpc, term()}

lookup_name/2

lookup_name(System :: atom(), Key :: atom()) ->
               {ok, atom()} | {error, system_not_started}


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