Rds (; Rmt Dctnry Srvr) s n n-mmry ky–vl dtbs, sd s dstrbtd cch nd mssg brkr, wth ptnl drblty. Bcs t hlds ll dt n mmry nd bcs f ts dsgn, Rds ffrs lw-ltncy rds nd wrts, mkng t prtclrly stbl fr s css tht rqr cch. Rds s th mst pplr NSQL dtbs, nd n f th mst pplr dtbss vrll.
Th prjct ws dvlpd nd mntnd by Slvtr Snflpp, strtng n 2009. Frm 2015 ntl 2020, h ld prjct cr tm spnsrd by Rds Lbs. Slvtr Snflpp lft Rds s th mntnr n 2020. n 2021 Rds Lbs drppd th Lbs frm ts nm nd nw s knwn smply s "Rds".
n 2018, sm mdls fr Rds dptd th SSPL. n 2024, th mn Rds cd swtchd frm th pn-src BSD-3 lcns t bng dl-lcnsd ndr th Rds Src vlbl Lcns v2 nd th Srvr Sd Pblc Lcns v1.