Merge branch 'develop'

README.md

@@ -60,7 +60,7 @@ Create a workspace and checkout ledisdb source
 + Set ```ROCKSDB_DIR``` and ```SNAPPY_DIR``` to the actual install path in `dev.sh`.
 + ```make```
 
-
+**Because RocksDB API may change sometimes, LedisDB may not build successfully. Now LedisDB supports RocksDB version 3.5 or newest master branch. **
 
 
 ## HyperLevelDB support
@@ -89,11 +89,11 @@ Choosing a store database to use is very simple, you have two ways:
 
     Flag command set will overwrite config set.
 
-**Caveat**
+## Lua support
 
-+ You must known that changing store database runtime is very dangerous, LedisDB will not guarantee the data validation if you do it.
-+ Begin a transaction will block any other write operators before you call `commit` or `rollback`. Don't use long-time transaction. 
-+ `pcall` and `xpcall` are not supported in lua, you can see the readme in [golua](https://github.com/aarzilli/golua).
++ You must install lua by yourself first and be sure that `golua` can find and link it.
++ `go get -u github.com/siddontang/golua/lua`
++ `make`
 
 ## Configuration
 
@@ -159,6 +159,12 @@ See [Issues todo](https://github.com/siddontang/ledisdb/issues?labels=todo&page=
 + [GoDoc](https://godoc.org/github.com/siddontang/ledisdb)
 + [Server Commands](https://github.com/siddontang/ledisdb/wiki/Commands)
 
+## Caveat
+
++ You must known that changing store database runtime is very dangerous, LedisDB will not guarantee the data validation if you do it.
++ Begin a transaction will block any other write operators before you call `commit` or `rollback`. Don't use long-time transaction. 
++ `pcall` and `xpcall` are not supported in lua, you can see the readme in [golua](https://github.com/aarzilli/golua).
+
 
 ## Thanks
 

doc/commands.md

@@ -2497,7 +2497,6 @@ The optional parameter can be used to select a specific section of information:
 + server: General information about the Redis server
 + client: Client connections section
 + mem: Memory consumption related information
-+ cpu: CPU consumption statistics
 + goroutine: Goroutine num
 + persistence: Strorage related information
 

store/rocksdb/db.go

@@ -78,6 +78,7 @@ type DB struct {
 	env *Env
 
 	opts      *Options
+	blockOpts *BlockBasedTableOptions
 
 	//for default read and write options
 	readOpts     *ReadOptions
@@ -106,6 +107,7 @@ func (db *DB) open() error {
 
 func (db *DB) initOptions(cfg *config.LevelDBConfig) {
 	opts := NewOptions()
+	blockOpts := NewBlockBasedTableOptions()
 
 	opts.SetCreateIfMissing(true)
 
@@ -117,11 +119,11 @@ func (db *DB) initOptions(cfg *config.LevelDBConfig) {
 	opts.SetEnv(db.env)
 
 	db.cache = NewLRUCache(cfg.CacheSize)
-	opts.SetCache(db.cache)
+	blockOpts.SetCache(db.cache)
 
 	//we must use bloomfilter
 	db.filter = NewBloomFilter(defaultFilterBits)
-	opts.SetFilterPolicy(db.filter)
+	blockOpts.SetFilterPolicy(db.filter)
 
 	if !cfg.Compression {
 		opts.SetCompression(NoCompression)
@@ -129,7 +131,7 @@ func (db *DB) initOptions(cfg *config.LevelDBConfig) {
 		opts.SetCompression(SnappyCompression)
 	}
 
-	opts.SetBlockSize(cfg.BlockSize)
+	blockOpts.SetBlockSize(cfg.BlockSize)
 
 	opts.SetWriteBufferSize(cfg.WriteBufferSize)
 
@@ -142,7 +144,10 @@ func (db *DB) initOptions(cfg *config.LevelDBConfig) {
 	opts.SetLevel0StopWritesTrigger(64)
 	opts.SetTargetFileSizeBase(32 * 1024 * 1024)
 
+	opts.SetBlockBasedTableFactory(blockOpts)
+
 	db.opts = opts
+	db.blockOpts = blockOpts
 
 	db.readOpts = NewReadOptions()
 	db.writeOpts = NewWriteOptions()
@@ -157,20 +162,22 @@ func (db *DB) Close() error {
 		db.db = nil
 	}
 
-	db.opts.Close()
+	if db.filter != nil {
+		db.filter.Close()
+	}
 
 	if db.cache != nil {
 		db.cache.Close()
 	}
 
-	if db.filter != nil {
-		db.filter.Close()
-	}
-
 	if db.env != nil {
 		db.env.Close()
 	}
 
+	//db.blockOpts.Close()
+
+	db.opts.Close()
+
 	db.readOpts.Close()
 	db.writeOpts.Close()
 	db.iteratorOpts.Close()

store/rocksdb/options.go

@@ -25,6 +25,10 @@ type WriteOptions struct {
 	Opt *C.rocksdb_writeoptions_t
 }
 
+type BlockBasedTableOptions struct {
+	Opt *C.rocksdb_block_based_table_options_t
+}
+
 func NewOptions() *Options {
 	opt := C.rocksdb_options_create()
 	return &Options{opt}
@@ -40,6 +44,11 @@ func NewWriteOptions() *WriteOptions {
 	return &WriteOptions{opt}
 }
 
+func NewBlockBasedTableOptions() *BlockBasedTableOptions {
+	opt := C.rocksdb_block_based_options_create()
+	return &BlockBasedTableOptions{opt}
+}
+
 func (o *Options) Close() {
 	C.rocksdb_options_destroy(o.Opt)
 }
@@ -53,10 +62,6 @@ func (o *Options) SetErrorIfExists(error_if_exists bool) {
 	C.rocksdb_options_set_error_if_exists(o.Opt, eie)
 }
 
-func (o *Options) SetCache(cache *Cache) {
-	C.rocksdb_options_set_cache(o.Opt, cache.Cache)
-}
-
 func (o *Options) SetEnv(env *Env) {
 	C.rocksdb_options_set_env(o.Opt, env.Env)
 }
@@ -73,14 +78,6 @@ func (o *Options) SetMaxOpenFiles(n int) {
 	C.rocksdb_options_set_max_open_files(o.Opt, C.int(n))
 }
 
-func (o *Options) SetBlockSize(s int) {
-	C.rocksdb_options_set_block_size(o.Opt, C.size_t(s))
-}
-
-func (o *Options) SetBlockRestartInterval(n int) {
-	C.rocksdb_options_set_block_restart_interval(o.Opt, C.int(n))
-}
-
 func (o *Options) SetCompression(t CompressionOpt) {
 	C.rocksdb_options_set_compression(o.Opt, C.int(t))
 }
@@ -89,14 +86,6 @@ func (o *Options) SetCreateIfMissing(b bool) {
 	C.rocksdb_options_set_create_if_missing(o.Opt, boolToUchar(b))
 }
 
-func (o *Options) SetFilterPolicy(fp *FilterPolicy) {
-	var policy *C.rocksdb_filterpolicy_t
-	if fp != nil {
-		policy = fp.Policy
-	}
-	C.rocksdb_options_set_filter_policy(o.Opt, policy)
-}
-
 func (o *Options) SetMaxWriteBufferNumber(n int) {
 	C.rocksdb_options_set_max_write_buffer_number(o.Opt, C.int(n))
 }
@@ -141,6 +130,34 @@ func (o *Options) SetMaxBytesForLevelMultiplier(n int) {
 	C.rocksdb_options_set_max_bytes_for_level_multiplier(o.Opt, C.int(n))
 }
 
+func (o *Options) SetBlockBasedTableFactory(opt *BlockBasedTableOptions) {
+	C.rocksdb_options_set_block_based_table_factory(o.Opt, opt.Opt)
+}
+
+func (o *BlockBasedTableOptions) Close() {
+	C.rocksdb_block_based_options_destroy(o.Opt)
+}
+
+func (o *BlockBasedTableOptions) SetFilterPolicy(fp *FilterPolicy) {
+	var policy *C.rocksdb_filterpolicy_t
+	if fp != nil {
+		policy = fp.Policy
+	}
+	C.rocksdb_block_based_options_set_filter_policy(o.Opt, policy)
+}
+
+func (o *BlockBasedTableOptions) SetBlockSize(s int) {
+	C.rocksdb_block_based_options_set_block_size(o.Opt, C.size_t(s))
+}
+
+func (o *BlockBasedTableOptions) SetBlockRestartInterval(n int) {
+	C.rocksdb_block_based_options_set_block_restart_interval(o.Opt, C.int(n))
+}
+
+func (o *BlockBasedTableOptions) SetCache(cache *Cache) {
+	C.rocksdb_block_based_options_set_block_cache(o.Opt, cache.Cache)
+}
+
 func (ro *ReadOptions) Close() {
 	C.rocksdb_readoptions_destroy(ro.Opt)
 }