bashANYredistransactionmulti
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MULTIRedis Transactions, Pub/Sub, and Streams Cheat Sheet
Atomic transactions, optimistic locking, pub/sub messaging, streams, consumer groups, geo commands, bitmaps, and HyperLogLog.
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Transactions and optimistic locking
Atomic batches and CAS-style updates.
bashANYredistransactionexec
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EXECbashANYredistransactiondiscard
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DISCARDbashANYredistransactionwatch
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WATCH account:1 account:2bashANYredistransactionwatch
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UNWATCHbashANYredistransactionworkflow
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WATCH account:1
GET account:1
MULTI
DECRBY account:1 50
INCRBY account:2 50
EXECIn practice, the client should validate account state after GET and before MULTI/EXEC.
Pub/Sub
Publish messages and subscribe to channels or patterns.
bashANYredispubsubpublish
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PUBLISH events:user '{"userId":1,"action":"login"}'bashANYredispubsubsubscribe
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SUBSCRIBE events:user events:systembashANYredispubsubpattern
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PSUBSCRIBE events:*bashANYredispubsubunsubscribe
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UNSUBSCRIBE events:userbashANYredispubsubunsubscribe
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PUNSUBSCRIBE events:*bashANYredispubsubinspect
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PUBSUB CHANNELSbashANYredispubsubinspect
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PUBSUB NUMSUB events:user events:systembashANYredispubsubinspect
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PUBSUB NUMPATStreams
Append-only logs, consumer groups, and event processing.
bashANYredisstreamxadd
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XADD orders * user_id 1 total 19.99 status paidbashANYredisstreamlength
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XLEN ordersbashANYredisstreamread
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XRANGE orders - + COUNT 10bashANYredisstreamread
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XREVRANGE orders + - COUNT 10bashANYredisstreamread
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XREAD COUNT 10 BLOCK 5000 STREAMS orders payments $ $bashANYredisstreamtrim
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XTRIM orders MAXLEN ~ 10000bashANYredisstreamconsumer-group
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XGROUP CREATE orders order-workers $ MKSTREAMbashANYredisstreamconsumer-group
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XREADGROUP GROUP order-workers worker-1 COUNT 10 BLOCK 5000 STREAMS orders >bashANYredisstreamconsumer-group
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XACK orders order-workers 1710000000000-0bashANYredisstreamconsumer-group
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XPENDING orders order-workersbashANYredisstreamconsumer-group
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XCLAIM orders order-workers worker-2 60000 1710000000000-0bashANYredisstreamconsumer-group
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XAUTOCLAIM orders order-workers worker-2 60000 0-0 COUNT 100bashANYredisstreaminspect
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XINFO STREAM ordersbashANYredisstreaminspect
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XINFO GROUPS ordersbashANYredisstreamdelete
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XDEL orders 1710000000000-0Geo, bitmaps, and HyperLogLog
Approximate counts, geospatial indexing, and bit operations.
bashANYredisgeolocation
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GEOADD cities -122.4194 37.7749 sf -74.0060 40.7128 nycbashANYredisgeolocation
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GEOPOS cities sf nycbashANYredisgeodistance
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GEODIST cities sf nyc kmbashANYredisgeosearch
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GEORADIUS cities -122.4194 37.7749 500 km WITHDISTbashANYredisgeosearch
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GEOSEARCH cities FROMLONLAT -122.4194 37.7749 BYRADIUS 500 km WITHDISTbashANYredishyperloglogcount
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PFADD unique:visitors user:1 user:2 user:3bashANYredishyperloglogcount
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PFCOUNT unique:visitorsbashANYredishyperloglogmerge
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PFMERGE unique:all unique:web unique:mobilebashANYredisbitopbitmap
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BITOP AND flags:all flags:a flags:bbashANYredisbitmapbitpos
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BITPOS feature:flags 1More in Redis
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