Mars roadmaps and enhancement proposals

[qinxuye]

All proposals and roadmaps of Mars are listed here. Suggestions and discussions are sincerely welcomed.

Roadmaps

DataFrame (Phase 1: #495, done)
Distributed engine (#493)

Enhancement Proposals

Project Galois (Towards Mars 1.0)

Proposal	Status	Target milestone	Related PR
Project Galois (Towards Mars 1.0) (#1928)	Done	0.7.0
Oscar: Mars actors 2.0 (#1935)	Done	0.7.0	#1925, #1916
Mars storage lib (#1905)	Done	0.7.0	#1904
New fusion strategy based on coloring algorithm (#2435)	Done	0.9.0b1	#2719
Universal optimizer and smart fusion (#593)	WIP		#598
A speculative execution based task scheduler (#2575)	Done	0.9.0rc1	#2576
DataFrame-oriented JIT Compiler (#2754)	WIP
Support more bands allocation strategies (#2787)	WIP

Accomplished and staled proposals

Proposal	Status	Related PR
Standardize scheduler and worker APIs (#882)	Staled
Mutable tensor (#415)	Done	#464, #536
New mars.actors with multiple pluggable components (#584)	Staled
Remote API (#1227)	Done	#1238, #1248, #1296
Integrate with Ray (#1469)	Done	#1508, #1541
fetch_log API (#1564)	Done	#1574

[Cruster22]

Good