func applyConfig(o *gorocksdb.Options, config map[string]interface{}) (
*gorocksdb.Options, error) {
cim, ok := config["create_if_missing"].(bool)
if ok {
o.SetCreateIfMissing(cim)
}
eie, ok := config["error_if_exists"].(bool)
if ok {
o.SetErrorIfExists(eie)
}
pc, ok := config["paranoid_checks"].(bool)
if ok {
o.SetParanoidChecks(pc)
}
ill, ok := config["info_log_level"].(float64)
if ok {
o.SetInfoLogLevel(gorocksdb.InfoLogLevel(int(ill)))
}
tt, ok := config["total_threads"].(float64)
if ok {
o.IncreaseParallelism(int(tt))
}
ofpl, ok := config["optimize_for_point_lookup"].(float64)
if ok {
o.OptimizeForPointLookup(uint64(ofpl))
}
olsc, ok := config["optimize_level_style_compaction"].(float64)
if ok {
o.OptimizeLevelStyleCompaction(uint64(olsc))
}
ousc, ok := config["optimize_universal_style_compaction"].(float64)
if ok {
o.OptimizeUniversalStyleCompaction(uint64(ousc))
}
wbs, ok := config["write_buffer_size"].(float64)
if ok {
o.SetWriteBufferSize(int(wbs))
}
mwbn, ok := config["max_write_buffer_number"].(float64)
if ok {
o.SetMaxWriteBufferNumber(int(mwbn))
}
mwbntm, ok := config["min_write_buffer_number_to_merge"].(float64)
if ok {
o.SetMinWriteBufferNumberToMerge(int(mwbntm))
}
mof, ok := config["max_open_files"].(float64)
if ok {
o.SetMaxOpenFiles(int(mof))
}
c, ok := config["compression"].(float64)
if ok {
o.SetCompression(gorocksdb.CompressionType(int(c)))
}
mltc, ok := config["min_level_to_compress"].(float64)
if ok {
o.SetMinLevelToCompress(int(mltc))
}
nl, ok := config["num_levels"].(float64)
if ok {
o.SetNumLevels(int(nl))
}
lfnct, ok := config["level0_file_num_compaction_trigger"].(float64)
if ok {
o.SetLevel0FileNumCompactionTrigger(int(lfnct))
}
lswt, ok := config["level0_slowdown_writes_trigger"].(float64)
if ok {
o.SetLevel0SlowdownWritesTrigger(int(lswt))
}
lstopwt, ok := config["level0_stop_writes_trigger"].(float64)
if ok {
o.SetLevel0StopWritesTrigger(int(lstopwt))
}
mmcl, ok := config["max_mem_compaction_level"].(float64)
if ok {
o.SetMaxMemCompactionLevel(int(mmcl))
}
tfsb, ok := config["target_file_size_base"].(float64)
if ok {
o.SetTargetFileSizeBase(uint64(tfsb))
}
tfsm, ok := config["target_file_size_multiplier"].(float64)
if ok {
o.SetTargetFileSizeMultiplier(int(tfsm))
}
mbflb, ok := config["max_bytes_for_level_base"].(float64)
if ok {
o.SetMaxBytesForLevelBase(uint64(mbflb))
}
mbflm, ok := config["max_bytes_for_level_multiplier"].(float64)
if ok {
o.SetMaxBytesForLevelMultiplier(int(mbflm))
}
ecf, ok := config["expanded_compaction_factor"].(float64)
if ok {
o.SetExpandedCompactionFactor(int(ecf))
}
scf, ok := config["source_compaction_factor"].(float64)
if ok {
o.SetSourceCompactionFactor(int(scf))
}
mgof, ok := config["max_grandparent_overlap_factor"].(float64)
if ok {
o.SetMaxGrandparentOverlapFactor(int(mgof))
}
dds, ok := config["disable_data_sync"].(bool)
if ok {
o.SetDisableDataSync(dds)
}
uf, ok := config["use_fsync"].(bool)
if ok {
o.SetUseFsync(uf)
}
dofpm, ok := config["delete_obsolete_files_period_micros"].(float64)
if ok {
o.SetDeleteObsoleteFilesPeriodMicros(uint64(dofpm))
}
mbc, ok := config["max_background_compactions"].(float64)
if ok {
o.SetMaxBackgroundCompactions(int(mbc))
}
mbf, ok := config["max_background_flushes"].(float64)
if ok {
o.SetMaxBackgroundFlushes(int(mbf))
}
mlfs, ok := config["max_log_file_size"].(float64)
if ok {
o.SetMaxLogFileSize(int(mlfs))
}
lfttr, ok := config["log_file_time_to_roll"].(float64)
if ok {
o.SetLogFileTimeToRoll(int(lfttr))
}
klfn, ok := config["keep_log_file_num"].(float64)
if ok {
o.SetKeepLogFileNum(int(klfn))
}
hrl, ok := config["hard_rate_limit"].(float64)
if ok {
o.SetHardRateLimit(hrl)
}
rldmm, ok := config["rate_limit_delay_max_millisecond"].(float64)
if ok {
o.SetRateLimitDelayMaxMilliseconds(uint(rldmm))
}
mmfs, ok := config["max_manifest_file_size"].(float64)
if ok {
o.SetMaxManifestFileSize(uint64(mmfs))
}
tcnsb, ok := config["table_cache_numshardbits"].(float64)
if ok {
o.SetTableCacheNumshardbits(int(tcnsb))
}
tcrscl, ok := config["table_cache_remove_scan_count_limit"].(float64)
if ok {
o.SetTableCacheRemoveScanCountLimit(int(tcrscl))
}
abs, ok := config["arena_block_size"].(float64)
if ok {
o.SetArenaBlockSize(int(abs))
}
dac, ok := config["disable_auto_compactions"].(bool)
if ok {
o.SetDisableAutoCompactions(dac)
}
wts, ok := config["WAL_ttl_seconds"].(float64)
if ok {
o.SetWALTtlSeconds(uint64(wts))
}
wslm, ok := config["WAL_size_limit_MB"].(float64)
if ok {
o.SetWalSizeLimitMb(uint64(wslm))
}
mps, ok := config["manifest_preallocation_size"].(float64)
if ok {
o.SetManifestPreallocationSize(int(mps))
}
prkwf, ok := config["purge_redundant_kvs_while_flush"].(bool)
if ok {
o.SetPurgeRedundantKvsWhileFlush(prkwf)
}
aob, ok := config["allow_os_buffer"].(bool)
if ok {
o.SetAllowOsBuffer(aob)
}
amr, ok := config["allow_mmap_reads"].(bool)
if ok {
o.SetAllowMmapReads(amr)
}
amw, ok := config["allow_mmap_writes"].(bool)
if ok {
o.SetAllowMmapWrites(amw)
}
sleor, ok := config["skip_log_error_on_recovery"].(bool)
if ok {
o.SetSkipLogErrorOnRecovery(sleor)
}
sdps, ok := config["stats_dump_period_sec"].(float64)
if ok {
o.SetStatsDumpPeriodSec(uint(sdps))
}
aroo, ok := config["advise_random_on_open"].(bool)
if ok {
o.SetAdviseRandomOnOpen(aroo)
}
ahocs, ok := config["access_hint_on_compaction_start"].(float64)
if ok {
o.SetAccessHintOnCompactionStart(gorocksdb.CompactionAccessPattern(uint(ahocs)))
}
uam, ok := config["use_adaptive_mutex"].(bool)
if ok {
o.SetUseAdaptiveMutex(uam)
}
bps, ok := config["bytes_per_sync"].(float64)
if ok {
o.SetBytesPerSync(uint64(bps))
}
cs, ok := config["compaction_style"].(float64)
if ok {
o.SetCompactionStyle(gorocksdb.CompactionStyle(uint(cs)))
}
vcic, ok := config["verify_checksums_in_compaction"].(bool)
if ok {
o.SetVerifyChecksumsInCompaction(vcic)
}
mssii, ok := config["max_sequential_skip_in_iterations"].(float64)
if ok {
o.SetMaxSequentialSkipInIterations(uint64(mssii))
}
ius, ok := config["inplace_update_support"].(bool)
if ok {
o.SetInplaceUpdateSupport(ius)
}
iunl, ok := config["inplace_update_num_locks"].(float64)
if ok {
o.SetInplaceUpdateNumLocks(int(iunl))
}
es, ok := config["enable_statistics"].(bool)
if ok && es {
o.EnableStatistics()
}
pfbl, ok := config["prepare_for_bulk_load"].(bool)
if ok && pfbl {
o.PrepareForBulkLoad()
}
// options in the block based table options object
bbto := gorocksdb.NewDefaultBlockBasedTableOptions()
lcc, ok := config["lru_cache_capacity"].(float64)
if ok {
c := gorocksdb.NewLRUCache(int(lcc))
bbto.SetBlockCache(c)
}
bfbpk, ok := config["bloom_filter_bits_per_key"].(float64)
if ok {
bf := gorocksdb.NewBloomFilter(int(bfbpk))
bbto.SetFilterPolicy(bf)
}
// set the block based table options
o.SetBlockBasedTableFactory(bbto)
return o, nil
}
func (db *rocksDB) initialize(path string, conf *config) error {
if conf == nil {
conf = newDefaultConfig()
}
// Create path if not exists first
if err := os.MkdirAll(path, 0700); err != nil {
return errors.Trace(err)
}
opts := gorocksdb.NewDefaultOptions()
opts.SetCreateIfMissing(true)
opts.SetErrorIfExists(false)
opts.SetCompression(gorocksdb.CompressionType(conf.CompressionType))
opts.SetWriteBufferSize(conf.WriteBufferSize)
opts.SetMaxOpenFiles(conf.MaxOpenFiles)
opts.SetNumLevels(conf.NumLevels)
opts.SetMaxWriteBufferNumber(conf.MaxWriteBufferNumber)
opts.SetMinWriteBufferNumberToMerge(conf.MinWriteBufferNumberToMerge)
opts.SetLevel0FileNumCompactionTrigger(conf.Level0FileNumCompactionTrigger)
opts.SetLevel0SlowdownWritesTrigger(conf.Level0SlowdownWritesTrigger)
opts.SetLevel0StopWritesTrigger(conf.Level0StopWritesTrigger)
opts.SetTargetFileSizeBase(uint64(conf.TargetFileSizeBase))
opts.SetTargetFileSizeMultiplier(conf.TargetFileSizeMultiplier)
opts.SetMaxBytesForLevelBase(uint64(conf.MaxBytesForLevelBase))
opts.SetMaxBytesForLevelMultiplier(conf.MaxBytesForLevelMultiplier)
opts.SetDisableAutoCompactions(conf.DisableAutoCompactions)
opts.SetDisableDataSync(conf.DisableDataSync)
opts.SetUseFsync(conf.UseFsync)
opts.SetMaxBackgroundCompactions(conf.MaxBackgroundCompactions)
opts.SetMaxBackgroundFlushes(conf.MaxBackgroundFlushes)
opts.SetAllowOsBuffer(conf.AllowOSBuffer)
topts := gorocksdb.NewDefaultBlockBasedTableOptions()
topts.SetBlockSize(conf.BlockSize)
cache := gorocksdb.NewLRUCache(conf.CacheSize)
topts.SetBlockCache(cache)
topts.SetFilterPolicy(gorocksdb.NewBloomFilter(conf.BloomFilterSize))
opts.SetBlockBasedTableFactory(topts)
env := gorocksdb.NewDefaultEnv()
env.SetBackgroundThreads(conf.BackgroundThreads)
env.SetHighPriorityBackgroundThreads(conf.HighPriorityBackgroundThreads)
opts.SetEnv(env)
db.path = path
db.opts = opts
db.ropt = gorocksdb.NewDefaultReadOptions()
db.wopt = gorocksdb.NewDefaultWriteOptions()
db.env = env
db.topts = topts
db.cache = cache
db.snapshotFillCache = conf.SnapshotFillCache
var err error
if db.rkdb, err = gorocksdb.OpenDb(db.opts, db.path); err != nil {
return errors.Trace(err)
}
return nil
}