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177 lines
No EOL
3.4 KiB
Markdown
177 lines
No EOL
3.4 KiB
Markdown
# Dragonfly
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[](https://github.com/romange/dragonfly/actions/workflows/ci.yml)
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A toy memory store that supports basic commands like `SET` and `GET` for both memcached and redis protocols. In addition, it supports redis `PING` command.
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Demo features include:
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1. High throughput reaching millions of QPS on a single node.
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2. TLS support.
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3. Pipelining mode.
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## Building from source
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I've tested the build on Ubuntu 21.04+.
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```
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git clone --recursive https://github.com/romange/dragonfly
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cd dragonfly && ./helio/blaze.sh -release
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cd build-opt && ninja dragonfly
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```
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## Running
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```
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./dragonfly --logtostderr
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```
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for more options, run `./dragonfly --help`
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## Milestone Egg 🥚
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API 1.0
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- [X] String family
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- [X] SET
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- [ ] SETNX
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- [X] GET
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- [X] DECR
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- [X] INCR
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- [X] DECRBY
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- [X] GETSET
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- [X] INCRBY
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- [X] MGET
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- [X] MSET
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- [ ] MSETNX
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- [ ] SUBSTR
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- [ ] Generic family
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- [X] DEL
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- [X] ECHO
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- [X] EXISTS
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- [X] EXPIRE
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- [X] EXPIREAT
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- [X] PING
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- [X] RENAME
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- [X] RENAMENX
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- [X] SELECT
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- [X] TTL
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- [X] TYPE
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- [ ] SORT
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- [X] Server Family
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- [X] QUIT
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- [X] DBSIZE
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- [ ] BGSAVE
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- [X] SAVE
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- [X] DBSIZE
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- [X] DEBUG
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- [X] EXEC
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- [X] FLUSHALL
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- [X] FLUSHDB
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- [X] INFO
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- [X] MULTI
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- [X] SHUTDOWN
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- [X] LASTSAVE
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- [X] SLAVEOF/REPLICAOF
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- [ ] SYNC
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- [ ] Set Family
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- [ ] SADD
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- [ ] SCARD
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- [ ] SDIFF
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- [ ] SDIFFSTORE
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- [ ] SINTER
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- [ ] SINTERSTORE
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- [ ] SISMEMBER
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- [ ] SMOVE
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- [ ] SPOP
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- [ ] SRANDMEMBER
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- [ ] SREM
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- [ ] SMEMBERS
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- [ ] SUNION
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- [ ] SUNIONSTORE
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- [X] List Family
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- [X] LINDEX
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- [X] LLEN
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- [X] LPOP
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- [X] LPUSH
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- [ ] LRANGE
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- [ ] LREM
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- [ ] LSET
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- [ ] LTRIM
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- [X] RPOP
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- [ ] RPOPLPUSH
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- [X] RPUSH
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- [ ] SortedSet Family
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- [ ] ZADD
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- [ ] ZCARD
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- [ ] ZINCRBY
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- [ ] ZRANGE
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- [ ] ZRANGEBYSCORE
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- [ ] ZREM
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- [ ] ZREMRANGEBYSCORE
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- [ ] ZREVRANGE
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- [ ] ZSCORE
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- [ ] Not sure whether these are required for the initial release.
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- [X] AUTH
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- [ ] BGREWRITEAOF
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- [ ] KEYS
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- [ ] MONITOR
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- [ ] RANDOMKEY
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- [ ] MOVE
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In addition, we want to support efficient expiry (TTL) and cache eviction algorithms.
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We should implement basic memory management support. For Master/Slave replication we should design
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a distributed log format.
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### Memchache API
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- [X] set
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- [X] get
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- [X] replace
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- [X] add
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- [X] stats (partial)
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- [x] append
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- [x] prepend
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- [ ] delete
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- [ ] flush_all
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- [x] incr
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- [x] decr
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- [ ] version
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- [x] quit
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API 2.0
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- [ ] List Family
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- [X] BLPOP
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- [ ] BRPOP
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- [ ] BRPOPLPUSH
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- [ ] PubSub family
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- [ ] PUBLISH
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- [ ] PUBSUB
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- [ ] PUBSUB CHANNELS
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- [ ] SUBSCRIBE
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- [ ] UNSUBSCRIBE
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- [ ] Server Family
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- [ ] WATCH
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- [ ] UNWATCH
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- [ ] DISCARD
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- [X] Generic Family
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- [X] SCAN
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- [X] String Family
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- [X] APPEND
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- [X] PREPEND (dragonfly specific)
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Commands that I prefer not implement before launch:
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- [ ] PUNSUBSCRIBE
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- [ ] PSUBSCRIBE
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Also, I would omit keyspace notifications. For that I would like to deep dive and learn
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exact use-cases for this API.
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## Milestone Nymph
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API 2,3,4 without cluster support, without modules, without memory inspection commands.
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Without support for keyspace notifications.
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Design config support. ~140 commands overall...
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## Milestone Molt
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API 5,6 - without cluster and modules. Streams support. ~80 commands overall.
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## Milestone Adult
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TBD. |