leveled/include/leveled.hrl
Martin Sumner b4c79caf7a Allow for caching of compaction scores
Potentially reduce the overheads of scoring each file on every run.

The change also alters the default thresholds for compaction to favour longer runs (which will tend towards greater storage efficiency).
2020-11-27 02:35:27 +00:00

99 lines
4.5 KiB
Erlang

% File paths
-define(JOURNAL_FP, "journal").
-define(LEDGER_FP, "ledger").
%% Tag to be used on standard Riak KV objects
-define(RIAK_TAG, o_rkv).
%% Tag to be used on K/V objects for non-Riak purposes
-define(STD_TAG, o).
%% Tag used for secondary index keys
-define(IDX_TAG, i).
%% Tag used for head-only objects
-define(HEAD_TAG, h).
%% Inker key type used for 'normal' objects
-define(INKT_STND, stnd).
%% Inker key type used for 'batch' objects
-define(INKT_MPUT, mput).
%% Inker key type used for objects which contain no value, only key changes
%% This is used currently for objects formed under a 'retain' strategy on Inker
%% compaction
-define(INKT_KEYD, keyd).
%% Inker key type used for tombstones
-define(INKT_TOMB, tomb).
-define(CACHE_TYPE, skpl).
-record(level,
{level :: integer(),
is_basement = false :: boolean(),
timestamp :: integer()}).
-record(manifest_entry,
{start_key :: tuple() | undefined,
end_key :: tuple() | undefined,
owner :: pid()|list(),
filename :: string() | undefined,
bloom :: binary() | none | undefined}).
-record(cdb_options,
{max_size :: pos_integer() | undefined,
max_count :: pos_integer() | undefined,
file_path :: string() | undefined,
waste_path :: string() | undefined,
binary_mode = false :: boolean(),
sync_strategy = sync,
log_options = leveled_log:get_opts()
:: leveled_log:log_options()}).
-record(sst_options,
{press_method = native
:: leveled_sst:press_method(),
log_options = leveled_log:get_opts()
:: leveled_log:log_options(),
max_sstslots = 256 :: pos_integer(),
pagecache_level = 1 :: pos_integer()}).
-record(inker_options,
{cdb_max_size :: integer() | undefined,
root_path :: string() | undefined,
cdb_options = #cdb_options{} :: #cdb_options{},
start_snapshot = false :: boolean(),
bookies_pid :: pid() | undefined,
source_inker :: pid() | undefined,
reload_strategy = [] :: list(),
waste_retention_period :: integer() | undefined,
compression_method = native :: lz4|native,
compress_on_receipt = false :: boolean(),
max_run_length,
singlefile_compactionperc :: float()|undefined,
maxrunlength_compactionperc :: float()|undefined,
score_onein = 1 :: pos_integer(),
snaptimeout_long :: pos_integer() | undefined}).
-record(penciller_options,
{root_path :: string() | undefined,
sst_options = #sst_options{} :: #sst_options{},
max_inmemory_tablesize :: integer() | undefined,
start_snapshot = false :: boolean(),
snapshot_query,
bookies_pid :: pid() | undefined,
bookies_mem :: tuple() | undefined,
source_penciller :: pid() | undefined,
snapshot_longrunning = true :: boolean(),
compression_method = native :: lz4|native,
levelzero_cointoss = false :: boolean(),
snaptimeout_short :: pos_integer() | undefined,
snaptimeout_long :: pos_integer() | undefined}).
-record(iclerk_options,
{inker :: pid() | undefined,
max_run_length :: integer() | undefined,
cdb_options = #cdb_options{} :: #cdb_options{},
waste_retention_period :: integer() | undefined,
compression_method = native :: lz4|native,
singlefile_compactionperc :: float()|undefined,
maxrunlength_compactionperc :: float()|undefined,
score_onein = 1 :: pos_integer(),
reload_strategy = [] :: list()}).