go-ycsb

go-ycsb is a Go port of YCSB. It fully supports all YCSB generators and the Core workload so we can do the basic CRUD benchmarks with Go.

Why another Go YCSB?

We want to build a standard benchmark tool in Go.
We are not familiar with Java.

Getting Started

Download

https://github.com/pingcap/go-ycsb/releases/latest

Linux

wget -c https://github.com/pingcap/go-ycsb/releases/latest/download/go-ycsb-linux-amd64.tar.gz -O - | tar -xz

# give it a try
./go-ycsb --help

OSX

wget -c https://github.com/pingcap/go-ycsb/releases/latest/download/go-ycsb-darwin-amd64.tar.gz -O - | tar -xz

# give it a try
./go-ycsb --help

Building from source

git clone https://github.com/pingcap/go-ycsb.git
cd go-ycsb
make

# give it a try
./bin/go-ycsb  --help

Notice:

Minimum supported go version is 1.16.
To use FoundationDB, you must install client library at first, now the supported version is 6.2.11.
To use RocksDB, you must follow INSTALL to install RocksDB at first.

Usage

Mostly, we can start from the official document Running-a-Workload.

Shell

./bin/go-ycsb shell basic
» help
YCSB shell command

Usage:
  shell [command]

Available Commands:
  delete      Delete a record
  help        Help about any command
  insert      Insert a record
  read        Read a record
  scan        Scan starting at key
  table       Get or [set] the name of the table
  update      Update a record

Load

./bin/go-ycsb load basic -P workloads/workloada

Run

./bin/go-ycsb run basic -P workloads/workloada

Supported Database

MySQL / TiDB
TiKV
FoundationDB
Aerospike
Badger
Cassandra / ScyllaDB
Pegasus
PostgreSQL / CockroachDB / AlloyDB / Yugabyte
RocksDB
Spanner
Sqlite
MongoDB
Redis and Redis Cluster
BoltDB
etcd
DynamoDB

Output configuration

field	default value	description
measurementtype	"histogram"	The mechanism for recording measurements, one of `histogram`, `raw` or `csv`
measurement.output_file	""	File to write output to, default writes to stdout

Database Configuration

You can pass the database configurations through -p field=value in the command line directly.

Common configurations:

field	default value	description
dropdata	false	Whether to remove all data before test
verbose	false	Output the execution query
debug.pprof	":6060"	Go debug profile address

MySQL & TiDB

field	default value	description
mysql.host	"127.0.0.1"	MySQL Host
mysql.port	3306	MySQL Port
mysql.user	"root"	MySQL User
mysql.password		MySQL Password
mysql.db	"test"	MySQL Database
tidb.cluster_index	true	Whether to use cluster index, for TiDB only
tidb.instances	""	Comma-seperated address list of tidb instances (eg: `tidb-0:4000,tidb-1:4000`)

TiKV

field	default value	description
tikv.pd	"127.0.0.1:2379"	PD endpoints, seperated by comma
tikv.type	"raw"	TiKV mode, "raw", "txn", or "coprocessor"
tikv.conncount	128	gRPC connection count
tikv.batchsize	128	Request batch size
tikv.async_commit	true	Enalbe async commit or not
tikv.one_pc	true	Enable one phase or not
tikv.apiversion	"V1"	api-version of tikv server, "V1" or "V2"

FoundationDB

field	default value	description
fdb.cluster	""	The cluster file used for FoundationDB, if not set, will use the default
fdb.dbname	"DB"	The cluster database name
fdb.apiversion	510	API version, now only 5.1 is supported

PostgreSQL & CockroachDB & AlloyDB & Yugabyte

field	default value	description
pg.host	"127.0.0.1"	PostgreSQL Host
pg.port	5432	PostgreSQL Port
pg.user	"root"	PostgreSQL User
pg.password		PostgreSQL Password
pg.db	"test"	PostgreSQL Database
pg.sslmode	"disable	PostgreSQL ssl mode

Aerospike

field	default value	description
aerospike.host	"localhost"	The port of the Aerospike service
aerospike.port	3000	The port of the Aerospike service
aerospike.ns	"test"	The namespace to use

Badger

field	default value	description
badger.dir	"/tmp/badger"	The directory to save data
badger.valuedir	"/tmp/badger"	The directory to save value, if not set, use badger.dir
badger.sync_writes	false	Sync all writes to disk
badger.num_versions_to_keep	1	How many versions to keep per key
badger.max_table_size	64MB	Each table (or file) is at most this size
badger.level_size_multiplier	10	Equals SizeOf(Li+1)/SizeOf(Li)
badger.max_levels	7	Maximum number of levels of compaction
badger.value_threshold	32	If value size >= this threshold, only store value offsets in tree
badger.num_memtables	5	Maximum number of tables to keep in memory, before stalling
badger.num_level0_tables	5	Maximum number of Level 0 tables before we start compacting
badger.num_level0_tables_stall	10	If we hit this number of Level 0 tables, we will stall until L0 is compacted away
badger.level_one_size	256MB	Maximum total size for L1
badger.value_log_file_size	1GB	Size of single value log file
badger.value_log_max_entries	1000000	Max number of entries a value log file can hold (approximately). A value log file would be determined by the smaller of its file size and max entries
badger.num_compactors	3	Number of compaction workers to run concurrently
badger.do_not_compact	false	Stops LSM tree from compactions
badger.table_loading_mode	options.LoadToRAM	How should LSM tree be accessed
badger.value_log_loading_mode	options.MemoryMap	How should value log be accessed

RocksDB

field	default value	description
rocksdb.dir	"/tmp/rocksdb"	The directory to save data
rocksdb.allow_concurrent_memtable_writes	true	Sets whether to allow concurrent memtable writes
rocksdb.allow_mmap_reads	false	Enable/Disable mmap reads for reading sst tables
rocksdb.allow_mmap_writes	false	Enable/Disable mmap writes for writing sst tables
rocksdb.arena_block_size	0(write_buffer_size / 8)	Sets the size of one block in arena memory allocation
rocksdb.db_write_buffer_size	0(disable)	Sets the amount of data to build up in memtables across all column families before writing to disk
rocksdb.hard_pending_compaction_bytes_limit	256GB	Sets the bytes threshold at which all writes are stopped if estimated bytes needed to be compaction exceed this threshold
rocksdb.level0_file_num_compaction_trigger	4	Sets the number of files to trigger level-0 compaction
rocksdb.level0_slowdown_writes_trigger	20	Sets the soft limit on number of level-0 files
rocksdb.level0_stop_writes_trigger	36	Sets the maximum number of level-0 files. We stop writes at this point
rocksdb.max_bytes_for_level_base	256MB	Sets the maximum total data size for base level
rocksdb.max_bytes_for_level_multiplier	10	Sets the max Bytes for level multiplier
rocksdb.max_total_wal_size	0([sum of all write_buffer_size * max_write_buffer_number] * 4)	Sets the maximum total wal size in bytes. Once write-ahead logs exceed this size, we will start forcing the flush of column families whose memtables are backed by the oldest live WAL file (i.e. the ones that are causing all the space amplification)
rocksdb.memtable_huge_page_size	0	Sets the page size for huge page for arena used by the memtable
rocksdb.num_levels	7	Sets the number of levels for this database
rocksdb.use_direct_reads	false	Enable/Disable direct I/O mode (O_DIRECT) for reads
rocksdb.use_fsync	false	Enable/Disable fsync
rocksdb.write_buffer_size	64MB	Sets the amount of data to build up in memory (backed by an unsorted log on disk) before converting to a sorted on-disk file
rocksdb.max_write_buffer_number	2	Sets the maximum number of write buffers that are built up in memory
rocksdb.max_background_jobs	2	Sets maximum number of concurrent background jobs (compactions and flushes)
rocksdb.block_size	4KB	Sets the approximate size of user data packed per block. Note that the block size specified here corresponds opts uncompressed data. The actual size of the unit read from disk may be smaller if compression is enabled
rocksdb.block_size_deviation	10	Sets the block size deviation. This is used opts close a block before it reaches the configured 'block_size'. If the percentage of free space in the current block is less than this specified number and adding a new record opts the block will exceed the configured block size, then this block will be closed and the new record will be written opts the next block
rocksdb.cache_index_and_filter_blocks	false	Indicating if we'd put index/filter blocks to the block cache. If not specified, each "table reader" object will pre-load index/filter block during table initialization
rocksdb.no_block_cache	false	Specify whether block cache should be used or not
rocksdb.pin_l0_filter_and_index_blocks_in_cache	false	Sets cache_index_and_filter_blocks. If is true and the below is true (hash_index_allow_collision), then filter and index blocks are stored in the cache, but a reference is held in the "table reader" object so the blocks are pinned and only evicted from cache when the table reader is freed
rocksdb.whole_key_filtering	true	Specify if whole keys in the filter (not just prefixes) should be placed. This must generally be true for gets opts be efficient
rocksdb.block_restart_interval	16	Sets the number of keys between restart points for delta encoding of keys. This parameter can be changed dynamically
rocksdb.filter_policy	nil	Sets the filter policy opts reduce disk reads. Many applications will benefit from passing the result of NewBloomFilterPolicy() here
rocksdb.index_type	kBinarySearch	Sets the index type used for this table. kBinarySearch: A space efficient index block that is optimized for binary-search-based index. kHashSearch: The hash index, if enabled, will do the hash lookup when `Options.prefix_extractor` is provided. kTwoLevelIndexSearch: A two-level index implementation. Both levels are binary search indexes
rocksdb.block_align	false	Enable/Disable align data blocks on lesser of page size and block size

Spanner

field	default value	description
spanner.db	""	Spanner Database
spanner.credentials	"~/.spanner/credentials.json"	Google application credentials for Spanner

Sqlite

field	default value	description
sqlite.db	"/tmp/sqlite.db"	Database path
sqlite.mode	"rwc"	Open Mode: ro, rc, rwc, memory
sqlite.journalmode	"DELETE"	Journal mode: DELETE, TRUNCSTE, PERSIST, MEMORY, WAL, OFF
sqlite.cache	"Shared"	Cache: shared, private

Cassandra

field	default value	description
cassandra.cluster	"127.0.0.1:9042"	Cassandra cluster
cassandra.keyspace	"test"	Keyspace
cassandra.connections	2	Number of connections per host
cassandra.username	cassandra	Username
cassandra.password	cassandra	Password

MongoDB

field	default value	description
mongodb.url	"mongodb://127.0.0.1:27017"	MongoDB URI
mongodb.tls_skip_verify	false	Enable/disable server ca certificate verification
mongodb.tls_ca_file	""	Path to mongodb server ca certificate file
mongodb.namespace	"ycsb.ycsb"	Namespace to use
mongodb.authdb	"admin"	Authentication database
mongodb.username	N/A	Username for authentication
mongodb.password	N/A	Password for authentication

Redis

field	default value	description
redis.datatype	hash	"hash", "string" or "json" ("json" requires RedisJSON available)
redis.mode	single	"single" or "cluster"
redis.network	tcp	"tcp" or "unix"
redis.addr		Redis server address(es) in "host:port" form, can be semi-colon `;` separated in cluster mode
redis.username		Redis server username
redis.password		Redis server password
redis.db	0	Redis server target db
redis.max_redirects	0	The maximum number of retries before giving up (only for cluster mode)
redis.read_only	false	Enables read-only commands on slave nodes (only for cluster mode)
redis.route_by_latency	false	Allows routing read-only commands to the closest master or slave node (only for cluster mode)
redis.route_randomly	false	Allows routing read-only commands to the random master or slave node (only for cluster mode)
redis.max_retries		Max retries before giving up connection
redis.min_retry_backoff	8ms	Minimum backoff between each retry
redis.max_retry_backoff	512ms	Maximum backoff between each retry
redis.dial_timeout	5s	Dial timeout for establishing new connection
redis.read_timeout	3s	Timeout for socket reads
redis.write_timeout	3s	Timeout for socket writes
redis.pool_size	10	Maximum number of socket connections
redis.min_idle_conns	0	Minimum number of idle connections
redis.max_idle_conns	0	Maximum number of idle connections. If <= 0, connections are not closed due to a connection's idle time.
redis.max_conn_age	0	Connection age at which client closes the connection
redis.pool_timeout	4s	Amount of time client waits for connections are busy before returning an error
redis.idle_timeout	5m	Amount of time after which client closes idle connections. Should be less than server timeout
redis.idle_check_frequency	1m	Frequency of idle checks made by idle connections reaper. Deprecated in favour of redis.max_idle_conns
redis.tls_ca		Path to CA file
redis.tls_cert		Path to cert file
redis.tls_key		Path to key file
redis.tls_insecure_skip_verify	false	Controls whether a client verifies the server's certificate chain and host name

BoltDB

field	default value	description
bolt.path	"/tmp/boltdb"	The database file path. If the file does not exists then it will be created automatically
bolt.timeout	0	The amount of time to wait to obtain a file lock. When set to zero it will wait indefinitely. This option is only available on Darwin and Linux
bolt.no_grow_sync	false	Sets DB.NoGrowSync flag before memory mapping the file
bolt.read_only	false	Open the database in read-only mode
bolt.mmap_flags	0	Set the DB.MmapFlags flag before memory mapping the file
bolt.initial_mmap_size	0	The initial mmap size of the database in bytes. If <= 0, the initial map size is 0. If the size is smaller than the previous database, it takes no effect

etcd

field	default value	description
etcd.endpoints	"localhost:2379"	The etcd endpoint(s), multiple endpoints can be passed separated by comma.
etcd.dial_timeout	"2s"	The dial timeout duration passed into the client config.
etcd.cert_file	""	When using secure etcd, this should point to the crt file.
etcd.key_file	""	When using secure etcd, this should point to the pem file.
etcd.cacert_file	""	When using secure etcd, this should point to the ca file.
etcd.serializable_reads	false	Whether to use serializable reads.

DynamoDB

field	default value	description
dynamodb.tablename	"ycsb"	The database tablename
dynamodb.primarykey	"_key"	The table primary key fieldname
dynamodb.rc.units	10	Read request units throughput
dynamodb.wc.units	10	Write request units throughput
dynamodb.ensure.clean.table	true	On load mode ensure that the table is clean at the begining. In case of true and if the table previously exists it will be deleted and recreated
dynamodb.endpoint	""	Used endpoint for connection. If empty will use the default loaded configs
dynamodb.region	""	Used region for connection ( should match endpoint ). If empty will use the default loaded configs
dynamodb.consistent.reads	false	Reads on DynamoDB provide an eventually consistent read by default. If your benchmark/use-case requires a strongly consistent read, set this option to true
dynamodb.delete.after.run.stage	false	Detele the database table after the run stage

TODO

Support more measurement, like HdrHistogram
Add tests for generators

License

dborchard/go-ycsb

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